https://bugzilla.kernel.org/show_bug.cgi?id=199183 Bug ID: 199183 Summary: Invalid pointer dereference in ext4_xattr_inode_hash when mounting and later operating on a crafted image Product: File System Version: 2.5 Kernel Version: 4.15.x Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: wen.xu@xxxxxxxxxx Regression: No Created attachment 274883 --> https://bugzilla.kernel.org/attachment.cgi?id=274883&action=edit The crafted image which causes kernel panic - Overview Invalid pointer dereference in ext4_xattr_inode_hash, when mounting and later operating on a crafted ext4 image - Reproduce (requires root) # mkdir mnt # mount -t ext4 35.img mnt # gcc -o poc poc.c # ./poc ./mnt - Reason https://elixir.bootlin.com/linux/v4.15/source/fs/ext4/xattr.c#L1493 hash = ext4_xattr_inode_hash(EXT4_SB(inode->i_sb), value, value_len); kernel seems missing sanitary check on EXT4_SB(inode->i_sb), which may be NULL - Kernel dump (generated on Ubuntu 18.04 which uses Linux 4.15) [ 326.708075] EXT4-fs warning (device loop0): ext4_fill_super:3906: fragment/cluster size (268435456) != block size (1024) [ 326.708135] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 326.709379] EXT4-fs (loop0): warning: mounting unchecked fs, running e2fsck is recommended [ 326.709582] [EXT4 FS bs=1024, gc=9, bpg=255, ipg=256, mo=e000e01c, mo2=0000] [ 326.709592] System zones: 0-31, 11-43, 255-256, 510-511, 765-766, 1020-1021, 1275-1276, 1530-1531, 1785-1786, 2040-2041 [ 326.711742] EXT4-fs (loop0): mounted filesystem without journal. Opts: (null) [ 349.637318] EXT4-fs error (device loop0): ext4_readdir:183: inode #2: comm ls: path /home/wen/data/ext4-kernel/20180311/ext4_xattr_inode_hash/mnt: directory contains a hole at offset 1024 [ 349.637575] EXT4-fs error (device loop0): ext4_readdir:183: inode #2: comm ls: path /home/wen/data/ext4-kernel/20180311/ext4_xattr_inode_hash/mnt: directory contains a hole at offset 2048 [ 365.048877] EXT4-fs error (device loop0): ext4_readdir:183: inode #2: comm poc: path /home/wen/data/ext4-kernel/20180311/ext4_xattr_inode_hash/mnt: directory contains a hole at offset 1024 [ 365.064510] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 6, block bitmap and bg descriptor inconsistent: 255 vs 65535 free clusters [ 365.064597] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 7, block bitmap and bg descriptor inconsistent: 255 vs 0 free clusters [ 365.064695] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 4, block bitmap and bg descriptor inconsistent: 255 vs 246 free clusters [ 365.064754] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 5, block bitmap and bg descriptor inconsistent: 255 vs 0 free clusters [ 365.064841] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_block_bitmap_csum_set+0xa1/0xb0 [ 365.064842] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.065016] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.065034] CPU: 0 PID: 1410 Comm: poc Not tainted 4.15.0-12-generic #13-Ubuntu [ 365.065035] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.065038] RIP: 0010:ext4_block_bitmap_csum_set+0xa1/0xb0 [ 365.065038] RSP: 0018:ffffb90740caf6d0 EFLAGS: 00010246 [ 365.065039] RAX: 0000000000000000 RBX: ffff8b4bb91a7800 RCX: ffff8b4bb8dc5340 [ 365.065040] RDX: ffff8b4bb80e2800 RSI: 0000000000000000 RDI: ffff8b4bb91a6000 [ 365.065040] RBP: ffffb90740caf700 R08: ffff8b4bb91a7800 R09: 0000000000000000 [ 365.065042] R10: ffff8b4bb80e2420 R11: ffffb90740caf5e0 R12: ffff8b4bb80e2800 [ 365.065043] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8b4bb8dc5340 [ 365.065044] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.065045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.065045] CR2: 00007f8281371d50 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.065081] Call Trace: [ 365.065087] ? ext4_num_base_meta_clusters+0x6e/0x90 [ 365.065092] ext4_read_block_bitmap_nowait+0x4a2/0x5e0 [ 365.065095] ext4_mb_init_cache+0x14c/0x720 [ 365.065101] ? pagecache_get_page+0xdf/0x2a0 [ 365.065102] ext4_mb_init_group+0x1c4/0x2c0 [ 365.065104] ext4_mb_good_group+0x153/0x170 [ 365.065105] ext4_mb_regular_allocator+0x1a8/0x430 [ 365.065107] ext4_mb_new_blocks+0x6c5/0xc30 [ 365.065113] ? _cond_resched+0x19/0x40 [ 365.065116] ? __kmalloc+0x19b/0x220 [ 365.065117] ? ext4_find_extent+0x243/0x2b0 [ 365.065118] ? ext4_find_extent+0x243/0x2b0 [ 365.065120] ext4_ext_map_blocks+0xad5/0xec0 [ 365.065121] ext4_map_blocks+0x3b2/0x5d0 [ 365.065134] ? alloc_buffer_head+0x21/0x60 [ 365.065135] _ext4_get_block+0x75/0x100 [ 365.065136] ext4_get_block+0x16/0x20 [ 365.065137] ext4_block_write_begin+0x135/0x460 [ 365.065138] ? add_to_page_cache_lru+0x79/0xe0 [ 365.065139] ? _ext4_get_block+0x100/0x100 [ 365.065141] ? __ext4_journal_start_sb+0x36/0x120 [ 365.065142] ext4_write_begin+0x16e/0x5b0 [ 365.065145] generic_perform_write+0xb3/0x1b0 [ 365.065147] __generic_file_write_iter+0x1aa/0x1d0 [ 