Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 3989 Comm: syz-executor.5 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:ffff88800c87f800 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90004c0f000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff88800c87fa70 R08: ffff88806cf31340 R09: ffffe8ffffd16938 R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00007fb3385fb700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e82f4c546 CR3: 000000004771f000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock_acquire+0x3c2/0x700 lock_acquire+0xc5/0x2f0 _raw_spin_lock+0x2b/0x40 futex_wake+0x228/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb33b085b19 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:00007fb3385fb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fb33b198f68 RCX: 00007fb33b085b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb33b198f6c RBP: 00007fb33b198f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb33b198f6c R13: 00007ffeb568a5df R14: 00007fb3385fb300 R15: 0000000000022000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0020000031: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000188-0x000000010000018f] CPU: 0 UID: 0 PID: 3823 Comm: kworker/u8:2 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: netns cleanup_net 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:ffff88801723f280 EFLAGS: 00010213 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff88800ef28000 RSI: ffffffff818995b7 RDI: 000000010000018f RBP: ffff88801723f4f0 R08: ffff88806ce31340 R09: ffffe8ffffc16938 R10: 0000000000000000 R11: 0000000000000034 R12: dffffc0000000000 R13: 0000000000000034 R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4dd271c718 CR3: 0000000013805000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock_acquire+0x3c2/0x700 lock_acquire+0xc5/0x2f0 __mutex_lock+0x13e/0x1020 rcu_barrier+0x49/0x690 netdev_run_todo+0x273/0xf80 default_device_exit_batch+0x6e8/0x920 ops_undo_list+0x34c/0xa50 cleanup_net+0x38d/0x770 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x34b/0x430 ret_from_fork_asm+0x1a/0x30 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 3989 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [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:ffff88806cf08a40 EFLAGS: 00010012 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff888048753700 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff88806cf08cb0 R08: ffff88806cf31490 R09: ffffe8ffffd16938 R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806cf31490 R15: dffffc0000000000 FS: 00007fb3385fb700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e82f4c546 CR3: 000000004771f000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock_acquire+0x3c2/0x700 lock_acquire+0xc5/0x2f0 _raw_spin_lock_nested+0x29/0x40 sched_ttwu_pending+0xa1/0x4a0 __flush_smp_call_function_queue+0x434/0x740 __sysvec_call_function_single+0x6d/0x370 sysvec_call_function_single+0xa1/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:oops_exit+0x0/0x50 Code: f1 39 00 be ff ff ff ff 48 c7 c7 50 ac 43 86 e8 c6 0f f9 ff 5b e9 20 f1 39 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 06 f1 39 00 8b 1d c0 ed 4e 06 31 ff 89 de e8 27 RSP: 0018:ffff88800c87f690 EFLAGS: 00000202 RAX: 0000000000029833 RBX: 0000000000000216 RCX: ffffc90004c0f000 RDX: 0000000000040000 RSI: ffffffff812a3dca RDI: 0000000000000007 RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f11c90 R10: 0000000000000000 R11: 000000000000002c R12: ffff88800c87f758 R13: 0000000000000000 R14: dffffc0000000032 R15: 0000000000000000 oops_end+0x65/0xe0 exc_general_protection+0x1a2/0x330 asm_exc_general_protection+0x26/0x30 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:ffff88800c87f800 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90004c0f000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff88800c87fa70 R08: ffff88806cf31340 R09: ffffe8ffffd16938 R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806cf31340 R15: dffffc0000000000 perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock_acquire+0x3c2/0x700 lock_acquire+0xc5/0x2f0 _raw_spin_lock+0x2b/0x40 futex_wake+0x228/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb33b085b19 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:00007fb3385fb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fb33b198f68 RCX: 00007fb33b085b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb33b198f6c RBP: 00007fb33b198f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb33b198f6c R13: 00007ffeb568a5df R14: 00007fb3385fb300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000031: 0000 [#4] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000188-0x000000010000018f] RIP: 0010:perf_tp_event+0x175/0xe70 CPU: 0 UID: 0 PID: 3823 Comm: kworker/u8:2 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:ffff88800c87f800 EFLAGS: 00010212 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: netns cleanup_net RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc90004c0f000 RIP: 0010:perf_tp_event+0x175/0xe70 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 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 RBP: ffff88800c87fa70 R08: ffff88806cf31340 R09: ffffe8ffffd16938 RSP: 0018:ffff88806ce08a80 EFLAGS: 00010013 R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 R13: 0000000000000024 R14: ffff88806cf31340 R15: dffffc0000000000 RDX: ffff88800ef28000 RSI: ffffffff818995b7 RDI: 000000010000018f FS: 00007fb3385fb700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc16938 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000 CR2: 00007f8e82f4c546 CR3: 000000004771f000 CR4: 0000000000350ef0 R13: 000000000000002c R14: ffff88806ce31490 R15: 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