audit: type=1400 audit(1756752779.133:9): avc: denied { kernel } for pid=3939 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
syz-executor.4 (3950) used greatest stack depth: 24128 bytes left
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.1/3945
Modules linked in:
CPU: 1 UID: 0 PID: 3945 Comm: syz-executor.1 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 d6 30 81 04 01 e8 71 df 91 ff e9 41 fc ff ff e8 27 47 b4 ff 31 ff 44 89 ee e8 4d 42 b4 ff 45 85 ed 79 09 e8 13 47 b4 ff 90 <0f> 0b 90 e8 0a 47 b4 ff e8 b5 2d fc 02 31 ff 89 c5 89 c6 e8 2a 42
RSP: 0018:ffff88800ddef9c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11001bbdf3d RCX: ffffffff81bfaf93
RDX: ffff888046073700 RSI: ffffffff81bfaf9d RDI: 0000000000000005
RBP: ffff88801e5f0e00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88800ddefa28
R13: 00000000ffffffff R14: dead000000000100 R15: ffff88801e5f0e00
FS: 0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1285336200 CR3: 000000000e04f000 CR4: 0000000000350ef0
Call Trace:
namespace_unlock+0x7f1/0x810
put_mnt_ns+0xf5/0x120
free_nsproxy+0x3a/0x400
switch_task_namespaces+0xe2/0x100
do_exit+0x841/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
exit_to_user_mode_loop+0x8b/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff265f75b19
Code: Unable to access opcode bytes at 0x7ff265f75aef.
RSP: 002b:00007ff2634eb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ff266088f68 RCX: 00007ff265f75b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff266088f68
RBP: 00007ff266088f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff266088f6c
R13: 00007ffdd7672cbf R14: 00007ff2634eb300 R15: 0000000000022000
irq event stamp: 5599
hardirqs last enabled at (5607): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (5616): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (5092): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (5085): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xe7fffc0000000032: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x4000000000000190-0x4000000000000197]
CPU: 0 UID: 0 PID: 3983 Comm: syz-executor.1 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801601f800 EFLAGS: 00010212
RAX: 0800000000000032 RBX: 3fffffffffffffa0 RCX: ffffc900009f6000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 4000000000000190
RBP: ffff88801601fa70 R08: ffff88806ce31340 R09: ffffe8ffffc15f40
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007ff2634eb700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ea3279018 CR3: 000000000e730000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff265f75b19
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:00007ff2634eb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ff266088f68 RCX: 00007ff265f75b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff266088f6c
RBP: 00007ff266088f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007ff266088f6c
R13: 00007ffdd7672cbf R14: 00007ff2634eb300 R15: 0000000000022000
Modules linked in:
Oops: general protection fault, probably for non-canonical address 0xe7fffc0000000032: 0000 [#2] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x4000000000000190-0x4000000000000197]
CPU: 0 UID: 0 PID: 3983 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806ce08a80 EFLAGS: 00010012
RAX: 0800000000000032 RBX: 3fffffffffffffa0 RCX: ffffffff818998a3
RDX: ffff88800dde0000 RSI: ffffffff8189a4e7 RDI: 4000000000000190
RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc15f40
R10: 0000000000000000 R11: 746e756f63716573 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88806ce31490 R15: dffffc0000000000
FS: 00007ff2634eb700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ea3279018 CR3: 000000000e730000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
ktime_get_update_offsets_now+0xab/0x3c0
hrtimer_interrupt+0x114/0x830
__sysvec_apic_timer_interrupt+0xbb/0x330
sysvec_apic_timer_interrupt+0x6b/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:oops_exit+0x0/0x50
Code: 00 3a 00 be ff ff ff ff 48 c7 c7 50 b4 43 86 e8 c6 0f f9 ff 5b e9 50 00 3a 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 36 00 3a 00 8b 1d c0 3d 4f 06 31 ff 89 de e8 57
RSP: 0018:ffff88801601f690 EFLAGS: 00000202
RAX: 000000000002c2da RBX: 0000000000000202 RCX: ffffc900009f6000
RDX: 0000000000040000 RSI: ffffffff812a3dca RDI: 0000000000000007
RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f12690
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801601f758
R13: 0000000000000000 R14: e7fffc0000000032 R15: 0000000000000000
oops_end+0x65/0xe0
exc_general_protection+0x1a2/0x330
asm_exc_general_protection+0x26/0x30
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801601f800 EFLAGS: 00010212
RAX: 0800000000000032 RBX: 3fffffffffffffa0 RCX: ffffc900009f6000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 4000000000000190
RBP: ffff88801601fa70 R08: ffff88806ce31340 R09: ffffe8ffffc15f40
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88806ce31340 R15: dffffc0000000000
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock+0x337/0x5d0
lock_release+0x1ab/0x290
futex_ref_get+0x119/0x300
futex_hash+0x70/0x390
futex_wake+0x143/0x540
do_futex+0x26d/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff265f75b19
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:00007ff2634eb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ff266088f68 RCX: 00007ff265f75b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff266088f6c
RBP: 00007ff266088f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007ff266088f6c
R13: 00007ffdd7672cbf R14: 00007ff2634eb300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801601f800 EFLAGS: 00010212
RAX: 0800000000000032 RBX: 3fffffffffffffa0 RCX: ffffc900009f6000
RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 4000000000000190
RBP: ffff88801601fa70 R08: ffff88806ce31340 R09: ffffe8ffffc15f40
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88806ce31340 R15: dffffc0000000000
FS: 00007ff2634eb700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ea3279018 CR3: 000000000e730000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 48 89 fisttps -0x77(%rax)
3: 85 a8 fd ff ff 48 test %ebp,0x48fffffd(%rax)
9: c1 e8 03 shr $0x3,%eax
c: 4c 01 e0 add %r12,%rax
f: 48 89 85 c8 fd ff ff mov %rax,-0x238(%rbp)
16: e8 c9 51 ea ff callq 0xffea51e4
1b: 48 8d bb f0 01 00 00 lea 0x1f0(%rbx),%rdi
22: 48 89 f8 mov %rdi,%rax
25: 48 c1 e8 03 shr $0x3,%rax
* 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 03 cmp $0x3,%al
34: 0f 8e c5 0b 00 00 jle 0xbff
3a: 44 rex.R
3b: 8b .byte 0x8b
3c: ab stos %eax,%es:(%rdi)
3d: f0 lock
3e: 01 .byte 0x1