365.065149] ext4_file_write_iter+0x203/0x3f0 [ 365.065153] new_sync_write+0xe7/0x140 [ 365.065155] __vfs_write+0x29/0x40 [ 365.065156] vfs_write+0xb1/0x1a0 [ 365.065158] SyS_write+0x55/0xc0 [ 365.065163] do_syscall_64+0x73/0x130 [ 365.065166] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.065170] RIP: 0033:0x7f301e596154 [ 365.065170] RSP: 002b:00007ffd93f01868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.065171] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e596154 [ 365.065172] RDX: 0000000000000205 RSI: 0000000000602140 RDI: 0000000000000003 [ 365.065172] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.065173] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.065174] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.065174] Code: 89 44 24 18 48 83 3b 39 76 09 c1 e8 10 66 41 89 44 24 38 48 8b 45 e8 65 48 33 04 25 28 00 00 00 75 11 48 83 c4 20 5b 41 5c 5d c3 <0f> 0b eb e4 0f 0b 0f 0b e8 22 20 d8 ff 90 90 0f 1f 44 00 00 55 [ 365.065193] ---[ end trace 1ecf08f3cdf242f0 ]--- [ 365.065212] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_group_desc_csum+0x16e/0x210 [ 365.065213] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.065236] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.065242] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.065242] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.065245] RIP: 0010:ext4_group_desc_csum+0x16e/0x210 [ 365.065246] RSP: 0018:ffffb90740caf6a8 EFLAGS: 00010246 [ 365.065246] RAX: ffff8b4bb91a7800 RBX: ffff8b4bb91a7800 RCX: ffff8b4bb91a7800 [ 365.065247] RDX: ffff8b4bb80e2400 RSI: 0000000000000000 RDI: ffff8b4bb91a6000 [ 365.065248] RBP: ffffb90740caf6e8 R08: ffff8b4bb91a7800 R09: 0000000000000000 [ 365.065248] R10: ffff8b4bb80e2420 R11: ffffb90740caf5e0 R12: ffff8b4bb80e2800 [ 365.065249] R13: ffff8b4bb91a6000 R14: 0000000000000000 R15: ffff8b4bb8dc5340 [ 365.065250] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.065250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.065251] CR2: 00007f8281371d50 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.065273] Call Trace: [ 365.065275] ext4_group_desc_csum_set+0x33/0x40 [ 365.065277] ext4_read_block_bitmap_nowait+0x4b0/0x5e0 [ 365.065278] ext4_mb_init_cache+0x14c/0x720 [ 365.065280] ? pagecache_get_page+0xdf/0x2a0 [ 365.065281] ext4_mb_init_group+0x1c4/0x2c0 [ 365.065282] ext4_mb_good_group+0x153/0x170 [ 365.065284] ext4_mb_regular_allocator+0x1a8/0x430 [ 365.065285] ext4_mb_new_blocks+0x6c5/0xc30 [ 365.065287] ? _cond_resched+0x19/0x40 [ 365.065288] ? __kmalloc+0x19b/0x220 [ 365.065289] ? ext4_find_extent+0x243/0x2b0 [ 365.065290] ? ext4_find_extent+0x243/0x2b0 [ 365.065291] ext4_ext_map_blocks+0xad5/0xec0 [ 365.065293] ext4_map_blocks+0x3b2/0x5d0 [ 365.065294] ? alloc_buffer_head+0x21/0x60 [ 365.065295] _ext4_get_block+0x75/0x100 [ 365.065296] ext4_get_block+0x16/0x20 [ 365.065297] ext4_block_write_begin+0x135/0x460 [ 365.065299] ? add_to_page_cache_lru+0x79/0xe0 [ 365.065299] ? _ext4_get_block+0x100/0x100 [ 365.065301] ? __ext4_journal_start_sb+0x36/0x120 [ 365.065302] ext4_write_begin+0x16e/0x5b0 [ 365.065303] generic_perform_write+0xb3/0x1b0 [ 365.065305] __generic_file_write_iter+0x1aa/0x1d0 [ 365.065307] ext4_file_write_iter+0x203/0x3f0 [ 365.065308] new_sync_write+0xe7/0x140 [ 365.065310] __vfs_write+0x29/0x40 [ 365.065311] vfs_write+0xb1/0x1a0 [ 365.065313] SyS_write+0x55/0xc0 [ 365.065314] do_syscall_64+0x73/0x130 [ 365.065316] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.065317] RIP: 0033:0x7f301e596154 [ 365.065318] RSP: 002b:00007ffd93f01868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.065318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e596154 [ 365.065319] RDX: 0000000000000205 RSI: 0000000000602140 RDI: 0000000000000003 [ 365.065320] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.065320] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.065321] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.065321] Code: 89 c2 8b 45 d8 85 d2 0f 85 a0 00 00 00 48 8b 4d e0 65 48 33 0c 25 28 00 00 00 0f 85 9b 00 00 00 48 83 c4 28 5b 41 5c 41 5d 5d c3 <0f> 0b 48 8b 73 68 31 c0 f6 46 64 10 74 d4 48 83 c6 68 ba 10 00 [ 365.065339] ---[ end trace 1ecf08f3cdf242f1 ]--- [ 365.065519] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_block_bitmap_csum_verify+0xae/0xd0 [ 365.065519] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.065542] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.065549] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.065549] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.065550] RIP: 0010:ext4_block_bitmap_csum_verify+0xae/0xd0 [ 365.065551] RSP: 0018:ffffb90740caf668 EFLAGS: 00010246 [ 365.065552] RAX: 0000000000000000 RBX: ffff8b4bb91a7800 RCX: ffff8b4bb8dc5340 [ 365.065552] RDX: ffff8b4bb80e2800 RSI: 0000000000000000 RDI: ffff8b4bb91a6000 [ 365.065553] RBP: ffffb90740caf6a0 