------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4534 Comm: syz.3.44 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:175 Code: f2 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 bd a7 f2 fe e9 16 fe ff ff e8 f3 88 ad fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff RSP: 0018:ffffc9000347f6c0 EFLAGS: 00010293 RAX: ffffffff82cbab9d RBX: ffff888050ab0d70 RCX: ffff88802aee5940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888050ab0d70 RBP: 0000000000000001 R08: ffffffff901d52bf R09: 1ffffffff203aa57 R10: dffffc0000000000 R11: fffffbfff203aa58 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888050ab09f8 R15: ffff888050ab0d98 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6bdd83bff8 CR3: 000000007e60a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x4c9/0x8d0 fs/inode.c:647 dispose_list fs/inode.c:680 [inline] evict_inodes+0x60c/0x6a0 fs/inode.c:734 generic_shutdown_super+0x93/0x300 fs/super.c:454 kill_block_super+0x7c/0xe0 fs/super.c:1427 deactivate_locked_super+0x93/0xf0 fs/super.c:335 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148 task_work_run+0x125/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x626/0x20c0 kernel/exit.c:883 do_group_exit+0x12e/0x300 kernel/exit.c:997 get_signal+0x6ca/0x12c0 kernel/signal.c:2900 arch_do_signal_or_restart+0xe7/0x12c0 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fe7bf18a60e Code: Unable to access opcode bytes at RIP 0x7fe7bf18a5e4. RSP: 002b:00007fe7bd422f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007fe7bd4236c0 RCX: 00007fe7bf18a60e RDX: 00007fe7bd422fb0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fe7bf25fd69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe7bf443038 R14: 00007fe7bf442fa0 R15: 00007ffeac210c68 Modules linked in: ---[ end trace 0849604c68f0fb0a ]--- RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:175 Code: f2 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 bd a7 f2 fe e9 16 fe ff ff e8 f3 88 ad fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff RSP: 0018:ffffc9000347f6c0 EFLAGS: 00010293 RAX: ffffffff82cbab9d RBX: ffff888050ab0d70 RCX: ffff88802aee5940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888050ab0d70 RBP: 0000000000000001 R08: ffffffff901d52bf R09: 1ffffffff203aa57 R10: dffffc0000000000 R11: fffffbfff203aa58 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888050ab09f8 R15: ffff888050ab0d98 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557255aa38 CR3: 0000000063790000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400