audit: type=1400 audit(1664933765.036:8): avc: denied { kernel } for pid=3735 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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at kernel/events/core.c:2233 event_filter_match+0x422/0x660
Modules linked in:
CPU: 0 PID: 1 Comm: systemd Not tainted 6.0.0-next-20221004 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:event_filter_match+0x422/0x660
Code: 00 00 00 e9 7c fc ff ff e8 7b 33 f1 ff 65 8b 2d 20 8d ad 7e 31 ff 89 ee e8 1b 30 f1 ff 85 ed 0f 84 ef 00 00 00 e8 5e 33 f1 ff <0f> 0b eb 9f e8 25 9f 23 00 e9 17 fc ff ff e8 4b 33 f1 ff 48 8d 7b
RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88801d680000 RCX: 0000000000000000
RDX: ffff888008530000 RSI: ffffffff8154e8b2 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff865b601b R12: ffff88801d680220
R13: 0000000000000000 R14: ffff88801d6800a8 R15: ffff88801d680220
FS: 00007fa09e3cf900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1dbe692620 CR3: 000000000faac000 CR4: 0000000000350ef0
Call Trace:
merge_sched_in+0x107/0x1110
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__orc_find+0x6f/0xf0
Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01
RSP: 0018:ffff88800853f8e8 EFLAGS: 00000213
RAX: 1ffffffff0b6f6e3 RBX: ffffffff85b7b71c RCX: ffffffff8133f8b8
RDX: 0000000000000000 RSI: ffffffff85e7ea64 RDI: ffffffff85b7b700
RBP: ffffffff85b7b700 R08: ffffffff85e7ea64 R09: ffffffff85e56c2e
R10: ffffed10010a7f43 R11: 000000000003603d R12: ffffffff85b7b73c
R13: ffffffff85b7b700 R14: ffffffff85b7b700 R15: dffffc0000000000
unwind_next_frame+0x2b4/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
__kasan_record_aux_stack+0x95/0xb0
call_rcu+0x6a/0xa30
__kmem_cache_free+0x91/0x400
kvfree+0x42/0x50
single_release+0x75/0xb0
__fput+0x263/0xa40
task_work_run+0x170/0x280
exit_to_user_mode_prepare+0x199/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa09eba1d77
Code: 44 00 00 48 8b 15 19 a1 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 e9 a0 0c 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffc4594b368 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000055bf15707bf0 RCX: 00007fa09eba1d77
RDX: 00007fa09ec6d8a0 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000008000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa09ec6e4a0
R13: 0000000000000000 R14: 00007ffc4594b4b0 R15: 000055bf15719110
irq event stamp: 7030436
hardirqs last enabled at (7030435): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (7030436): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (7030302): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (7030215): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110
Modules linked in:
CPU: 0 PID: 1 Comm: systemd Tainted: G W 6.0.0-next-20221004 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:merge_sched_in+0xadb/0x1110
Code: ff ff e8 08 0e ef ff 65 8b 05 ad 67 ab 7e 31 ff 89 c6 89 04 24 e8 a5 0a ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 e5 0d ef ff <0f> 0b e9 c4 fb ff ff e8 d9 0d ef ff 4c 89 e8 48 05 18 01 00 00 e9
RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffff88806ce3d2c0 RCX: 0000000000000000
RDX: ffff888008530000 RSI: ffffffff81570e2b RDI: 0000000000000005
RBP: ffff88801d680000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806ce3d2c0
R13: ffff88806ce00000 R14: ffff88801d6800a8 R15: ffff88801d680220
FS: 00007fa09e3cf900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1dbe692620 CR3: 000000000faac000 CR4: 0000000000350ef0
Call Trace:
visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0
ctx_sched_in+0x2e6/0x770
perf_event_sched_in+0x75/0x80
ctx_resched+0x1ce/0x390
__perf_install_in_context+0x285/0x9c0
remote_function+0x125/0x1b0
__flush_smp_call_function_queue+0x1df/0x5a0
__sysvec_call_function_single+0x92/0x3a0
sysvec_call_function_single+0x89/0xc0
asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__orc_find+0x6f/0xf0
Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01
RSP: 0018:ffff88800853f8e8 EFLAGS: 00000213
RAX: 1ffffffff0b6f6e3 RBX: ffffffff85b7b71c RCX: ffffffff8133f8b8