R08: ffff8b4bb68e0c58 R09: 0000000000000000 [ 365.065553] R10: ffff8b4bb80e2420 R11: ffffb90740caf5e0 R12: 0000000000000000 [ 365.065554] R13: ffff8b4bb8dc5340 R14: 0000000000000000 R15: ffff8b4bb91a7800 [ 365.065555] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.065555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.065556] CR2: 00007f8281371d50 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.065594] Call Trace: [ 365.065597] ? ext4_group_desc_csum+0x170/0x210 [ 365.065598] ext4_validate_block_bitmap+0xee/0x350 [ 365.065599] ext4_read_block_bitmap_nowait+0xa5/0x5e0 [ 365.065601] ext4_mb_init_cache+0x14c/0x720 [ 365.065602] ? pagecache_get_page+0xdf/0x2a0 [ 365.065603] ext4_mb_init_group+0x1c4/0x2c0 [ 365.065605] ext4_mb_good_group+0x153/0x170 [ 365.065606] ext4_mb_regular_allocator+0x1a8/0x430 [ 365.065608] ext4_mb_new_blocks+0x6c5/0xc30 [ 365.065609] ? _cond_resched+0x19/0x40 [ 365.065610] ? __kmalloc+0x19b/0x220 [ 365.065611] ? ext4_find_extent+0x243/0x2b0 [ 365.065612] ? ext4_find_extent+0x243/0x2b0 [ 365.065614] ext4_ext_map_blocks+0xad5/0xec0 [ 365.065615] ext4_map_blocks+0x3b2/0x5d0 [ 365.065617] ? alloc_buffer_head+0x21/0x60 [ 365.065618] _ext4_get_block+0x75/0x100 [ 365.065619] ext4_get_block+0x16/0x20 [ 365.065620] ext4_block_write_begin+0x135/0x460 [ 365.065621] ? add_to_page_cache_lru+0x79/0xe0 [ 365.065622] ? _ext4_get_block+0x100/0x100 [ 365.065623] ? __ext4_journal_start_sb+0x36/0x120 [ 365.065624] ext4_write_begin+0x16e/0x5b0 [ 365.065626] generic_perform_write+0xb3/0x1b0 [ 365.065627] __generic_file_write_iter+0x1aa/0x1d0 [ 365.065629] ext4_file_write_iter+0x203/0x3f0 [ 365.065630] new_sync_write+0xe7/0x140 [ 365.065632] __vfs_write+0x29/0x40 [ 365.065633] vfs_write+0xb1/0x1a0 [ 365.065635] SyS_write+0x55/0xc0 [ 365.065636] do_syscall_64+0x73/0x130 [ 365.065638] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.065639] RIP: 0033:0x7f301e596154 [ 365.065639] RSP: 002b:00007ffd93f01868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.065640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e596154 [ 365.065641] RDX: 0000000000000205 RSI: 0000000000602140 RDI: 0000000000000003 [ 365.065641] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.065642] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.065642] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.065643] Code: c0 41 39 c5 0f 94 c0 0f b6 c0 eb 05 b8 01 00 00 00 48 8b 75 e0 65 48 33 34 25 28 00 00 00 75 26 48 83 c4 20 5b 41 5c 41 5d 5d c3 <0f> 0b b8 01 00 00 00 eb dd 41 0f b7 54 24 38 c1 e2 10 41 09 d5 [ 365.065663] ---[ end trace 1ecf08f3cdf242f2 ]--- [ 365.066256] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 0, block bitmap and bg descriptor inconsistent: 220 vs 213 free clusters [ 365.066326] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_superblock_csum_set+0x85/0xa0 [ 365.066326] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.066351] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.066357] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.066358] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.066359] RIP: 0010:ext4_superblock_csum_set+0x85/0xa0 [ 365.066360] RSP: 0018:ffffb90740caf598 EFLAGS: 00010246 [ 365.066361] RAX: 0000000000000000 RBX: ffff8b4bb80e2400 RCX: 0000000000000000 [ 365.066361] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff8b4bb91a6000 [ 365.066362] RBP: ffffb90740caf5c0 R08: fffffffffffffffe R09: 0000000000000001 [ 365.066362] R10: ffffb90740caf6d8 R11: 00000000ffffffff R12: ffff8b4bb91a6000 [ 365.066363] R13: ffffffffa785e220 R14: ffff8b4bb80e2400 R15: 0000000000000043 [ 365.066364] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.066365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.066365] CR2: 00007f3030025098 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.066369] Call Trace: [ 365.066375] ? __percpu_counter_sum+0x5d/0x70 [ 365.066377] ext4_commit_super+0x187/0x2b0 [ 365.066378] __ext4_grp_locked_error+0x16e/0x260 [ 365.066380] ext4_mb_generate_buddy+0x2c6/0x320 [ 365.066382] ext4_mb_init_cache+0x338/0x720 [ 365.066384] ? pagecache_get_page+0xdf/0x2a0 [ 365.066385] ext4_mb_init_group+0x1c4/0x2c0 [ 365.066387] ext4_mb_good_group+0x153/0x170 [ 365.066388] ext4_mb_regular_allocator+0x1a8/0x430 [ 365.066390] ext4_mb_new_blocks+0x6c5/0xc30 [ 365.066391] ? _cond_resched+0x19/0x40 [ 365.066392] ? __kmalloc+0x19b/0x220 [ 365.066393] ? ext4_find_extent+0x243/0x2b0 [ 365.066394] ? ext4_find_extent+0x243/0x2b0 [ 365.066396] ext4_ext_map_blocks+0xad5/0xec0 [ 365.066397] ext4_map_blocks+0x3b2/0x5d0 [ 365.066399] ? alloc_buffer_head+0x21/0x60 [ 365.066400] _ext4_get_block+0x75/0x100 [ 365.066401] ext4_get_block+0x16/0x20 [ 365.066402] ext4_block_write_begin+0x135/0x460 [ 365.066404] ? add_to_page_cache_lru+0x79/0xe0 [ 365.066404] ? _ext4_get_block+0x100/0x100 [ 365.066406] ? __ext4_journal_start_sb+0x36/0x120 [ 