Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 1 UID: 0 PID: 4390 Comm: syz-executor.6 Not tainted 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:put_pid_ns+0x30/0x80
Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8
RSP: 0018:ffff88800ade7db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90006216000
RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10015bcfa3
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a104b60
R13: ffff88801a104d14 R14: ffffffff85cfbf20 R15: ffff88800b6adbb8
FS: 00007f1286921700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d132000 CR3: 000000000b3c6000 CR4: 0000000000350ef0
Call Trace:
nsproxy_free+0xfa/0x5a0
create_new_namespaces+0x585/0x750
unshare_nsproxy_namespaces+0xc0/0x200
ksys_unshare+0x468/0xa10
__x64_sys_unshare+0x31/0x40
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12893abb19
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:00007f1286921188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f12894bef60 RCX: 00007f12893abb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000064040080
RBP: 00007f1289405f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdca904d1f R14: 00007f1286921300 R15: 0000000000022000
Modules linked in:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#2] SMP KASAN NOPTI
---[ end trace 0000000000000000 ]---
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 0 UID: 0 PID: 4397 Comm: syz-executor.6 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary)
Tainted: [D]=DIE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:put_pid_ns+0x30/0x80
RIP: 0010:put_pid_ns+0x30/0x80
Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8
Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8
RSP: 0018:ffff888015517db0 EFLAGS: 00010216
RSP: 0018:ffff88800ade7db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffc9000701d000
RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90006216000
RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664ca57 R11: ffff88806ce37298 R12: ffff88801a104888
RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba
R13: ffff88801a104a3c R14: ffffffff85cfbf20 R15: ffff88801359a438
FS: 00007f1286900700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10015bcfa3
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a104b60
CR2: 00007fc19315f620 CR3: 000000000b3c6000 CR4: 0000000000350ef0
Call Trace:
R13: ffff88801a104d14 R14: ffffffff85cfbf20 R15: ffff88800b6adbb8
nsproxy_free+0xfa/0x5a0
FS: 00007f1286921700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
create_new_namespaces+0x585/0x750
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
unshare_nsproxy_namespaces+0xc0/0x200
CR2: 0000001b2d132000 CR3: 000000000b3c6000 CR4: 0000000000350ef0
ksys_unshare+0x468/0xa10
__x64_sys_unshare+0x31/0x40
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12893abb19
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:00007f1286900188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f12894bf020 RCX: 00007f12893abb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000028000280
RBP: 00007f1289405f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdca904d1f R14: 00007f1286900300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_pid_ns+0x30/0x80
Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8
RSP: 0018:ffff88800ade7db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90006216000
RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10015bcfa3
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a104b60
R13: ffff88801a104d14 R14: ffffffff85cfbf20 R15: ffff88800b6adbb8
FS: 00007f1286900700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc19315f620 CR3: 000000000b3c6000 CR4: 0000000000350ef0
Bluetooth: hci7: command 0x0405 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 4440 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary)
Tainted: [D]=DIE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_noprof+0xcd/0x680
iovec_from_user+0xfe/0x130
__import_iovec+0x88/0x4c0
import_iovec+0x86/0xb0
vfs_readv+0x124/0x7f0
do_readv+0x129/0x330
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff217ba1b19
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:00007ff215117188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007ff217cb4f60 RCX: 00007ff217ba1b19
RDX: 0000000000000009 RSI: 0000000020001380 RDI: 0000000000000003
RBP: 00007ff2151171d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe54dd50f R14: 00007ff215117300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 4461 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary)
Tainted: [D]=DIE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kvmalloc_node_noprof+0x11f/0x770
seq_read_iter+0x82f/0x1320
seq_read+0x375/0x540
proc_reg_read+0x22e/0x310
vfs_readv+0x612/0x7f0
do_readv+0x129/0x330
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff217ba1b19
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:00007ff215117188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007ff217cb4f60 RCX: 00007ff217ba1b19
RDX: 0000000000000009 RSI: 0000000020001380 RDI: 0000000000000003
RBP: 00007ff2151171d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe54dd50f R14: 00007ff215117300 R15: 0000000000022000
9pnet_fd: p9_fd_create_tcp (4466): problem connecting socket to 127.0.0.1
loop6: detected capacity change from 0 to 2048
9pnet_fd: p9_fd_create_tcp (4477): problem connecting socket to 127.0.0.1
EXT4-fs warning (device loop6): ext4_multi_mount_protect:328: MMP startup interrupted, failing mount
----------------
Code disassembly (best guess):
0: 89 fd mov %edi,%ebp
2: 53 push %rbx
3: e8 42 a0 03 00 callq 0x3a04a
8: 48 85 ed test %rbp,%rbp
b: 74 3d je 0x4a
d: e8 38 a0 03 00 callq 0x3a04a
12: 48 8d bd d0 00 00 00 lea 0xd0(%rbp),%rdi
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 75 35 jne 0x65
30: 48 8b 9d d0 00 00 00 mov 0xd0(%rbp),%rbx
37: bf 08 00 00 00 mov $0x8,%edi
3c: 48 89 de mov %rbx,%rsi
3f: e8 .byte 0xe8