RDX: 0000000000000000 RSI: ffffffff85e7ea64 RDI: ffffffff85b7b700
RBP: ffffffff85b7b700 R08: ffffffff85e7ea64 R09: ffffffff85e56c2e
R10: ffffed10010a7f43 R11: 000000000003603d R12: ffffffff85b7b73c
R13: ffffffff85b7b700 R14: ffffffff85b7b700 R15: dffffc0000000000
unwind_next_frame+0x2b4/0x20b0
arch_stack_walk+0x83/0xf0
stack_trace_save+0x8c/0xc0
kasan_save_stack+0x1e/0x40
__kasan_record_aux_stack+0x95/0xb0
call_rcu+0x6a/0xa30
__kmem_cache_free+0x91/0x400
kvfree+0x42/0x50
single_release+0x75/0xb0
__fput+0x263/0xa40
task_work_run+0x170/0x280
exit_to_user_mode_prepare+0x199/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa09eba1d77
Code: 44 00 00 48 8b 15 19 a1 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 e9 a0 0c 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffc4594b368 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000055bf15707bf0 RCX: 00007fa09eba1d77
RDX: 00007fa09ec6d8a0 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000008000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa09ec6e4a0
R13: 0000000000000000 R14: 00007ffc4594b4b0 R15: 000055bf15719110
irq event stamp: 7030436
hardirqs last enabled at (7030435): [] _raw_spin_unlock_irqrestore+0x28/0x60
hardirqs last disabled at (7030436): [] sysvec_call_function_single+0xb/0xc0
softirqs last enabled at (7030302): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (7030215): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3732 at kernel/events/core.c:2233 perf_iterate_sb+0x5d8/0xb30
Modules linked in:
CPU: 0 PID: 3732 Comm: modprobe Tainted: G W 6.0.0-next-20221004 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:perf_iterate_sb+0x5d8/0xb30
Code: e8 ed 3b f0 ff 65 8b 05 92 95 ac 7e 31 ff 89 c6 89 44 24 08 e8 89 38 f0 ff 8b 44 24 08 85 c0 0f 84 fd 02 00 00 e8 c8 3b f0 ff <0f> 0b e8 c1 3b f0 ff 48 8d bb 90 00 00 00 48 89 f8 48 c1 e8 03 80
RSP: 0018:ffff88800fd2fa78 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801d680000 RCX: 0000000000000000
RDX: ffff88803e29b580 RSI: ffffffff8155e048 RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801d680220
R13: 000000000003d2c0 R14: ffff88800fd2fb38 R15: ffff88806ce33860
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1dbe692620 CR3: 0000000008d88000 CR4: 0000000000350ef0
Call Trace:
perf_event_mmap+0x724/0xd20
mmap_region+0xf59/0x1a00
do_mmap+0x828/0xf40
vm_mmap_pgoff+0x1af/0x270
ksys_mmap_pgoff+0x79/0x4f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5c2c04ad82
Code: eb aa 66 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 33 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 56 5b 5d c3 0f 1f 00 c7 05 ae 03 01 00 16 00
RSP: 002b:00007ffcae5ab298 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f5c2c04ad82
RDX: 0000000000000003 RSI: 0000000000003508 RDI: 00007f5c2bd09000
RBP: 00007f5c2bd09000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000032 R11: 0000000000000206 R12: 00007f5c2c029a20
R13: 00007ffcae5ab2b0 R14: 00007ffcae5ab340 R15: 00007ffcae5ab6d0
irq event stamp: 8819
hardirqs last enabled at (8829): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (8840): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (8730): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (8723): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1664933768.556:9): avc: denied { relabelto } for pid=3970 comm="syz-executor.7" name="file0" dev="sda" ino=15980 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:ksm_device_t:s0 tclass=file permissive=1
----------------
Code disassembly (best guess):
0: 72 4d jb 0x4f
2: 4c 89 e0 mov %r12,%rax
5: 48 29 e8 sub %rbp,%rax
8: 48 89 c2 mov %rax,%rdx
b: 48 c1 e8 3f shr $0x3f,%rax
f: 48 c1 fa 02 sar $0x2,%rdx
13: 48 01 d0 add %rdx,%rax
16: 48 d1 f8 sar %rax
19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx
1e: 48 89 d8 mov %rbx,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx
* 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction
2d: 83 e0 07 and $0x7,%eax
30: 83 c0 03 add $0x3,%eax
33: 38 d0 cmp %dl,%al
35: 7c 04 jl 0x3b
37: 84 d2 test %dl,%dl
39: 75 50 jne 0x8b
3b: 48 63 03 movslq (%rbx),%rax
3e: 48 rex.W
3f: 01 .byte 0x1