365.066407] ext4_write_begin+0x16e/0x5b0 [ 365.066409] generic_perform_write+0xb3/0x1b0 [ 365.066410] __generic_file_write_iter+0x1aa/0x1d0 [ 365.066412] ext4_file_write_iter+0x203/0x3f0 [ 365.066414] new_sync_write+0xe7/0x140 [ 365.066416] __vfs_write+0x29/0x40 [ 365.066417] vfs_write+0xb1/0x1a0 [ 365.066418] SyS_write+0x55/0xc0 [ 365.066420] do_syscall_64+0x73/0x130 [ 365.066422] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.066423] RIP: 0033:0x7f301e596154 [ 365.066423] RSP: 002b:00007ffd93f01868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 365.066424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e596154 [ 365.066425] RDX: 0000000000000205 RSI: 0000000000602140 RDI: 0000000000000003 [ 365.066425] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.066426] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.066427] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.066427] Code: ff ff ff e8 2e 62 0d 00 85 c0 75 25 8b 45 e8 89 83 fc 03 00 00 48 8b 45 f0 65 48 33 04 25 28 00 00 00 75 0f 48 83 c4 20 5b 5d c3 <0f> 0b eb e6 0f 0b 0f 0b e8 3e 59 d3 ff 0f 1f 40 00 66 2e 0f 1f [ 365.066446] ---[ end trace 1ecf08f3cdf242f3 ]--- [ 365.066450] EXT4-fs error (device loop0): ext4_mb_generate_buddy:756: group 1, block bitmap and bg descriptor inconsistent: 255 vs 0 free clusters [ 365.066919] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_add_entry+0x26a/0x430 [ 365.066919] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.066944] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.066952] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.066953] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.066955] RIP: 0010:ext4_add_entry+0x26a/0x430 [ 365.066956] RSP: 0018:ffffb90740cafc00 EFLAGS: 00010246 [ 365.066958] RAX: ffff8b4bb91a7800 RBX: ffff8b4bb8e2e6e8 RCX: 000000000000000d [ 365.066959] RDX: ffff8b4bb80e2400 RSI: ffff8b4bb8d640c0 RDI: 0000000000000001 [ 365.066959] RBP: ffffb90740cafc98 R08: 0000000000000000 R09: 0000000000000000 [ 365.066960] R10: ffff8b4bb8e28528 R11: 0000000000000001 R12: ffff8b4bb8e29628 [ 365.066961] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 365.066963] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.066964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.066964] CR2: 00007f3030025098 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.066968] Call Trace: [ 365.066970] ? _cond_resched+0x19/0x40 [ 365.066972] ? ext4_journal_check_start+0x12/0x80 [ 365.066973] ? __ext4_journal_start_sb+0x36/0x120 [ 365.066975] ext4_rename+0x6ae/0x860 [ 365.066977] ext4_rename2+0x8d/0xc0 [ 365.066980] vfs_rename+0x46e/0x960 [ 365.066982] SyS_rename+0x362/0x3c0 [ 365.066985] do_syscall_64+0x73/0x130 [ 365.066986] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.066987] RIP: 0033:0x7f301e501d37 [ 365.066988] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 365.066989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e501d37 [ 365.066989] RDX: 0000000000cb82f0 RSI: 0000000000cb82f0 RDI: 0000000000cb82d0 [ 365.066990] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.066991] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.066991] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.066992] Code: 00 00 00 00 48 c7 45 90 00 00 00 00 48 c7 45 98 00 00 00 00 e9 76 ff ff ff 31 d2 e9 83 fe ff ff 89 85 7c ff ff ff e9 6e ff ff ff <0f> 0b c7 85 70 ff ff ff 00 00 00 00 e9 f0 fd ff ff 48 8b 7d 80 [ 365.067019] ---[ end trace 1ecf08f3cdf242f4 ]--- [ 365.067025] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 __ext4_read_dirblock+0x10a/0x260 [ 365.067025] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.067059] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.067065] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.067066] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.067067] RIP: 0010:__ext4_read_dirblock+0x10a/0x260 [ 365.067068] RSP: 0018:ffffb90740cafbc0 EFLAGS: 00010246 [ 365.067069] RAX: ffff8b4bb80e2400 RBX: ffff8b4bb8ddaa90 RCX: ffff8b4bb91a6000 [ 365.067069] RDX: ffff8b4bb91a7800 RSI: ffff8b4ba0d10800 RDI: 0000000000000000 [ 365.067070] RBP: ffffb90740cafbf0 R08: 0000000000000000 R09: 0000000000000000 [ 365.067070] R10: ffff8b4bb8e28528 R11: 0000000000000001 R12: ffff8b4bb8e2e6e8 [ 365.067071] R13: 0000000000000002 R14: 0000000000000000 R15: 000000000000081b [ 365.067072] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.067073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.067073] CR2: 00007f3030025098 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.067076] Call Trace: [ 365.067078] ext4_add_entry+0x18d/0x430 [ 365.067079] ext4_rename+0x6ae/0x860 [ 365.067082] ext4_rename2+0x8d/0xc0 [ 365.067083] vfs_rename+0x46e/0x960 [ 365.067084] SyS_rename+0x362/0x3c0 [ 365.067086] do_syscall_64+0x73/0x130 [ 365.067088] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.067088] RIP: 0033:0x7f301e501d37 [ 