audit: type=1400 audit(1756723437.010:10): avc: denied { tracepoint } for pid=3982 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 0xffffffff81894f: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 3993 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:retbleed_return_thunk+0x0/0x10 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff8880470bf6d0 EFLAGS: 00010046 RAX: 00ffffffff81894f RBX: ffff888009649f41 RCX: ffffc90001805000 RDX: ffff88806ce31340 RSI: ffff8880470bf840 RDI: ffff888009649f41 RBP: ffff88800964a08d R08: 0000000000000001 R09: ffffed10012c947e R10: 0000000000000000 R11: ffff88806ce37018 R12: 0000000000000000 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff88800964a385 FS: 00007f7567b3c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000001ea13000 CR4: 0000000000350ef0 Call Trace: Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:retbleed_return_thunk+0x0/0x10 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI RSP: 0018:ffff8880470bf6d0 EFLAGS: 00010046 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] RAX: 00ffffffff81894f RBX: ffff888009649f41 RCX: ffffc90001805000 CPU: 1 UID: 0 PID: 3996 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RDX: ffff88806ce31340 RSI: ffff8880470bf840 RDI: ffff888009649f41 Tainted: [D]=DIE, [W]=WARN RBP: ffff88800964a08d R08: 0000000000000001 R09: ffffed10012c947e Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 R10: 0000000000000000 R11: ffff88806ce37018 R12: 0000000000000000 RIP: 0010:perf_tp_event+0x175/0xe70 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff88800964a385 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 FS: 00007f7567b3c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 RSP: 0018:ffff88804713f780 EFLAGS: 00010012 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc9000461c000 CR2: 0000000020000600 CR3: 000000001ea13000 CR4: 0000000000350ef0 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 note: syz-executor.1[3993] exited with irqs disabled RBP: ffff88804713f9f0 R08: ffff88806cf31340 R09: ffffe8ffffd15dd8 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00007f62b148b700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b148b718 CR3: 00000000160bf000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 try_to_wake_up+0x8ae/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: 0033:0x7f62b3f36b19 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:00007f62b148b218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f62b404a028 RCX: 00007f62b3f36b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f62b404a02c RBP: 00007f62b404a020 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007f62b404a02c R13: 00007ffc77384fdf R14: 00007f62b148b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xffffffff81894f: 0000 [#3] SMP KASAN NOPTI RIP: 0010:retbleed_return_thunk+0x0/0x10 CPU: 0 UID: 0 PID: 3993 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 Tainted: [D]=DIE, [W]=WARN RSP: 0018:ffff8880470bf6d0 EFLAGS: 00010046 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:retbleed_return_thunk+0x0/0x10 RAX: 00ffffffff81894f RBX: ffff888009649f41 RCX: ffffc90001805000 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RDX: ffff88806ce31340 RSI: ffff8880470bf840 RDI: ffff888009649f41 RSP: 0018:ffff88806ce08ad0 EFLAGS: 00010046 RBP: ffff88800964a08d R08: 0000000000000001 R09: ffffed10012c947e R10: 0000000000000000 R11: ffff88806ce37018 R12: 0000000000000000 RAX: 00ffffffff81894f RBX: ffff888009649f41 RCX: ffffffff8188737e R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff88800964a385 RDX: ffff88806ce313e8 RSI: ffff88806ce08c40 RDI: ffff888009649f41 FS: 00007f62b148b700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 RBP: ffff88800964a08d R08: 0000000000000001 R09: ffffed10012c947e CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 0000000000000000 R11: ffff88801878b498 R12: 0000000000000000 CR2: 00007f62b148b718 CR3: 00000000160bf000 CR4: 0000000000350ef0 R13: ffff88806ce313e8 R14: 0000000000000000 R15: ffff88800964a385 note: syz-executor.0[3996] exited with irqs disabled FS: 00007f7567b3c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000001ea13000 CR4: 0000000000350ef0 Call Trace: Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#4] SMP KASAN NOPTI RIP: 0010:retbleed_return_thunk+0x0/0x10 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 CPU: 1 UID: 0 PID: 3996 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RSP: 0018:ffff8880470bf6d0 EFLAGS: 00010046 Tainted: [D]=DIE, [W]=WARN RAX: 00ffffffff81894f RBX: ffff888009649f41 RCX: ffffc90001805000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff88806ce31340 RSI: ffff8880470bf840 RDI: ffff888009649f41 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff88800964a08d R08: 0000000000000001 R09: ffffed10012c947e 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: ffff88806ce37018 R12: 0000000000000000 RSP: 0018:ffff88806cf08b80 EFLAGS: 00010012 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff88800964a385 FS: 00007f7567b3c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff88801ba29b80 RSI: ffffffff8189a4e7 RDI: 0000000100000190 CR2: 0000000020000600 CR3: 000000001ea13000 CR4: 0000000000350ef0 RBP: ffff88806cf08df0 R08: ffff88806cf313e8 R09: ffffe8ffffd15dd8 ---------------- 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