WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= exFAT-fs (loop2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. exFAT-fs (loop2): Medium has reported failures. Some data may be lost. exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xe2e35dda, utbl_chksum : 0xe619d30d) BUG: unable to handle page fault for address: fffffffffffffffc #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7012067 P4D 7012067 PUD 7014067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__lookup_slow+0x2ca/0x410 fs/namei.c:1697 Code: 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2b 6f f4 ff 48 8b 7c 24 08 4c 89 ee 8b 54 24 04 4c 8b 1b 41 ba 4f 27 89 b6 <45> 03 53 fc 74 02 0f 0b 41 ff d3 48 89 c3 43 0f b6 04 26 84 c0 0f RSP: 0018:ffffc900009d79e0 EFLAGS: 00010246 RAX: 1ffffffff0b6c768 RBX: ffffffff85b63b40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888111144220 RDI: ffff888123f10d30 RBP: ffffc900009d7ab0 R08: ffffffff87bd1517 R09: 1ffffffff0f7a2a2 R10: 00000000b689274f R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888111144220 R14: 1ffff11022228844 R15: 1ffff9200013af40 FS: 000055555cee3500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffc CR3: 000000012be41000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lookup_one_len+0x19d/0x2e0 fs/namei.c:2747 incfs_lookup_dentry+0x60/0xb0 fs/incfs/data_mgmt.c:210 ioctl_create_file fs/incfs/pseudo_files.c:556 [inline] pending_reads_dispatch_ioctl+0x1618/0x1e60 fs/incfs/pseudo_files.c:1030 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fc7fb59cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeef51d6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc7fb815fa0 RCX: 00007fc7fb59cdd9 RDX: 00002000000000c0 RSI: 00000000c058671e RDI: 0000000000000005 RBP: 00007fc7fb632d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc7fb815fac R14: 00007fc7fb815fa0 R15: 00007fc7fb815fa0 Modules linked in: CR2: fffffffffffffffc ---[ end trace 0000000000000000 ]--- RIP: 0010:__lookup_slow+0x2ca/0x410 fs/namei.c:1697 Code: 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2b 6f f4 ff 48 8b 7c 24 08 4c 89 ee 8b 54 24 04 4c 8b 1b 41 ba 4f 27 89 b6 <45> 03 53 fc 74 02 0f 0b 41 ff d3 48 89 c3 43 0f b6 04 26 84 c0 0f RSP: 0018:ffffc900009d79e0 EFLAGS: 00010246 RAX: 1ffffffff0b6c768 RBX: ffffffff85b63b40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888111144220 RDI: ffff888123f10d30 RBP: ffffc900009d7ab0 R08: ffffffff87bd1517 R09: 1ffffffff0f7a2a2 R10: 00000000b689274f R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888111144220 R14: 1ffff11022228844 R15: 1ffff9200013af40 FS: 000055555cee3500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffffc CR3: 000000012be41000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 d8 mov %ebx,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) b: 74 08 je 0x15 d: 48 89 df mov %rbx,%rdi 10: e8 2b 6f f4 ff call 0xfff46f40 15: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 1a: 4c 89 ee mov %r13,%rsi 1d: 8b 54 24 04 mov 0x4(%rsp),%edx 21: 4c 8b 1b mov (%rbx),%r11 24: 41 ba 4f 27 89 b6 mov $0xb689274f,%r10d * 2a: 45 03 53 fc add -0x4(%r11),%r10d <-- trapping instruction 2e: 74 02 je 0x32 30: 0f 0b ud2 32: 41 ff d3 call *%r11 35: 48 89 c3 mov %rax,%rbx 38: 43 0f b6 04 26 movzbl (%r14,%r12,1),%eax 3d: 84 c0 test %al,%al 3f: 0f .byte 0xf