audit: type=1400 audit(1763322866.987:9): avc: denied { kernel } for pid=3930 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
vfat: Unknown parameter 'y&'BfHD;2ҶeNRM ¨% '
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] SMP KASAN NOPTI
tmpfs: Unsupported parameter 'huge'
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 1 UID: 0 PID: 3942 Comm: syz-executor.4 Not tainted 6.18.0-rc5-next-20251114 #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
audit: type=1400 audit(1763322867.027:10): avc: denied { write } for pid=3934 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
RSP: 0018:ffff888049a87db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc9000523e000
RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba
loop5: detected capacity change from 0 to 16383
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed1009350fa3
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888017078e38
R13: ffff888017078fec R14: ffffffff85cfdf20 R15: ffff88801c3ddbb8
FS: 00007f1d22bf0700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000000d97e000 CR4: 0000000000350ef0
Call Trace:
nsproxy_free+0xfa/0x5a0
SELinux: security_context_str_to_sid (tylteo_u) failed with errno=-22
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: 0033:0x7f1d2567ab19
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:00007f1d22bf0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f1d2578df60 RCX: 00007f1d2567ab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000060000080
RBP: 00007f1d256d4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb0bb5f1f R14: 00007f1d22bf0300 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:ffff888049a87db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc9000523e000
RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed1009350fa3
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888017078e38
R13: ffff888017078fec R14: ffffffff85cfdf20 R15: ffff88801c3ddbb8
FS: 00007f1d22bf0700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000000d97e000 CR4: 0000000000350ef0
tmpfs: Unsupported parameter 'huge'
loop1: detected capacity change from 0 to 4
EXT4-fs (loop1): couldn't mount RDWR because of unsupported optional features (ce0000)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 0 UID: 0 PID: 3953 Comm: syz-executor.4 Tainted: G D 6.18.0-rc5-next-20251114 #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
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:ffff888018687db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90005841000
RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10030d0fa3
R10: 0000000000000000 R11: ffff88801e6254d0 R12: ffff8880198d5110
R13: ffff8880198d52c4 R14: ffffffff85cfdf20 R15: ffff88800f1bbff8
FS: 00007f1d22bcf700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d22bae718 CR3: 000000000d97e000 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: 0033:0x7f1d2567ab19
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:00007f1d22bcf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f1d2578e020 RCX: 00007f1d2567ab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000024000000
RBP: 00007f1d256d4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb0bb5f1f R14: 00007f1d22bcf300 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:ffff888049a87db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc9000523e000
RDX: 0000000000000017 RSI: ffffffff817193a8 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed1009350fa3
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888017078e38
R13: ffff888017078fec R14: ffffffff85cfdf20 R15: ffff88801c3ddbb8
FS: 00007f1d22bcf700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d22bae718 CR3: 000000000d97e000 CR4: 0000000000350ef0
kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
----------------
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