365.067089] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 365.067090] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e501d37 [ 365.067090] RDX: 0000000000cb82f0 RSI: 0000000000cb82f0 RDI: 0000000000cb82d0 [ 365.067091] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.067092] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.067092] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.067093] Code: a9 00 00 00 04 75 cf 85 ff 74 05 45 84 c0 75 66 85 ff 75 c2 4c 89 e7 e8 25 fe ff ff 85 c0 0f 84 b6 00 00 00 3e 80 4b 03 04 eb ab <0f> 0b eb a7 41 83 fd 01 bf 01 00 00 00 41 0f 94 c0 eb af 48 8b [ 365.067110] ---[ end trace 1ecf08f3cdf242f5 ]--- [ 365.067157] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 add_dirent_to_buf+0x185/0x1a0 [ 365.067157] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.067178] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.067184] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.067186] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.067187] RIP: 0010:add_dirent_to_buf+0x185/0x1a0 [ 365.067188] RSP: 0018:ffffb90740cafbb0 EFLAGS: 00010246 [ 365.067189] RAX: ffff8b4bb91a7800 RBX: ffff8b4bb8e2e6e8 RCX: ffff8b4bb8e29628 [ 365.067189] RDX: ffff8b4bb80e2400 RSI: 000000000000000c RDI: 0000000000000001 [ 365.067190] RBP: ffffb90740cafbf0 R08: 0000000000000000 R09: ffff8b4bb8ddaa90 [ 365.067190] R10: ffff8b4bb8e28528 R11: 0000000000000001 R12: ffff8b4bb8ddaa90 [ 365.067191] R13: 0000000000000001 R14: ffff8b4bb8e29628 R15: ffffb90740cafc28 [ 365.067191] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.067192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.067192] CR2: 00007f3030025098 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.067195] Call Trace: [ 365.067197] ext4_add_entry+0x126/0x430 [ 365.067198] ext4_rename+0x6ae/0x860 [ 365.067200] ext4_rename2+0x8d/0xc0 [ 365.067201] vfs_rename+0x46e/0x960 [ 365.067203] SyS_rename+0x362/0x3c0 [ 365.067205] do_syscall_64+0x73/0x130 [ 365.067206] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.067207] RIP: 0033:0x7f301e501d37 [ 365.067208] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 365.067208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e501d37 [ 365.067209] RDX: 0000000000cb82f0 RSI: 0000000000cb82f0 RDI: 0000000000cb82d0 [ 365.067209] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.067210] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.067210] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.067211] Code: 45 c8 49 8b 4c 24 28 4c 89 e2 4d 89 f9 48 89 df 50 44 8b 45 c0 41 29 f0 4c 89 f6 e8 66 fc ff ff 85 c0 5a 0f 84 e9 fe ff ff eb c2 <0f> 0b 31 f6 e9 d3 fe ff ff 3e 80 a3 69 ff ff ff ef e9 36 ff ff [ 365.067227] ---[ end trace 1ecf08f3cdf242f6 ]--- [ 365.067293] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_handle_dirty_dirent_node+0xc5/0x110 [ 365.067309] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.067331] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.067337] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.067337] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.067339] RIP: 0010:ext4_handle_dirty_dirent_node+0xc5/0x110 [ 365.067339] RSP: 0018:ffffb90740cafb60 EFLAGS: 00010246 [ 365.067340] RAX: ffff8b4bb91a6000 RBX: ffff8b4bb8e2e6e8 RCX: 0000000000000000 [ 365.067340] RDX: ffff8b4bb91a7800 RSI: ffff8b4bb8e2e6e8 RDI: 0000000000000001 [ 365.067341] RBP: ffffb90740cafba0 R08: ffff8b4bb8dc6f70 R09: 0000000000000000 [ 365.067341] R10: 0000000000000000 R11: 00000000000000a9 R12: ffff8b4bb8ddaa90 [ 365.067342] R13: 0000000000000001 R14: ffff8b4bb8e2e770 R15: ffffb90740cafc28 [ 365.067343] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.067344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.067346] CR2: 00007f3030025098 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.067348] Call Trace: [ 365.067351] add_dirent_to_buf+0x10b/0x1a0 [ 365.067352] ext4_add_entry+0x126/0x430 [ 365.067354] ext4_rename+0x6ae/0x860 [ 365.067356] ext4_rename2+0x8d/0xc0 [ 365.067357] vfs_rename+0x46e/0x960 [ 365.067358] SyS_rename+0x362/0x3c0 [ 365.067360] do_syscall_64+0x73/0x130 [ 365.067362] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.067362] RIP: 0033:0x7f301e501d37 [ 365.067363] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 365.067364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e501d37 [ 365.067364] RDX: 0000000000cb82f0 RSI: 0000000000cb82f0 RDI: 0000000000cb82d0 [ 365.067365] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.067365] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.067366] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.067366] Code: 89 d9 4c 89 ea be 83 01 00 00 e8 27 ef fc ff 48 8b 7d d8 65 48 33 3c 25 28 00 00 00 75 44 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b eb c6 83 39 04 8b 83 48 03 00 00 75 24 48 8d 7d c0 48 89 [ 365.067383] ---[ end trace 1ecf08f3cdf242f7 ]--- [ 