------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:169! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 3 PID: 10638 Comm: syz-executor.1 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:jfs_evict_inode+0x3ec/0x4b0 fs/jfs/inode.c:169 Code: 24 80 00 74 0d e8 94 86 8a fe 48 89 df e8 ac 73 02 00 e8 87 86 8a fe 48 89 df e8 0f c4 1a ff e9 e3 fc ff ff e8 75 86 8a fe 90 <0f> 0b 48 c7 c7 a0 51 15 8e e8 26 b3 e7 fe e9 43 fc ff ff e8 1c b3 RSP: 0018:ffffc9000343fbf0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804d6916b0 RCX: ffffffff821ec54b RDX: ffff888020eb4880 RSI: ffffffff8304097b RDI: ffff88804d6916a0 RBP: ffff88804d691338 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d691788 R13: ffff88804d6916d8 R14: ffffffff8b6a76e0 R15: ffff888067fe09c0 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:0000000056ff4400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c002a4aeb0 CR3: 0000000000700000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x2ed/0x6c0 fs/inode.c:667 dispose_list+0x117/0x1e0 fs/inode.c:700 evict_inodes+0x34e/0x450 fs/inode.c:750 generic_shutdown_super+0xb5/0x3d0 fs/super.c:627 kill_block_super+0x3b/0x90 fs/super.c:1676 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473 deactivate_super+0xde/0x100 fs/super.c:506 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf726a579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffd8aa48 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ffd8aaf0 RCX: 0000000000000009 RDX: 00000000f73c0ff4 RSI: 00000000f7311361 RDI: 00000000ffd8bb94 RBP: 00000000ffd8aaf0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_evict_inode+0x3ec/0x4b0 fs/jfs/inode.c:169 Code: 24 80 00 74 0d e8 94 86 8a fe 48 89 df e8 ac 73 02 00 e8 87 86 8a fe 48 89 df e8 0f c4 1a ff e9 e3 fc ff ff e8 75 86 8a fe 90 <0f> 0b 48 c7 c7 a0 51 15 8e e8 26 b3 e7 fe e9 43 fc ff ff e8 1c b3 RSP: 0018:ffffc9000343fbf0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804d6916b0 RCX: ffffffff821ec54b RDX: ffff888020eb4880 RSI: ffffffff8304097b RDI: ffff88804d6916a0 RBP: ffff88804d691338 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d691788 R13: ffff88804d6916d8 R14: ffffffff8b6a76e0 R15: ffff888067fe09c0 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:0000000056ff4400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c002a4aeb0 CR3: 0000000000700000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi