Hello, syzbot found the following issue on: HEAD commit: 21266b8df522 Merge tag 'AT_EXECVE_CHECK-v6.14-rc1' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13775ab0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f9e008bfc27b14db dashboard link: https://syzkaller.appspot.com/bug?extid=3f197ab3ac3fca17f7cf compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-21266b8d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/96d2e2351b97/vmlinux-21266b8d.xz kernel image: https://storage.googleapis.com/syzbot-assets/df52cb464cba/bzImage-21266b8d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3f197ab3ac3fca17f7cf@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: detected capacity change from 0 to 512 EXT4-fs: Ignoring removed i_version option EXT4-fs: Ignoring removed orlov option EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop0): 1 truncate cleaned up EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/extents_status.c:203! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-04858-g21266b8df522 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ext4_es_end fs/ext4/extents_status.c:203 [inline] RIP: 0010:__es_tree_search fs/ext4/extents_status.c:221 [inline] RIP: 0010:ext4_es_cache_extent+0x68d/0x7e0 fs/ext4/extents_status.c:985 Code: ff e9 b1 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 38 fe ff ff 4c 89 f7 e8 fe 53 b0 ff e9 2b fe ff ff e8 24 ce 49 ff 90 <0f> 0b e8 ac a1 7d 09 f3 0f 1e fa 65 8b 1d 2d 3b ae 7d bf 07 00 00 RSP: 0018:ffffc9000d4bf340 EFLAGS: 00010283 RAX: ffffffff82559acc RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e502000 RSI: 00000000000008a1 RDI: 00000000000008a2 RBP: ffffc9000d4bf448 R08: ffffffff82559802 R09: fffff52001a97e58 R10: dffffc0000000000 R11: fffff52001a97e58 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff888043da7b0c R15: 1ffff110087b4f61 FS: 00007fb74f8116c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb74eb96788 CR3: 0000000043882000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ext4_cache_extents fs/ext4/extents.c:540 [inline] ext4_find_extent+0x3e8/0xd50 fs/ext4/extents.c:927 ext4_get_verity_descriptor_location fs/ext4/verity.c:292 [inline] ext4_get_verity_descriptor+0x122/0x610 fs/ext4/verity.c:346 fsverity_get_descriptor+0x8e/0x440 fs/verity/open.c:330 ensure_verity_info fs/verity/open.c:370 [inline] __fsverity_file_open+0x15d/0x2b0 fs/verity/open.c:391 fsverity_file_open include/linux/fsverity.h:300 [inline] ext4_file_open+0x25a/0x8b0 fs/ext4/file.c:892 do_dentry_open+0xbe1/0x1b70 fs/open.c:938 vfs_open+0x3e/0x330 fs/open.c:1068 do_open fs/namei.c:3828 [inline] path_openat+0x2c84/0x3590 fs/namei.c:3987 do_filp_open+0x27f/0x4e0 fs/namei.c:4014 do_sys_openat2+0x13e/0x1d0 fs/open.c:1395 do_sys_open fs/open.c:1410 [inline] __do_sys_openat fs/open.c:1426 [inline] __se_sys_openat fs/open.c:1421 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1421 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb74e98cd29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb74f811038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb74eba5fa0 RCX: 00007fb74e98cd29 RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fb74ea0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000030 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb74eba5fa0 R15: 00007fff9c4d19b8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_es_end fs/ext4/extents_status.c:203 [inline] RIP: 0010:__es_tree_search fs/ext4/extents_status.c:221 [inline] RIP: 0010:ext4_es_cache_extent+0x68d/0x7e0 fs/ext4/extents_status.c:985 Code: ff e9 b1 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 38 fe ff ff 4c 89 f7 e8 fe 53 b0 ff e9 2b fe ff ff e8 24 ce 49 ff 90 <0f> 0b e8 ac a1 7d 09 f3 0f 1e fa 65 8b 1d 2d 3b ae 7d bf 07 00 00 RSP: 0018:ffffc9000d4bf340 EFLAGS: 00010283 RAX: ffffffff82559acc RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e502000 RSI: 00000000000008a1 RDI: 00000000000008a2 RBP: ffffc9000d4bf448 R08: ffffffff82559802 R09: fffff52001a97e58 R10: dffffc0000000000 R11: fffff52001a97e58 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff888043da7b0c R15: 1ffff110087b4f61 FS: 00007fb74f8116c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb74eb96788 CR3: 0000000043882000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
