BUG: unable to handle page fault for address: ffffed101bbe34d9 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23ffee067 P4D 23ffee067 PUD 13fff5067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5014 Comm: syz-executor211 Not tainted 6.5.0-rc7-syzkaller-00164-g382d4cd18475 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:udf_close_lvid+0x14c/0x9a0 fs/udf/super.c:2035 Code: dc 49 83 c4 50 0f 84 f3 00 00 00 49 8d bf c0 00 00 00 48 89 7c 24 40 31 f6 e8 c0 06 c3 07 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 3d 05 00 00 4c 89 7c 24 18 4c 89 74 24 RSP: 0018:ffffc90003c0fa60 EFLAGS: 00010a02 RAX: 1ffff1101bbe34d9 RBX: ffff888072c0d000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8b58af40 RDI: ffff8880ddf1a6c8 RBP: ffffc90003c0fb50 R08: ffffffff8e987a2f R09: 1ffffffff1d30f45 R10: dffffc0000000000 R11: fffffbfff1d30f46 R12: ffff8880ddf1a6b0 R13: dffffc0000000000 R14: 1ffff92000781f58 R15: ffff888022099c00 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed101bbe34d9 CR3: 00000000245c4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_put_super+0xcd/0x160 fs/udf/super.c:2322 generic_shutdown_super+0x134/0x340 fs/super.c:499 kill_block_super+0x68/0xa0 fs/super.c:1417 deactivate_locked_super+0xa4/0x110 fs/super.c:330 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:874 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4eadcbec09 Code: Unable to access opcode bytes at 0x7f4eadcbebdf. RSP: 002b:00007ffcd9111c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4eadcbec09 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f4eadd5a390 R08: ffffffffffffffb8 R09: 00007ffcd9111d10 R10: 0000000020000380 R11: 0000000000000246 R12: 00007f4eadd5a390 R13: 0000000000000000 R14: 00007f4eadd5b100 R15: 00007f4eadc8cee0 Modules linked in: CR2: ffffed101bbe34d9 ---[ end trace 0000000000000000 ]--- RIP: 0010:udf_close_lvid+0x14c/0x9a0 fs/udf/super.c:2035 Code: dc 49 83 c4 50 0f 84 f3 00 00 00 49 8d bf c0 00 00 00 48 89 7c 24 40 31 f6 e8 c0 06 c3 07 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 3d 05 00 00 4c 89 7c 24 18 4c 89 74 24 RSP: 0018:ffffc90003c0fa60 EFLAGS: 00010a02 RAX: 1ffff1101bbe34d9 RBX: ffff888072c0d000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8b58af40 RDI: ffff8880ddf1a6c8 RBP: ffffc90003c0fb50 R08: ffffffff8e987a2f R09: 1ffffffff1d30f45 R10: dffffc0000000000 R11: fffffbfff1d30f46 R12: ffff8880ddf1a6b0 R13: dffffc0000000000 R14: 1ffff92000781f58 R15: ffff888022099c00 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed101bbe34d9 CR3: 00000000245c4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 49 83 c4 50 add $0x50,%r12 4: 0f 84 f3 00 00 00 je 0xfd a: 49 8d bf c0 00 00 00 lea 0xc0(%r15),%rdi 11: 48 89 7c 24 40 mov %rdi,0x40(%rsp) 16: 31 f6 xor %esi,%esi 18: e8 c0 06 c3 07 call 0x7c306dd 1d: 49 8d 7c 24 18 lea 0x18(%r12),%rdi 22: 48 89 f8 mov %rdi,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 3d 05 00 00 jne 0x573 36: 4c 89 7c 24 18 mov %r15,0x18(%rsp) 3b: 4c rex.WR 3c: 89 .byte 0x89 3d: 74 24 je 0x63