------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:169! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4428 Comm: syz.0.21 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:169 Code: f5 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 4d ba f5 fe e9 16 fe ff ff e8 33 52 b1 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:ffffc900033cf6e0 EFLAGS: 00010293 RAX: ffffffff82c679dd RBX: ffff88805f620430 RCX: ffff8880183dd940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805f620430 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff7c43 R10: fffffbfff1ff7c43 R11: 1ffffffff1ff7c42 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805f6200b8 R15: ffff88805f620600 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fab958777e0 CR3: 000000007e6de000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x485/0x870 fs/inode.c:647 dispose_list fs/inode.c:680 [inline] evict_inodes+0x604/0x690 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+0x418/0x4d0 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+0x61e/0x20a0 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+0xc1/0x1300 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_page_fault+0x88/0x100 arch/x86/mm/fault.c:1504 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0033:0x7fcb589ba751 Code: Unable to access opcode bytes at RIP 0x7fcb589ba727. RSP: 002b:000000000000a420 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007fcb58c10fa0 RCX: 00007fcb589ba749 RDX: 0000000000000000 RSI: 000000000000a420 RDI: 0000000000022080 RBP: 00007fcb58a3ef91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 00007fcb58c11038 R14: 00007fcb58c10fa0 R15: 00007ffc388df528 Modules linked in: ---[ end trace 16ab98c31ee28caa ]--- RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:169 Code: f5 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 4d ba f5 fe e9 16 fe ff ff e8 33 52 b1 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:ffffc900033cf6e0 EFLAGS: 00010293 RAX: ffffffff82c679dd RBX: ffff88805f620430 RCX: ffff8880183dd940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805f620430 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ff7c43 R10: fffffbfff1ff7c43 R11: 1ffffffff1ff7c42 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805f6200b8 R15: ffff88805f620600 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fab959be36a CR3: 000000007e6de000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400