Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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:00007ff96c02a148 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff96c02a150 RCX: 00007ff96c0b0bd9
RDX: 0000000000080041 RSI: 00000000200001c0 RDI: 00000000ffffff9c
RBP: 0000000000000002 R08: 00007ff96c029ee6 R09: 0000000000003331
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff96c13b40c
R13: 000000000000006e R14: 00007ffedab1ced0 R15: 00007ffedab1cfb8
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 PID: 297 Comm: syz-executor429 Not tainted 5.10.204-syzkaller-01048-gf7977422e132 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:933 [inline]
RIP: 0010:fuse_file_put+0x11b/0x2420 fs/fuse/file.c:125
Code: f0 41 0f c1 5e 28 bf 01 00 00 00 89 de e8 0d e9 6b ff 83 fb 01 0f 85 e4 00 00 00 4c 89 e9 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 <80> 3c 08 00 74 08 4c 89 ef e8 f7 51 a9 ff 4c 8d bc 24 c0 00 00 00
RSP: 0018:ffffc90000b96f00 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffff88811edacf00 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000b972a0 R08: ffffffff81fec0c3 R09: ffffed1023393bc6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000028 R14: ffff888119c9de00 R15: ffff888119c9de28
FS: 00007ff96c02a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005626e31bb958 CR3: 000000011eb6d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
fuse_sync_release+0x81/0xb0 fs/fuse/file.c:393
fuse_create_open fs/fuse/dir.c:797 [inline]
fuse_atomic_open+0x2914/0x34e0 fs/fuse/dir.c:858
atomic_open fs/namei.c:3120 [inline]
lookup_open fs/namei.c:3225 [inline]
open_last_lookups fs/namei.c:3323 [inline]
path_openat+0xff0/0x3000 fs/namei.c:3512
do_filp_open+0x21c/0x460 fs/namei.c:3542
do_sys_openat2+0x13f/0x6f0 fs/open.c:1217
do_sys_open fs/open.c:1233 [inline]
__do_sys_openat fs/open.c:1249 [inline]
__se_sys_openat fs/open.c:1244 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1244
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7ff96c0b0bd9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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:00007ff96c02a148 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff96c02a150 RCX: 00007ff96c0b0bd9
RDX: 0000000000080041 RSI: 00000000200001c0 RDI: 00000000ffffff9c
RBP: 0000000000000002 R08: 00007ff96c029ee6 R09: 0000000000003331
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff96c13b40c
R13: 000000000000006e R14: 00007ffedab1ced0 R15: 00007ffedab1cfb8
Modules linked in:
---[ end trace 5cbadfa5405db03d ]---
RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:933 [inline]
RIP: 0010:fuse_file_put+0x11b/0x2420 fs/fuse/file.c:125
Code: f0 41 0f c1 5e 28 bf 01 00 00 00 89 de e8 0d e9 6b ff 83 fb 01 0f 85 e4 00 00 00 4c 89 e9 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 <80> 3c 08 00 74 08 4c 89 ef e8 f7 51 a9 ff 4c 8d bc 24 c0 00 00 00
RSP: 0018:ffffc90000b96f00 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffff88811edacf00 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000b972a0 R08: ffffffff81fec0c3 R09: ffffed1023393bc6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000028 R14: ffff888119c9de00 R15: ffff888119c9de28
FS: 00007ff96c02a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005626e31bb958 CR3: 000000011eb6d000 CR4: 00000000003506a0
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 81 18 00 00 call 0x1891
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