365.069051] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_delete_entry+0xd8/0x140 [ 365.069051] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.069072] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.069078] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.069079] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.069080] RIP: 0010:ext4_delete_entry+0xd8/0x140 [ 365.069081] RSP: 0000:ffffb90740cafc58 EFLAGS: 00010246 [ 365.069082] RAX: ffff8b4bb91a7800 RBX: ffff8b4bb8e28528 RCX: ffff8b4bb8dda750 [ 365.069082] RDX: ffff8b4bb80e2400 RSI: ffff8b4bb8e28528 RDI: 0000000000000001 [ 365.069083] RBP: ffffb90740cafc98 R08: ffff8b4ba0d10c18 R09: ffff8b4bb8e28528 [ 365.069083] R10: 0000000000000000 R11: 0000000000027ec0 R12: ffff8b4bb8dda750 [ 365.069084] R13: 0000000000000001 R14: ffff8b4ba0d10c18 R15: 000000000000000c [ 365.069085] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.069085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.069086] CR2: 00007f827d8132a0 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.069089] Call Trace: [ 365.069091] ext4_rename+0x824/0x860 [ 365.069093] ext4_rename2+0x8d/0xc0 [ 365.069094] vfs_rename+0x46e/0x960 [ 365.069095] SyS_rename+0x362/0x3c0 [ 365.069097] do_syscall_64+0x73/0x130 [ 365.069099] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.069100] RIP: 0033:0x7f301e501d37 [ 365.069100] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 365.069101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e501d37 [ 365.069102] RDX: 0000000000cb82f0 RSI: 0000000000cb82f0 RDI: 0000000000cb82d0 [ 365.069102] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.069103] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.069104] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.069105] Code: d0 65 48 33 0c 25 28 00 00 00 75 79 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 83 b8 a8 03 00 00 00 41 bf 0c 00 00 00 75 8d <0f> 0b 45 31 ff eb 86 4c 8d 45 cc c7 45 cc 01 00 00 00 e8 51 06 [ 365.069121] ---[ end trace 1ecf08f3cdf242f8 ]--- [ 365.069154] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_dirent_csum_verify+0x97/0xe0 [ 365.069154] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.069173] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.069178] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.069178] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.069179] RIP: 0010:ext4_dirent_csum_verify+0x97/0xe0 [ 365.069180] RSP: 0018:ffffb90740cafcd8 EFLAGS: 00010246 [ 365.069181] RAX: ffff8b4bb91a6000 RBX: 0000000000000001 RCX: 0000000000000000 [ 365.069181] RDX: ffff8b4bb91a7800 RSI: ffff8b4ba0d12000 RDI: ffff8b4bb8e28528 [ 365.069182] RBP: ffffb90740cafd00 R08: ffffb90740cafd68 R09: 0000000000000000 [ 365.069182] R10: ffffb90740cafea8 R11: 0000000000000001 R12: 0000000000000008 [ 365.069182] R13: ffff8b4bb8e28528 R14: ffff8b4bb8dda0d0 R15: 0000000000000002 [ 365.069183] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.069184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.069184] CR2: 00007f827d8132a0 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.069186] Call Trace: [ 365.069188] ext4_find_entry+0x29f/0x4e0 [ 365.069190] ext4_lookup+0x81/0x210 [ 365.069193] __lookup_hash+0x6a/0xa0 [ 365.069194] do_unlinkat+0x137/0x320 [ 365.069195] SyS_unlink+0x1f/0x30 [ 365.069196] do_syscall_64+0x73/0x130 [ 365.069198] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.069199] RIP: 0033:0x7f301e597d47 [ 365.069199] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 365.069200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e597d47 [ 365.069200] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000cb82d0 [ 365.069201] RBP: 00007ffd93f019d0 R08: 0000000000000003 R09: 0000000000000000 [ 365.069201] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.069202] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.069202] Code: 48 c7 c6 a0 ed 04 a7 e8 98 d6 01 00 31 c0 eb 05 b8 01 00 00 00 48 8b 5d f0 65 48 33 1c 25 28 00 00 00 75 47 48 83 c4 20 5b 5d c3 <0f> 0b b8 01 00 00 00 eb e1 83 39 04 8b 58 08 8b 87 48 03 00 00 [ 365.069218] ---[ end trace 1ecf08f3cdf242f9 ]--- [ 365.069238] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_inode_bitmap_csum_set+0x9c/0xb0 [ 365.069239] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.069258] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.069263] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.069263] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.069264] RIP: 0010:ext4_inode_bitmap_csum_set+0x9c/0xb0 [ 365.069265] RSP: 0018:ffffb90740cafd10 EFLAGS: 00010246 [ 365.069265] RAX: 0000000000000000 RBX: ffff8b4bb91a7800 RCX: ffff8b4bb8dc6af8 [ 365.069266] RDX: ffff8b4bb80e28c0 RSI: 0000000000000006 RDI: ffff8b4bb91a6000 [ 365.069266] RBP: ffffb90740cafd40 R08: 0000000000000020 R09: 0000000000000000 [ 365.069267] R10: 0000000000000000 R11: