------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:169! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 23961 Comm: syz.8.3151 Not tainted 6.6.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:jfs_evict_inode+0x431/0x440 fs/jfs/inode.c:169 Code: e3 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 19 d5 e3 fe e9 0a fe ff ff e8 ff 8d 8c fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 RSP: 0018:ffffc9000434f720 EFLAGS: 00010293 RAX: ffffffff82f8fd21 RBX: ffff88805daef330 RCX: ffff8880268b9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805daef330 RBP: 0000000000000001 R08: ffffffff90da363f R09: 1ffffffff21b46c7 R10: dffffc0000000000 R11: fffffbfff21b46c8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805daeefb8 R15: ffff88805daef500 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f618f83cf98 CR3: 0000000030f79000 CR4: 00000000003506e0 Call Trace: evict+0x486/0x870 fs/inode.c:705 dispose_list fs/inode.c:738 [inline] evict_inodes+0x5fe/0x690 fs/inode.c:792 generic_shutdown_super+0x97/0x2b0 fs/super.c:672 kill_block_super+0x44/0x90 fs/super.c:1660 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250 task_work_run+0x1ce/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x90b/0x23c0 kernel/exit.c:883 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:315 exc_page_fault+0x8f/0x110 arch/x86/mm/fault.c:1524 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x7f98c7b8ebe9 Code: Unable to access opcode bytes at 0x7f98c7b8ebbf. RSP: 002b:00007f98c8920fe8 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 00007f98c7db5fa0 RCX: 00007f98c7b8ebe9 RDX: 0000200000000040 RSI: 0000000000000000 RDI: 0000000000025000 RBP: 00007f98c7c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f98c7db6038 R14: 00007f98c7db5fa0 R15: 00007ffcfcdf9a88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_evict_inode+0x431/0x440 fs/jfs/inode.c:169 Code: e3 fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 19 d5 e3 fe e9 0a fe ff ff e8 ff 8d 8c fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 RSP: 0018:ffffc9000434f720 EFLAGS: 00010293 RAX: ffffffff82f8fd21 RBX: ffff88805daef330 RCX: ffff8880268b9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805daef330 RBP: 0000000000000001 R08: ffffffff90da363f R09: 1ffffffff21b46c7 R10: dffffc0000000000 R11: fffffbfff21b46c8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805daeefb8 R15: ffff88805daef500 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f618f83cf98 CR3: 0000000025a53000 CR4: 00000000003506e0