------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5783 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:jfs_evict_inode+0x424/0x430 fs/jfs/inode.c:175 Code: e5 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 66 dd e5 fe e9 16 fe ff ff e8 cc d4 8c fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 57 41 56 41 54 RSP: 0018:ffffc900044efb08 EFLAGS: 00010293 RAX: ffffffff82fb09d4 RBX: ffff88805e1c3bb0 RCX: ffff88807cfb9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805e1c3bb0 RBP: 0000000000000001 R08: ffffffff9222364f R09: 1ffffffff24446c9 R10: dffffc0000000000 R11: fffffbfff24446ca R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805e1c3838 R15: ffff88805e1c3be8 FS: 0000555587b64500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555587b7fa38 CR3: 0000000061ee6000 CR4: 00000000003506f0 Call Trace: evict+0x4b3/0x9d0 fs/inode.c:702 dispose_list fs/inode.c:735 [inline] evict_inodes+0x64a/0x6e0 fs/inode.c:789 generic_shutdown_super+0x97/0x2b0 fs/super.c:669 kill_block_super+0x44/0x90 fs/super.c:1671 deactivate_locked_super+0x9c/0x210 fs/super.c:479 cleanup_mnt+0x3d7/0x460 fs/namespace.c:1259 task_work_run+0x1d4/0x260 kernel/task_work.c:245 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:180 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213 __syscall_exit_to_user_mode_work kernel/entry/common.c:294 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:305 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb5b3da0d57 Code: a2 c7 05 9c a9 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd949dacd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fb5b3e36fb3 RCX: 00007fb5b3da0d57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd949dad90 RBP: 00007ffd949dad90 R08: 00007ffd949dbd90 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd949dbe20 R13: 00007fb5b3e36fb3 R14: 00000000000158d5 R15: 00007ffd949dbe60 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_evict_inode+0x424/0x430 fs/jfs/inode.c:175 Code: e5 fe e9 e8 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 66 dd e5 fe e9 16 fe ff ff e8 cc d4 8c fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 57 41 56 41 54 RSP: 0018:ffffc900044efb08 EFLAGS: 00010293 RAX: ffffffff82fb09d4 RBX: ffff88805e1c3bb0 RCX: ffff88807cfb9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805e1c3bb0 RBP: 0000000000000001 R08: ffffffff9222364f R09: 1ffffffff24446c9 R10: dffffc0000000000 R11: fffffbfff24446ca R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805e1c3838 R15: ffff88805e1c3be8 FS: 0000555587b64500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555587b7fa38 CR3: 0000000061ee6000 CR4: 00000000003506f0