ffff8b4bb91a7800 R12: ffff8b4bb8e2e6e8 [ 365.069267] R13: 0000000000008000 R14: ffff8b4bb8e3bce0 R15: ffff8b4bb80e28c0 [ 365.069268] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.069269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.069269] CR2: 00007f827d8132a0 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.069271] Call Trace: [ 365.069272] ? __ext4_journal_get_write_access+0x25/0xb0 [ 365.069274] __ext4_new_inode+0xd1f/0x1400 [ 365.069276] ext4_create+0xa9/0x1b0 [ 365.069277] vfs_create+0x10a/0x1b0 [ 365.069278] SyS_mknod+0x1f1/0x210 [ 365.069280] do_syscall_64+0x73/0x130 [ 365.069281] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.069282] RIP: 0033:0x7f301e59586d [ 365.069282] RSP: 002b:00007ffd93f01848 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 365.069283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e59586d [ 365.069283] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000000cb82f0 [ 365.069284] RBP: 00007ffd93f019d0 R08: 0000000000cb82f0 R09: 0000000000000000 [ 365.069284] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.069285] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.069285] Code: 89 44 24 1a 48 83 3b 3b 76 09 c1 e8 10 66 41 89 44 24 3a 48 8b 45 e8 65 48 33 04 25 28 00 00 00 75 11 48 83 c4 20 5b 41 5c 5d c3 <0f> 0b eb e4 0f 0b 0f 0b e8 a7 21 d8 ff 0f 1f 80 00 00 00 00 0f [ 365.069301] ---[ end trace 1ecf08f3cdf242fa ]--- [ 365.069500] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_has_metadata_csum+0x21/0x3b [ 365.069500] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.069520] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.069526] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.069527] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.069528] RIP: 0010:ext4_has_metadata_csum+0x21/0x3b [ 365.069529] RSP: 0018:ffffb90740cafd40 EFLAGS: 00010246 [ 365.069530] RAX: 0000000000000000 RBX: ffff8b4bb91a6000 RCX: ffff8b4bb80e2400 [ 365.069530] RDX: ffff8b4bb91a7800 RSI: 0000000010083248 RDI: ffff8b4bb91a6000 [ 365.069531] RBP: ffffb90740cafd40 R08: 00000000adaf9ab5 R09: ffff8b4bb8e280f4 [ 365.069531] R10: 0000000000000000 R11: ffff8b4bb91a7800 R12: ffff8b4bb8e2e6e8 [ 365.069531] R13: 0000000000008000 R14: ffff8b4bb8e280e8 R15: ffff8b4bb80e28c0 [ 365.069532] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.069533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.069533] CR2: 00007f827d8132a0 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.069535] Call Trace: [ 365.069537] __ext4_new_inode+0xf43/0x1400 [ 365.069539] ext4_create+0xa9/0x1b0 [ 365.069540] vfs_create+0x10a/0x1b0 [ 365.069541] SyS_mknod+0x1f1/0x210 [ 365.069543] do_syscall_64+0x73/0x130 [ 365.069544] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.069545] RIP: 0033:0x7f301e59586d [ 365.069545] RSP: 002b:00007ffd93f01848 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 365.069546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e59586d [ 365.069546] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000000cb82f0 [ 365.069547] RBP: 00007ffd93f019d0 R08: 0000000000cb82f0 R09: 0000000000000000 [ 365.069547] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000400c20 [ 365.069548] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.069548] Code: ff 44 8b 45 b0 e9 91 fd ff ff 48 8b 97 08 04 00 00 48 8b 4a 68 f6 41 65 04 74 1d 48 8b 82 a8 03 00 00 48 85 c0 75 14 55 48 89 e5 <0f> 0b 48 85 c0 0f 95 c0 0f b6 c0 5d c3 31 c0 c3 48 85 c0 0f 95 [ 365.069564] ---[ end trace 1ecf08f3cdf242fb ]--- [ 365.069586] WARNING: CPU: 0 PID: 1410 at /build/linux-LL9XfP/linux-4.15.0/fs/ext4/ext4.h:2692 ext4_iget+0x720/0xb90 [ 365.069587] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.069605] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.069609] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.069610] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.069611] RIP: 0010:ext4_iget+0x720/0xb90 [ 365.069611] RSP: 0018:ffffb90740cafb70 EFLAGS: 00010246 [ 365.069612] RAX: ffff8b4bb91a7800 RBX: ffff8b4bb8e2a728 RCX: ffff8b4bb80e2400 [ 365.069612] RDX: ffff8b4bb91a6000 RSI: 000000000000000d RDI: fffff966008798c0 [ 365.069613] RBP: ffffb90740cafbe8 R08: ffff8b4bb8ddac30 R09: 0000000000000000 [ 365.069613] R10: ffff8b4ba1e63700 R11: 0000000000000005 R12: ffff8b4bb91a6000 [ 365.069614] R13: 000000000000000f R14: ffff8b4bb91a7800 R15: 0000000000000000 [ 365.069615] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.069615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.069616] CR2: 00007f827d8132a0 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.069618] Call Trace: [ 365.069620] ext4_iget_normal+0x30/0x40 [ 365.069621] ext4_lookup+0xf0/0x210 [ 365.069622] lookup_slow+0xab/0x170 [ 365.069623] walk_component+0x1c3/0x350 [ 365.069624] path_lookupat+0x84/0x1f0 [ 365.069625] ? _cond_resched+0x19/0x40 [ 365.069626] filename_lookup+0xb6/0x190 [ 