------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8136 Comm: syz.4.907 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:ffffc900032af660 EFLAGS: 00010293 RAX: ffffffff82cbab9d RBX: ffff88805ba316b0 RCX: ffff88802c8ed940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805ba316b0 RBP: 0000000000000001 R08: ffffffff901d52b7 R09: 1ffffffff203aa56 R10: dffffc0000000000 R11: fffffbfff203aa57 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805ba31338 R15: ffff88805ba316d8 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f704aca2000 CR3: 0000000064bc9000 CR4: 00000000003506e0 DR0: 00000000000000f8 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 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 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320 exc_general_protection+0x1e4/0x270 arch/x86/kernel/traps.c:562 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:600 RIP: 0033:0x7fbba3368de1 Code: Unable to access opcode bytes at RIP 0x7fbba3368db7. RSP: 002b:0000200000000370 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007fbba35e1fa0 RCX: 00007fbba3368dd9 RDX: 0000200000000380 RSI: 0000200000000370 RDI: 0000000040148200 RBP: 00007fbba33fed69 R08: 0000200000000c80 R09: 0000200000000c80 R10: 00002000000003c0 R11: 0000000000000206 R12: 0000000000000000 R13: 00007fbba35e2038 R14: 00007fbba35e1fa0 R15: 00007ffc024954d8 Modules linked in: ---[ end trace 364e4ad9151411cd ]--- 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:ffffc900032af660 EFLAGS: 00010293 RAX: ffffffff82cbab9d RBX: ffff88805ba316b0 RCX: ffff88802c8ed940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805ba316b0 RBP: 0000000000000001 R08: ffffffff901d52b7 R09: 1ffffffff203aa56 R10: dffffc0000000000 R11: fffffbfff203aa57 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805ba31338 R15: ffff88805ba316d8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0459a19a08 CR3: 0000000050b99000 CR4: 00000000003506f0 DR0: 00000000000000f8 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400