audit: type=1400 audit(1756683818.183:8): avc: denied { open } for pid=3937 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 audit: type=1400 audit(1756683818.183:9): avc: denied { kernel } for pid=3937 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 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 0 UID: 0 PID: 3947 Comm: syz-executor.2 Tainted: G W 6.17.0-rc3-next-20250829 #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:ffff8880483ef780 EFLAGS: 00010012 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff888019595280 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff8880483ef9f0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 000055557f639400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f41023ea718 CR3: 000000001b51a000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 irqentry_enter+0x2a/0x60 sysvec_call_function_single+0x18/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 Code: 5d 41 5c 41 5d e9 a0 1f 4a 03 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 88 48 10 06 65 8b 05 99 48 10 RSP: 0018:ffff8880483efc48 EFLAGS: 00000202 RAX: ffffffff816727cc RBX: ffff888016734000 RCX: ffffffff816727ed RDX: ffff888019595280 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016734018 R13: ffff88800f5c0a80 R14: 00000000000f4240 R15: 00000000ffffffff futex_private_hash_put+0x164/0x2d0 futex_hash_put+0x3f/0x50 futex_wake+0x1bb/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbdebe8fb19 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:00007fffa956ed98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdebe8fb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fbdebfa2f68 RBP: 00007fbdebfa2f60 R08: 00007fbde9405700 R09: 0000000000000000 R10: 00007fbde9405700 R11: 0000000000000246 R12: 00007fbdebfa7070 R13: 00007fffa956eea0 R14: 00007fbdebfa2f60 R15: 0000000000021676 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] 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 CPU: 1 UID: 0 PID: 3949 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880483ef780 EFLAGS: 00010012 Tainted: [D]=DIE, [W]=WARN RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff888019595280 RSI: ffffffff818995b7 RDI: 0000000000000191 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff8880483ef9f0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 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 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 RSP: 0018:ffff8880483df780 EFLAGS: 00010012 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 000055557f639400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff888015a5d280 RSI: ffffffff818995b7 RDI: 0000000100000190 CR2: 00007f41023ea718 CR3: 000000001b51a000 CR4: 0000000000350ef0 RBP: ffff8880483df9f0 R08: ffff88806cf31340 R09: ffffe8ffffd05390 note: syz-executor.2[3947] exited with irqs disabled R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 note: syz-executor.2[3947] exited with preempt_count 1 R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00005555588e5400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d821000 CR3: 0000000009c42000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 try_to_wake_up+0xa0/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb648003b19 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:00007fff210dac88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb648003b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb648116f68 RBP: 00007fb648116f60 R08: 00007fb645579700 R09: 0000000000000000 R10: 00007fb645579700 R11: 0000000000000246 R12: 00007fb64811b088 R13: 00007fff210dad90 R14: 00007fb648116f60 R15: 000000000002167b Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] RIP: 0010:perf_tp_event+0x175/0xe70 CPU: 0 UID: 0 PID: 3944 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 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 Tainted: [D]=DIE, [W]=WARN RSP: 0018:ffff8880483ef780 EFLAGS: 00010012 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_tp_event+0x175/0xe70 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 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 RDX: ffff888019595280 RSI: ffffffff818995b7 RDI: 0000000000000191 RSP: 0018:ffff888046796f40 EFLAGS: 00010012 RBP: ffff8880483ef9f0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 RDX: ffff88801942d280 RSI: ffffffff818995b7 RDI: 0000000000000191 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 RBP: ffff8880467971b0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 FS: 00005555588e5400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 CR2: 0000001b2d821000 CR3: 0000000009c42000 CR4: 0000000000350ef0 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 note: syz-executor.7[3949] exited with irqs disabled CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f41023ea718 CR3: 000000001b51a000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 remove_entity_load_avg+0x76/0x250 task_dead_fair+0x9b/0x1c0 finish_task_switch.isra.0+0x55a/0x840 __schedule+0xe86/0x3590 __cond_resched+0x4c/0x80 __tlb_batch_free_encoded_pages+0x12e/0x2b0 tlb_flush_mmu+0xea/0x5b0 unmap_page_range+0x19a1/0x36d0 unmap_single_vma.constprop.0+0x153/0x230 unmap_vmas+0x1d6/0x430 exit_mmap+0x181/0xaa0 mmput+0xd5/0x390 do_exit+0x79d/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: 0033:0x7f1c09fb6b19 Code: Unable to access opcode bytes at 0x7f1c09fb6aef. RSP: 002b:00007f1c0752c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f1c0a0c9f68 RCX: 00007f1c09fb6b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1c0a0c9f68 RBP: 00007f1c0a0c9f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c0a0c9f6c R13: 00007ffd3ec4523f R14: 00007f1c0752c300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#4] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] 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 CPU: 1 UID: 0 PID: 3949 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880483ef780 EFLAGS: 00010012 Tainted: [D]=DIE, [W]=WARN RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff888019595280 RSI: ffffffff818995b7 RDI: 0000000000000191 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff8880483ef9f0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 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 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 RSP: 0018:ffff88806cf08b40 EFLAGS: 00010012 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RDX: ffff888015a5d280 RSI: ffffffff818995b7 RDI: 0000000100000190 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88806cf08db0 R08: ffff88806cf313e8 R09: ffffe8ffffd05390 CR2: 00007f41023ea718 CR3: 000000001b51a000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: ffff88801f057098 R12: dffffc0000000000 note: syz-executor.0[3944] exited with irqs disabled R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000 note: syz-executor.0[3944] exited with preempt_count 2 FS: 00005555588e5400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 Fixing recursive fault but reboot is needed! CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d821000 CR3: 0000000009c42000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 hrtimer_run_softirq+0x3c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:make_task_dead+0xa2/0x3b0 Code: 38 00 85 db 0f 84 21 01 00 00 e8 d9 96 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 27 92 38 00 48 85 db 0f 84 17 01 00 00 b9 96 38 00 31 ff 65 8b 1d 60 df 48 06 81 e3 ff ff ff 7f 89 de RSP: 0018:ffff8880483dff28 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff888015a5d280 RCX: ffffffff817c2b86 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234 RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8643ac57 R11: 3030303030302043 R12: ffff888015a5d280 R13: 0000000000000000 R14: dffffc0020000032 R15: 0000000000000000 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7fb648003b19 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:00007fff210dac88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb648003b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb648116f68 RBP: 00007fb648116f60 R08: 00007fb645579700 R09: 0000000000000000 R10: 00007fb645579700 R11: 0000000000000246 R12: 00007fb64811b088 R13: 00007fff210dad90 R14: 00007fb648116f60 R15: 000000000002167b Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#5] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] 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 CPU: 0 UID: 0 PID: 276 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880483ef780 EFLAGS: 00010012 Tainted: [D]=DIE, [W]=WARN RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff888019595280 RSI: ffffffff818995b7 RDI: 0000000000000191 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff8880483ef9f0 R08: ffff88806ce31340 R09: ffffe8ffffc05390 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 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 RSP: 0018:ffff888016d07600 EFLAGS: 00010012 R13: 0000000000000014 R14: ffff88806ce31340 R15: dffffc0000000000 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 FS: 00005555588e5400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 RDX: ffff88801b748000 RSI: ffffffff818995b7 RDI: 0000000000000191 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff888016d07870 R08: ffff88806ce31340 R09: ffffe8ffffc05390 CR2: 0000001b2d821000 CR3: 0000000009c42000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: dffffc0000000000 ---------------- 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