365.069628] ? d_instantiate+0x42/0x60 [ 365.069630] ? __check_object_size+0xaf/0x1b0 [ 365.069633] ? strncpy_from_user+0x4d/0x170 [ 365.069635] user_path_at_empty+0x36/0x40 [ 365.069635] ? user_path_at_empty+0x36/0x40 [ 365.069638] path_listxattr+0x4b/0xb0 [ 365.069639] SyS_listxattr+0x13/0x20 [ 365.069640] do_syscall_64+0x73/0x130 [ 365.069642] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.069642] RIP: 0033:0x7f301e5a5907 [ 365.069643] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 00000000000000c2 [ 365.069643] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e5a5907 [ 365.069644] RDX: 0000000000000071 RSI: 00007ffd93f01950 RDI: 0000000000cb8310 [ 365.069644] RBP: 00007ffd93f019d0 R08: 0000000000cb82f0 R09: 0000000000000000 [ 365.069645] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000400c20 [ 365.069645] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.069646] Code: 28 48 8b 86 08 04 00 00 f6 80 a0 00 00 00 04 0f 85 c1 fb ff ff 49 83 fd 05 49 c7 c6 8c ff ff ff 0f 85 67 ff ff ff e9 a7 fb ff ff <0f> 0b e9 9c fa ff ff 41 8b 42 6c 48 c1 e0 20 49 09 c1 4d 85 c9 [ 365.069663] ---[ end trace 1ecf08f3cdf242fc ]--- [ 365.070479] BUG: unable to handle kernel NULL pointer dereference at (null) [ 365.070512] IP: ext4_xattr_set_entry+0x77f/0x1090 [ 365.070533] PGD 8000000038072067 P4D 8000000038072067 PUD 38073067 PMD 0 [ 365.070599] Oops: 0000 [#1] SMP PTI [ 365.070622] Modules linked in: vmw_balloon coretemp intel_rapl_perf input_leds joydev serio_raw snd_ens1371 btusb snd_ac97_codec uvcvideo btrtl videobuf2_vmalloc btbcm btintel gameport snd_rawmidi videobuf2_memops bluetooth videobuf2_v4l2 videobuf2_core snd_seq_device ac97_bus snd_pcm videodev media ecdh_generic snd_timer snd soundcore shpchp mac_hid vmw_vsock_vmci_transport vsock vmw_vmci sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd vmwgfx [ 365.070902] psmouse ttm drm_kms_helper mptspi mptscsih ahci libahci e1000 mptbase scsi_transport_spi syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pata_acpi [ 365.072144] CPU: 0 PID: 1410 Comm: poc Tainted: G W 4.15.0-12-generic #13-Ubuntu [ 365.072739] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 365.074959] RIP: 0010:ext4_xattr_set_entry+0x77f/0x1090 [ 365.075822] RSP: 0018:ffffb90740caf948 EFLAGS: 00010246 [ 365.076411] RAX: 0000000000000000 RBX: ffffb90740cafb40 RCX: 0000000000000000 [ 365.076977] RDX: 0000000000000000 RSI: 0000000000000071 RDI: ffff8b4bb8e2a7b0 [ 365.077550] RBP: ffffb90740cafa40 R08: 0000000000000001 R09: 0000000000000000 [ 365.078255] R10: 0000000000000000 R11: 0000000000000400 R12: ffffb90740cafac0 [ 365.078966] R13: ffff8b4bb85b5020 R14: ffff8b4bb85b5020 R15: 0000000000000071 [ 365.079650] FS: 00007f301ea94540(0000) GS:ffff8b4bbc600000(0000) knlGS:0000000000000000 [ 365.080319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 365.080976] CR2: 0000000000000000 CR3: 0000000038294005 CR4: 00000000001606f0 [ 365.081633] Call Trace: [ 365.082290] ? ext4_new_meta_blocks+0xcb/0x110 [ 365.082867] ? _cond_resched+0x19/0x40 [ 365.083430] ? __kmalloc+0x19b/0x220 [ 365.083983] ext4_xattr_block_set+0x578/0xf00 [ 365.084564] ? __ext4_journal_get_write_access+0x25/0xb0 [ 365.085049] ext4_xattr_set_handle+0x456/0x5a0 [ 365.085518] ? ext4_xattr_user_list+0x20/0x20 [ 365.085974] ext4_xattr_set+0xbd/0x140 [ 365.086423] ext4_xattr_user_set+0x34/0x40 [ 365.086841] __vfs_setxattr+0x6b/0x90 [ 365.087252] __vfs_setxattr_noperm+0x72/0x1a0 [ 365.087675] vfs_setxattr+0xa7/0xb0 [ 365.088095] setxattr+0x158/0x1c0 [ 365.088497] ? _cond_resched+0x19/0x40 [ 365.088894] ? __check_object_size+0xaf/0x1b0 [ 365.089271] ? strncpy_from_user+0x4d/0x170 [ 365.089686] ? _cond_resched+0x19/0x40 [ 365.090030] path_setxattr+0xbd/0xd0 [ 365.090361] SyS_setxattr+0x14/0x20 [ 365.090683] do_syscall_64+0x73/0x130 [ 365.090992] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 365.091295] RIP: 0033:0x7f301e5a5a2a [ 365.091652] RSP: 002b:00007ffd93f01868 EFLAGS: 00000202 ORIG_RAX: 00000000000000bc [ 365.092028] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f301e5a5a2a [ 365.092408] RDX: 00007ffd93f01950 RSI: 0000000000401498 RDI: 0000000000cb8310 [ 365.092692] RBP: 00007ffd93f019d0 R08: 0000000000000001 R09: 0000000000000000 [ 365.092967] R10: 0000000000000071 R11: 0000000000000202 R12: 0000000000400c20 [ 365.093238] R13: 00007ffd93f01ad0 R14: 0000000000000000 R15: 0000000000000000 [ 365.093506] Code: 8b 85 70 ff ff ff 48 89 b5 48 ff ff ff 89 b5 0c ff ff ff 48 8b 40 28 48 8b 80 08 04 00 00 8b 90 b0 03 00 00 48 8b 80 a8 03 00 00 <83> 38 04 0f 85 4f 06 00 00 89 55 c8 48 8b b5 40 ff ff ff 48 8d [ 365.094360] RIP: ext4_xattr_set_entry+0x77f/0x1090 RSP: ffffb90740caf948 [ 365.094652] CR2: 0000000000000000 [ 365.094983] ---[ end trace 1ecf08f3cdf242fd ]--- Reported by Wen Xu from SSLab, Gatech -- You are receiving this mail because: You are watching the assignee of the bug.
