Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffde39d7ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc8ed19bf80 RCX: 00007fc8ed07cae9 RDX: 0000000020000180 RSI: 00000000200001c0 RDI: 0000000000000000 RBP: 00007ffde39d7f00 R08: 0000000020000400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00000000000009fb R14: 00007fc8ed19bf80 R15: 00007fc8ed19bf80 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 5098 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00213-g791c8ab095f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:autofs_fill_super+0x47d/0xb50 fs/autofs/inode.c:334 Code: 03 a0 dc 9f 8b 4d 8d 67 04 48 8b 14 24 48 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 58 03 00 00 8b 1a 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 4c 89 f5 0f 85 61 03 00 00 41 89 5f 04 4d 8d RSP: 0018:ffffc90003ef7c90 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801d135940 RDX: ffff8880212e2f80 RSI: ffffffff8bbdf360 RDI: ffffffff8bbdf320 RBP: ffff88801c3ad780 R08: 00000000ffffffff R09: 1ffffffff1b4556a R10: dffffc0000000000 R11: fffffbfff1b4556b R12: 0000000000000004 R13: ffff88801c3ad700 R14: dffffc0000000000 R15: 0000000000000000 FS: 00005555556f6480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8ed0ffd00 CR3: 0000000027082000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_get_super fs/super.c:1338 [inline] get_tree_nodev+0xb4/0x140 fs/super.c:1357 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fc8ed07cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffde39d7ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc8ed19bf80 RCX: 00007fc8ed07cae9 RDX: 0000000020000180 RSI: 00000000200001c0 RDI: 0000000000000000 RBP: 00007ffde39d7f00 R08: 0000000020000400 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00000000000009fb R14: 00007fc8ed19bf80 R15: 00007fc8ed19bf80 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:autofs_fill_super+0x47d/0xb50 fs/autofs/inode.c:334 Code: 03 a0 dc 9f 8b 4d 8d 67 04 48 8b 14 24 48 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 58 03 00 00 8b 1a 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 4c 89 f5 0f 85 61 03 00 00 41 89 5f 04 4d 8d RSP: 0018:ffffc90003ef7c90 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801d135940 RDX: ffff8880212e2f80 RSI: ffffffff8bbdf360 RDI: ffffffff8bbdf320 RBP: ffff88801c3ad780 R08: 00000000ffffffff R09: 1ffffffff1b4556a R10: dffffc0000000000 R11: fffffbfff1b4556b R12: 0000000000000004 R13: ffff88801c3ad700 R14: dffffc0000000000 R15: 0000000000000000 FS: 00005555556f6480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8ed0ffd00 CR3: 0000000027082000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W