------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5065 Comm: syz.1.174 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:175 Code: e9 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 9d fb e9 fe e9 16 fe ff ff e8 53 ca 99 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:ffffc900034e7620 EFLAGS: 00010293 RAX: ffffffff82e7157d RBX: ffff88803e820d70 RCX: ffff888077001dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803e820d70 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff2119072 R10: fffffbfff2119072 R11: 1ffffffff2119071 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88803e8209f8 R15: ffff88803e820f40 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbdac038000 CR3: 000000002812a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x485/0x870 fs/inode.c:705 dispose_list fs/inode.c:738 [inline] evict_inodes+0x604/0x690 fs/inode.c:792 generic_shutdown_super+0x93/0x340 fs/super.c:480 kill_block_super+0x7c/0xe0 fs/super.c:1470 deactivate_locked_super+0x93/0xf0 fs/super.c:332 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1191 task_work_run+0x1ca/0x250 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x93e/0x2400 kernel/exit.c:880 do_group_exit+0x217/0x2d0 kernel/exit.c:1022 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xb7/0x1240 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 exc_page_fault+0x88/0x100 arch/x86/mm/fault.c:1490 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 002b:00002000000002c8 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f48d4be5fa0 RCX: 00007f48d498f749 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000001000000 RBP: 00007f48d4a13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f48d4be6038 R14: 00007f48d4be5fa0 R15: 00007ffd9a2f6078 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:175 Code: e9 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 9d fb e9 fe e9 16 fe ff ff e8 53 ca 99 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:ffffc900034e7620 EFLAGS: 00010293 RAX: ffffffff82e7157d RBX: ffff88803e820d70 RCX: ffff888077001dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803e820d70 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff2119072 R10: fffffbfff2119072 R11: 1ffffffff2119071 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88803e8209f8 R15: ffff88803e820f40 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62557b42f8 CR3: 000000007d3c1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400