audit: type=1400 audit(1664343610.282:8): avc: denied { kernel } for pid=4046 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4044 at kernel/events/core.c:2233 event_filter_match+0x422/0x660 Modules linked in: CPU: 0 PID: 4044 Comm: syz-executor.7 Not tainted 6.0.0-rc7-next-20220927 #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 bb 2e f1 ff 65 8b 2d 30 94 ad 7e 31 ff 89 ee e8 5b 2b f1 ff 85 ed 0f 84 ef 00 00 00 e8 9e 2e f1 ff <0f> 0b eb 9f e8 45 a5 23 00 e9 17 fc ff ff e8 8b 2e f1 ff 48 8d 7b RSP: 0018:ffff88806ce09c70 EFLAGS: 00010046 RAX: 0000000000010001 RBX: ffff8880406a8000 RCX: 0000000000000000 RDX: ffff888017733580 RSI: ffffffff8154e1a2 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: ffff8880406a8220 R13: 0000000000000000 R14: ffff8880406a80a8 R15: ffff8880406a8220 FS: 00005555568da400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcbd1eb5f64 CR3: 000000002075e000 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:__slab_free+0x192/0x380 Code: 00 0f 89 28 ff ff ff 48 83 c4 60 48 89 ee 4c 89 ef ba 01 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e3 c9 ff ff 80 4c 24 33 80 d7 fe ff ff 66 85 db 0f 84 9c 00 00 00 66 90 48 83 c4 60 4c 89 RSP: 0018:ffff88803fcc7820 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000120011 RCX: dead000000120012 RDX: ffff88800939c000 RSI: ffffea000024e700 RDI: ffff888007c4f780 RBP: ffffea000024e700 R08: 0000000000000001 R09: ffffffff81788e8f R10: ffffea000024e700 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888007c4f780 R14: ffff88800939c000 R15: ffff88800939c000 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x184/0x210 __kasan_slab_alloc+0x48/0x70 kmem_cache_alloc+0x1a9/0x3e0 vm_area_dup+0x7f/0x230 __split_vma+0xa2/0x5d0 split_vma+0x9f/0xe0 mprotect_fixup+0x691/0x8c0 do_mprotect_pkey+0x6fb/0xa70 __x64_sys_mprotect+0x74/0xb0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcbd1da2c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007ffd7c22d338 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007fcbd1da2c27 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fcbcf2f9000 RBP: 00007ffd7c22d410 R08: 00000000ffffffff R09: 00007fcbcf318700 R10: 0000000000020022 R11: 0000000000000206 R12: 00007ffd7c22d520 R13: 00007fcbcf318700 R14: 0000000000000000 R15: 0000000000022000 irq event stamp: 2834 hardirqs last enabled at (2833): [] put_cpu_partial+0x111/0x1c0 hardirqs last disabled at (2834): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (1874): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (1807): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4044 at kernel/events/core.c:2557 merge_sched_in+0xadb/0x1110 Modules linked in: CPU: 0 PID: 4044 Comm: syz-executor.7 Tainted: G W 6.0.0-rc7-next-20220927 #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 e8 08 ef ff 65 8b 05 5d 6e ab 7e 31 ff 89 c6 89 04 24 e8 85 05 ef ff 8b 04 24 85 c0 0f 84 13 02 00 00 e8 c5 08 ef ff <0f> 0b e9 c4 fb ff ff e8 b9 08 ef ff 4c 89 e8 48 05 18 01 00 00 e9 RSP: 0018:ffff88806ce09cb0 EFLAGS: 00010046 RAX: 0000000000010001 RBX: ffff88806ce3d140 RCX: 0000000000000000 RDX: ffff888017733580 RSI: ffffffff8157077b RDI: 0000000000000005 RBP: ffff8880406a8000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: ffff88806ce3d140 R13: ffff88806ce00000 R14: ffff8880406a80a8 R15: ffff8880406a8220 FS: 00005555568da400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcbd1eb5f64 CR3: 000000002075e000 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:__slab_free+0x192/0x380 Code: 00 0f 89 28 ff ff ff 48 83 c4 60 48 89 ee 4c 89 ef ba 01 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e3 c9 ff ff 80 4c 24 33 80 d7 fe ff ff 66 85 db 0f 84 9c 00 00 00 66 90 48 83 c4 60 4c 89 RSP: 0018:ffff88803fcc7820 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000120011 RCX: dead000000120012 RDX: ffff88800939c000 RSI: ffffea000024e700 RDI: ffff888007c4f780 RBP: ffffea000024e700 R08: 0000000000000001 R09: ffffffff81788e8f R10: ffffea000024e700 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888007c4f780 R14: ffff88800939c000 R15: ffff88800939c000 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x184/0x210 __kasan_slab_alloc+0x48/0x70 kmem_cache_alloc+0x1a9/0x3e0 vm_area_dup+0x7f/0x230 __split_vma+0xa2/0x5d0 split_vma+0x9f/0xe0 mprotect_fixup+0x691/0x8c0 do_mprotect_pkey+0x6fb/0xa70 __x64_sys_mprotect+0x74/0xb0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcbd1da2c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007ffd7c22d338 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007fcbd1da2c27 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fcbcf2f9000 RBP: 00007ffd7c22d410 R08: 00000000ffffffff R09: 00007fcbcf318700 R10: 0000000000020022 R11: 0000000000000206 R12: 00007ffd7c22d520 R13: 00007fcbcf318700 R14: 0000000000000000 R15: 0000000000022000 irq event stamp: 2834 hardirqs last enabled at (2833): [] put_cpu_partial+0x111/0x1c0 hardirqs last disabled at (2834): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (1874): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (1807): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- audit: type=1326 audit(1664343610.458:9): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4043 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f18e8e32b19 code=0x0 loop6: detected capacity change from 0 to 101 9pnet: Could not find request transport: rdma loop6: detected capacity change from 0 to 101 9pnet: Could not find request transport: rdma ------------[ cut here ]------------ ====================================================== ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 0f 89 28 ff ff ff jns 0xffffff2e 6: 48 83 c4 60 add $0x60,%rsp a: 48 89 ee mov %rbp,%rsi d: 4c 89 ef mov %r13,%rdi 10: ba 01 00 00 00 mov $0x1,%edx 15: 5b pop %rbx 16: 5d pop %rbp 17: 41 5c pop %r12 19: 41 5d pop %r13 1b: 41 5e pop %r14 1d: 41 5f pop %r15 1f: e9 e3 c9 ff ff jmpq 0xffffca07 24: 80 4c 24 33 80 orb $0x80,0x33(%rsp) * 29: e9 d7 fe ff ff jmpq 0xffffff05 <-- trapping instruction 2e: 66 85 db test %bx,%bx 31: 0f 84 9c 00 00 00 je 0xd3 37: 66 90 xchg %ax,%ax 39: 48 83 c4 60 add $0x60,%rsp 3d: 4c rex.WR 3e: 89 .byte 0x89