audit: type=1400 audit(1664830404.293:8): avc: denied { kernel } for pid=3670 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 112 at kernel/events/core.c:2233 event_filter_match+0x422/0x660 Modules linked in: CPU: 0 PID: 112 Comm: systemd-journal Not tainted 6.0.0-rc7-next-20220930 #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 00 9d 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 d5 a1 23 00 e9 17 fc ff ff e8 4b 33 f1 ff 48 8d 7b RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046 RAX: 0000000080010001 RBX: ffff888018410000 RCX: 0000000000000000 RDX: ffff88801002b580 RSI: ffffffff8154d8d2 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: ffff888018410220 R13: 0000000000000000 R14: ffff8880184100a8 R15: ffff888018410220 FS: 00007f58c3fa8900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6399ec0570 CR3: 000000000f1aa000 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:__sanitizer_cov_trace_pc+0x7/0x70 Code: 00 66 90 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 e9 1d 2f 1a 03 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 8b 05 49 62 bc 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 6e 02 00 a9 RSP: 0018:ffff888018817a48 EFLAGS: 00000246 RAX: 0000000080000000 RBX: ffffffff855dcee0 RCX: 0000000000000000 RDX: ffff88801002b580 RSI: ffffffff81e4926b RDI: ffff88800e9b8c80 RBP: ffff88800e9b8c80 R08: 00000000ffffffff R09: 0000000000000001 R10: fffffbfff0a99ec8 R11: 0000000000000001 R12: ffff88800e9b8c80 R13: ffff88800e9b8c80 R14: 0000000000000000 R15: ffff888018817c30 selinux_file_alloc_security+0xc/0x160 security_file_alloc+0xac/0x170 __alloc_file+0xb6/0x240 alloc_empty_file+0x6d/0x170 path_openat+0xd4/0x27b0 do_filp_open+0x1b6/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f58c4861c64 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44 RSP: 002b:00007ffc47650880 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055933f737d60 RCX: 00007f58c4861c64 RDX: 0000000000080802 RSI: 000055933f7590b0 RDI: 00000000ffffff9c RBP: 000055933f7590b0 R08: 0000000000000000 R09: ffffffffffffff01 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802 R13: 00000000fffffffa R14: 000055933f7479c0 R15: 0000000000000002 irq event stamp: 437104 hardirqs last enabled at (437103): [] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (437104): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (436602): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (436593): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 112 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110 Modules linked in: CPU: 0 PID: 112 Comm: systemd-journal Tainted: G W 6.0.0-rc7-next-20220930 #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 8d 77 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: 0000000080010001 RBX: ffff88806ce3d2c0 RCX: 0000000000000000 RDX: ffff88801002b580 RSI: ffffffff8156fe4b RDI: 0000000000000005 RBP: ffff888018410000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d2c0 R13: ffff88806ce00000 R14: ffff8880184100a8 R15: ffff888018410220 FS: 00007f58c3fa8900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6399ec0570 CR3: 000000000f1aa000 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:__sanitizer_cov_trace_pc+0x7/0x70 Code: 00 66 90 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 e9 1d 2f 1a 03 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 8b 05 49 62 bc 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 6e 02 00 a9 RSP: 0018:ffff888018817a48 EFLAGS: 00000246 RAX: 0000000080000000 RBX: ffffffff855dcee0 RCX: 0000000000000000 RDX: ffff88801002b580 RSI: ffffffff81e4926b RDI: ffff88800e9b8c80 RBP: ffff88800e9b8c80 R08: 00000000ffffffff R09: 0000000000000001 R10: fffffbfff0a99ec8 R11: 0000000000000001 R12: ffff88800e9b8c80 R13: ffff88800e9b8c80 R14: 0000000000000000 R15: ffff888018817c30 selinux_file_alloc_security+0xc/0x160 security_file_alloc+0xac/0x170 __alloc_file+0xb6/0x240 alloc_empty_file+0x6d/0x170 path_openat+0xd4/0x27b0 do_filp_open+0x1b6/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f58c4861c64 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44 RSP: 002b:00007ffc47650880 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055933f737d60 RCX: 00007f58c4861c64 RDX: 0000000000080802 RSI: 000055933f7590b0 RDI: 00000000ffffff9c RBP: 000055933f7590b0 R08: 0000000000000000 R09: ffffffffffffff01 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802 R13: 00000000fffffffa R14: 000055933f7479c0 R15: 0000000000000002 irq event stamp: 437104 hardirqs last enabled at (437103): [] _raw_spin_unlock_irqrestore+0x28/0x60 hardirqs last disabled at (437104): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (436602): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (436593): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ====================================================== ---------------- Code disassembly (best guess): 0: 00 66 90 add %ah,-0x70(%rsi) 3: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi a: e8 b4 ff ff ff callq 0xffffffc3 f: 31 c0 xor %eax,%eax 11: e9 1d 2f 1a 03 jmpq 0x31a2f33 16: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 1d: 00 00 00 00 21: 66 90 xchg %ax,%ax 23: 65 8b 05 49 62 bc 7e mov %gs:0x7ebc6249(%rip),%eax # 0x7ebc6273 * 2a: 89 c1 mov %eax,%ecx <-- trapping instruction 2c: 48 8b 34 24 mov (%rsp),%rsi 30: 81 e1 00 01 00 00 and $0x100,%ecx 36: 65 48 8b 14 25 c0 6e mov %gs:0x26ec0,%rdx 3d: 02 00 3f: a9 .byte 0xa9