general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 15798 Comm: syz-executor.2 Not tainted 6.1.0-rc2-next-20221028 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_parse_integer_fixup_radix+0x60/0x2a0
Code: 02 00 00 41 8b 2c 24 31 ff 89 ee e8 9a da 36 ff 85 ed 75 66 e8 61 de 36 ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 e6 01 00 00
RSP: 0018:ffff888043b0fa40 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900029a8000
RDX: 0000000000000000 RSI: ffffffff82113c0f RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043b0fa90
R13: ffff888043b0fbd8 R14: 000000007fffffff R15: ffff88801ea904d0
FS: 00007fc672f78700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31227000 CR3: 0000000016328000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
simple_strntoull+0x88/0x180
memparse+0x72/0x210
shmem_parse_one+0x142/0xb70
vfs_parse_fs_param+0x204/0x3d0
vfs_parse_fs_string+0xdb/0x190
shmem_parse_options+0x160/0x260
path_mount+0x12c8/0x1e30
__x64_sys_mount+0x282/0x310
do_syscall_64+0x3b/0xa0
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fc675a02b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc672f78188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc675b15f60 RCX: 00007fc675a02b19
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007fc675a5cf6d R08: 0000000020000240 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb79082cf R14: 00007fc672f78300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_parse_integer_fixup_radix+0x60/0x2a0
Code: 02 00 00 41 8b 2c 24 31 ff 89 ee e8 9a da 36 ff 85 ed 75 66 e8 61 de 36 ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 e6 01 00 00
RSP: 0018:ffff888043b0fa40 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900029a8000
RDX: 0000000000000000 RSI: ffffffff82113c0f RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043b0fa90
R13: ffff888043b0fbd8 R14: 000000007fffffff R15: ffff88801ea904d0
FS: 00007fc672f78700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31227000 CR3: 0000000016328000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 15835 Comm: syz-executor.2 Tainted: G D 6.1.0-rc2-next-20221028 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_parse_integer_fixup_radix+0x60/0x2a0
Code: 02 00 00 41 8b 2c 24 31 ff 89 ee e8 9a da 36 ff 85 ed 75 66 e8 61 de 36 ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 e6 01 00 00
RSP: 0018:ffff88800aac7a40 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002daa000
RDX: 0000000000000000 RSI: ffffffff82113c0f RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800aac7a90
R13: ffff88800aac7bd8 R14: 000000007fffffff R15: ffff8880434574d0
FS: 00007fc672f36700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cdcff92380 CR3: 0000000016328000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
simple_strntoull+0x88/0x180
memparse+0x72/0x210
shmem_parse_one+0x142/0xb70
vfs_parse_fs_param+0x204/0x3d0
vfs_parse_fs_string+0xdb/0x190
shmem_parse_options+0x160/0x260
path_mount+0x12c8/0x1e30
__x64_sys_mount+0x282/0x310
do_syscall_64+0x3b/0xa0
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fc675a02b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc672f36188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc675b160e0 RCX: 00007fc675a02b19
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007fc675a5cf6d R08: 0000000020000240 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb79082cf R14: 00007fc672f36300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_parse_integer_fixup_radix+0x60/0x2a0
Code: 02 00 00 41 8b 2c 24 31 ff 89 ee e8 9a da 36 ff 85 ed 75 66 e8 61 de 36 ff 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 e6 01 00 00
RSP: 0018:ffff888043b0fa40 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900029a8000
RDX: 0000000000000000 RSI: ffffffff82113c0f RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043b0fa90
R13: ffff888043b0fbd8 R14: 000000007fffffff R15: ffff88801ea904d0
FS: 00007fc672f36700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cdcff92380 CR3: 0000000016328000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 02 00 add (%rax),%al
2: 00 41 8b add %al,-0x75(%rcx)
5: 2c 24 sub $0x24,%al
7: 31 ff xor %edi,%edi
9: 89 ee mov %ebp,%esi
b: e8 9a da 36 ff callq 0xff36daaa
10: 85 ed test %ebp,%ebp
12: 75 66 jne 0x7a
14: e8 61 de 36 ff callq 0xff36de7a
19: 48 89 da mov %rbx,%rdx
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction
2e: 48 89 da mov %rbx,%rdx
31: 83 e2 07 and $0x7,%edx
34: 38 d0 cmp %dl,%al
36: 7f 08 jg 0x40
38: 84 c0 test %al,%al
3a: 0f 85 e6 01 00 00 jne 0x226