https://bugzilla.kernel.org/show_bug.cgi?id=214917 Bug ID: 214917 Summary: 5.15: kernel BUG at fs/ext4/inode.c:1721! Product: File System Version: 2.5 Kernel Version: 5.15.0 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: gerbilsoft@xxxxxxxxxxxxxx Regression: No Since upgrading from 5.14.12 to 5.15, I've been getting a number of kernel BUGs at fs/ext4/inode.c:1721!. I'm using inline_data on my ext4 file systems, and this code path seems to be hit most often when using Google Chrome. The BUG_ON() being hit was introduced by this commit: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=948ca5f30e1df0c11eb5b0f410b9ceb97fa77ad9 [ 131.934142] ------------[ cut here ]------------ [ 131.934148] kernel BUG at fs/ext4/inode.c:1721! [ 131.934155] invalid opcode: 0000 [#1] PREEMPT SMP PTI [ 131.934162] CPU: 2 PID: 6307 Comm: ThreadPoolForeg Tainted: G O T 5.15.0-DEK-X230 #1 [ 131.934167] Hardware name: LENOVO 2320HQU/2320HQU, BIOS G2ETB7WW (2.77 ) 09/24/2019 [ 131.934170] RIP: 0010:ext4_da_get_block_prep+0x422/0x460 [ 131.934178] Code: ff f0 80 4b 01 01 e9 21 ff ff ff f0 80 0b 20 e9 0c ff ff ff f0 80 0b 10 e9 de fe ff ff e8 36 89 fe ff 41 89 c4 e9 23 fe ff ff <0f> 0b 0f 0b 48 8b 7d 10 50 45 89 e1 48 c7 c1 30 10 d3 98 4c 8b 85 [ 131.934182] RSP: 0018:ffffa9058ffafbb8 EFLAGS: 00010206 [ 131.934185] RAX: 27ffffffffffffff RBX: ffffa0b6d40d3c98 RCX: 0000000000000000 [ 131.934188] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000 [ 131.934191] RBP: ffffa0b6535fab00 R08: 0000000000000000 R09: 0000000000000000 [ 131.934194] R10: 0000000000000000 R11: 0000000000001000 R12: ffffa9058ffafc80 [ 131.934197] R13: 0000000000000001 R14: ffffffffffff0000 R15: ffffd265c7add0c0 [ 131.934200] FS: 00007efc4ff3a640(0000) GS:ffffa0b8ce280000(0000) knlGS:0000000000000000 [ 131.934204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.934207] CR2: 0000156a01674000 CR3: 000000016da9e003 CR4: 00000000001706e0 [ 131.934210] Call Trace: [ 131.934215] __block_write_begin_int+0x14e/0x590 [ 131.934223] ? ext4_da_release_space+0x100/0x100 [ 131.934228] ext4_da_write_begin+0x11d/0x2c0 [ 131.934232] ? generic_write_end+0xe3/0x150 [ 131.934237] generic_perform_write+0xc4/0x220 [ 131.934258] ext4_buffered_write_iter+0xa2/0x180 [ 131.934266] new_sync_write+0x156/0x200 [ 131.934273] vfs_write+0x216/0x2b0 [ 131.934278] __x64_sys_pwrite64+0x94/0xc0 [ 131.934284] do_syscall_64+0x66/0xa0 [ 131.934291] ? do_syscall_64+0xe/0xa0 [ 131.934295] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 131.934300] RIP: 0033:0x7efc57997217 [ 131.934305] Code: 08 89 3c 24 48 89 4c 24 18 e8 05 bc f8 ff 4c 8b 54 24 18 41 89 c0 48 8b 54 24 10 b8 12 00 00 00 48 8b 74 24 08 8b 3c 24 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 35 bc f8 ff 48 8b [ 131.934309] RSP: 002b:00007efc4ff38ff0 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 131.934315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc57997217 [ 131.934318] RDX: 0000000000001b20 RSI: 000026fc07ab5c00 RDI: 000000000000012e [ 131.934321] RBP: 00007efc4ff39100 R08: 0000000000000000 R09: 0000000000000000 [ 131.934324] R10: 000000000000006f R11: 0000000000000293 R12: 0000000000001b20 [ 131.934327] R13: 000000000000006f R14: 000026fc07ab5c00 R15: 000026fc0e84dac0 [ 131.934332] Modules linked in: fuse snd_seq_dummy snd_hrtimer snd_seq snd_seq_device bnep bluetooth ecdh_generic ecc lz4 lz4_compress zram zsmalloc squashfs lz4_decompress algif_skcipher vhost_net tun vhost vhost_iotlb tap vboxnetadp(O) vboxnetflt(O) vboxdrv(O) vhba(O) drivetemp iwlmvm snd_hda_codec_hdmi mac80211 x86_pkg_temp_thermal coretemp libarc4 snd_ctl_led kvm_intel iwlwifi snd_hda_codec_realtek at24 sdhci_pci kvm regmap_i2c uvcvideo cqhci snd_hda_codec_generic cfg80211 irqbypass joydev videobuf2_vmalloc ghash_clmulni_intel videobuf2_memops videobuf2_v4l2 sdhci i2c_i801 snd_hda_intel i2c_smbus videobuf2_common snd_intel_dspcfg lpc_ich mousedev snd_hda_codec mmc_core videodev snd_hwdep snd_hda_core mc snd_pcm e1000e snd_timer thinkpad_acpi tpm_tis ledtrig_audio platform_profile tpm_tis_core snd tpm soundcore [ 131.934455] ---[ end trace 07f79dcd9bd2996e ]--- -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.