BUG: unable to handle page fault for address: fffffbcfc745fe06
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6dfd0067 P4D 6dfd0067 PUD 6dec4067 PMD 6dec3067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 18054 Comm: syz-executor.0 Not tainted 6.1.0-rc5-next-20221114 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_desc+0x128/0x460
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff88803dbdfbf8 EFLAGS: 00010216
RAX: 1fffffcfc745fe06 RBX: fffffe7e3a2ff030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803dbdfcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11007b7bf7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007f3517e71700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcfc745fe06 CR3: 00000000368de000 CR4: 0000000000350ef0
Call Trace:
insn_get_code_seg_params+0xab/0x1b0
insn_decode_from_regs+0x72/0x190
fixup_umip_exception+0xcb/0x6d0
exc_general_protection+0x161/0x220
asm_exc_general_protection+0x26/0x30
RIP: 0033:0x7f351a8dcabd
Code: 8b 81 0c 01 00 00 44 8b 89 08 01 00 00 48 8b 54 24 d8 c1 e0 04 8d b8 7f 01 00 00 83 e7 c0 45 85 c9 74 07 89 d0 31 d2 41 f7 f1 41 0f 6f 00 89 d0 c1 e0 06 48 01 c6 0f 11 06 f3 41 0f 6f 48 10
RSP: 002b:00007f3517e71178 EFLAGS: 00010212
RAX: 0000000000000000 RBX: 00007f351aa510e0 RCX: 0000000020ffc000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000020140
RBP: 00007f351a997f6d R08: 9999999999999999 R09: 0000000000001000
R10: 0000000000000000 R11: 00000000001dc3da R12: 0000000000000000
R13: 00007fffeae07d1f R14: 00007f3517e71300 R15: 0000000000022000
Modules linked in:
CR2: fffffbcfc745fe06
---[ end trace 0000000000000000 ]---
RIP: 0010:get_desc+0x128/0x460
Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de
RSP: 0000:ffff88803dbdfbf8 EFLAGS: 00010216
RAX: 1fffffcfc745fe06 RBX: fffffe7e3a2ff030 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006
RBP: ffff88803dbdfcb8 R08: 0000000000000006 R09: 000000000000007f
R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11007b7bf7f
R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f
FS: 00007f3517e71700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbcfc745fe06 CR3: 00000000368de000 CR4: 0000000000350ef0
sysctl could not get directory: /net -12
CPU: 1 PID: 18062 Comm: syz-executor.6 Tainted: G D 6.1.0-rc5-next-20221114 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8f/0xb7
__register_sysctl_table+0xdf7/0x1150
nf_log_net_init+0x105/0x370
ops_init+0xbb/0x680
setup_net+0x40c/0x9d0
copy_net_ns+0x31c/0x760
create_new_namespaces+0x3f6/0xb30
copy_namespaces+0x3b7/0x4a0
copy_process+0x29e3/0x7220
kernel_clone+0xeb/0x950
__do_sys_clone3+0x1d9/0x370
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7ff3b5895b19
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:00007ff3b2e0b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007ff3b59a8f60 RCX: 00007ff3b5895b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00
RBP: 00007ff3b2e0b1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fffb1f586bf R14: 00007ff3b2e0b300 R15: 0000000000022000
sysctl could not get directory: /net/netfilter -12
CPU: 0 PID: 18070 Comm: syz-executor.7 Tainted: G D 6.1.0-rc5-next-20221114 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8f/0xb7
__register_sysctl_table+0xdf7/0x1150
nf_log_net_init+0x105/0x370
ops_init+0xbb/0x680
setup_net+0x40c/0x9d0
copy_net_ns+0x31c/0x760
create_new_namespaces+0x3f6/0xb30
copy_namespaces+0x3b7/0x4a0
copy_process+0x29e3/0x7220
kernel_clone+0xeb/0x950
__do_sys_clone3+0x1d9/0x370
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7ff11ca66b19
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:00007ff119fdc188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007ff11cb79f60 RCX: 00007ff11ca66b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00
RBP: 00007ff119fdc1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffff3e3dd4f R14: 00007ff119fdc300 R15: 0000000000022000
sysctl could not get directory: /net/netfilter/nf_log -12
CPU: 0 PID: 18074 Comm: syz-executor.2 Tainted: G D 6.1.0-rc5-next-20221114 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8f/0xb7
__register_sysctl_table+0xdf7/0x1150
nf_log_net_init+0x105/0x370
ops_init+0xbb/0x680
setup_net+0x40c/0x9d0
copy_net_ns+0x31c/0x760
create_new_namespaces+0x3f6/0xb30
copy_namespaces+0x3b7/0x4a0
copy_process+0x29e3/0x7220
kernel_clone+0xeb/0x950
__do_sys_clone3+0x1d9/0x370
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f8afa670b19
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:00007f8af7be6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f8afa783f60 RCX: 00007f8afa670b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00
RBP: 00007f8af7be61d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fffe91d614f R14: 00007f8af7be6300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: e2 02 loop 0x4
2: 00 00 add %al,(%rax)
4: 83 e0 07 and $0x7,%eax
7: 38 c2 cmp %al,%dl
9: 0f 9e c1 setle %cl
c: 84 d2 test %dl,%dl
e: 0f 95 c0 setne %al
11: 84 c1 test %al,%cl
13: 0f 85 cd 02 00 00 jne 0x2e6
19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
20: fc ff df
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 0f b6 0c 10 movzbl (%rax,%rdx,1),%ecx <-- trapping instruction
2e: 48 8d 43 07 lea 0x7(%rbx),%rax
32: 48 89 c6 mov %rax,%rsi
35: 48 c1 ee 03 shr $0x3,%rsi
39: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx
3d: 48 89 de mov %rbx,%rsi