copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f Oops: general protection fault, probably for non-canonical address 0xdffffc0020000031: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000188-0x000000010000018f] CPU: 0 UID: 0 PID: 3980 Comm: syz-executor.4 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:ffff8880475d7180 EFLAGS: 00010213 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff88801731d280 RSI: ffffffff818995b7 RDI: 000000010000018f RBP: ffff8880475d73f0 R08: ffff88806ce31340 R09: ffffe8ffffc16138 R10: 0000000000000000 R11: 0000000000006cee R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff84ae42870 CR3: 000000004344f000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 unwind_next_frame+0x3b7/0x2540 __unwind_start+0x517/0x7c0 arch_stack_walk+0x62/0xf0 stack_trace_save+0x8e/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 kmem_cache_free+0x134/0x540 __put_anon_vma+0x114/0x390 unlink_anon_vmas+0x4ae/0x740 free_pgtables+0x202/0xbb0 exit_mmap+0x39c/0xaa0 mmput+0xd5/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5b439d9b19 Code: Unable to access opcode bytes at 0x7f5b439d9aef. RSP: 002b:00007ffe7a478bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f5b439d9b19 RDX: 00007f5b4398c72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d422ce0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe7a478ca0 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0010000032: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000080000190-0x0000000080000197] CPU: 1 UID: 0 PID: 3977 Comm: syz-executor.7 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:ffff8880173b7880 EFLAGS: 00010212 RAX: 0000000010000032 RBX: 000000007fffffa0 RCX: 0000000000000002 RDX: ffff888017b93700 RSI: ffffffff818995b7 RDI: 0000000080000190 RBP: ffff8880173b7af0 R08: ffff88806cf31340 R09: ffffe8ffffd16138 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00005555698f4400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f831f006f64 CR3: 000000000e406000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 sched_mm_cid_remote_clear+0x3de/0x470 task_mm_cid_work+0x4ed/0x840 task_work_run+0x172/0x280 exit_to_user_mode_loop+0xef/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f831eef3c27 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:00007fff2d8bbd18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: 0000000000000000 RBX: 0000000000021000 RCX: 00007f831eef3c27 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f831c44a000 RBP: 00007fff2d8bbdf0 R08: 00000000ffffffff R09: 00007f831c469700 R10: 0000000000020022 R11: 0000000000000206 R12: 00007fff2d8bbf00 R13: 00007f831c469700 R14: 0000000000000000 R15: 0000000000022000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0020000031: 0000 [#3] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000188-0x000000010000018f] CPU: 0 UID: 0 PID: 3980 Comm: syz-executor.4 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:ffff88806ce08a80 EFLAGS: 00010013 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff88801731d280 RSI: ffffffff818995b7 RDI: 000000010000018f RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc16138 R10: 0000000000000000 R11: 746e756f63716573 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31490 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff84ae42870 CR3: 000000004344f000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 ktime_get_update_offsets_now+0xab/0x3c0 hrtimer_interrupt+0x114/0x830 __sysvec_apic_timer_interrupt+0xbb/0x330 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic_timer_interrupt+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:ffff8880475d7010 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000293 RCX: ffffffff8139f06f RDX: ffff88801731d280 RSI: ffffffff812a3dca RDI: 0000000000000007 RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f11c90 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880475d70d8 R13: 0000000000000000 R14: dffffc0020000031 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:ffff8880475d7180 EFLAGS: 00010213 RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 RDX: ffff88801731d280 RSI: ffffffff818995b7 RDI: 000000010000018f RBP: ffff8880475d73f0 R08: ffff88806ce31340 R09: ffffe8ffffc16138 R10: 0000000000000000 R11: 0000000000006cee R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 unwind_next_frame+0x3b7/0x2540 __unwind_start+0x517/0x7c0 arch_stack_walk+0x62/0xf0 stack_trace_save+0x8e/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 kmem_cache_free+0x134/0x540 __put_anon_vma+0x114/0x390 unlink_anon_vmas+0x4ae/0x740 free_pgtables+0x202/0xbb0 exit_mmap+0x39c/0xaa0 mmput+0xd5/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5b439d9b19 Code: Unable to access opcode bytes at 0x7f5b439d9aef. RSP: 002b:00007ffe7a478bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f5b439d9b19 RDX: 00007f5b4398c72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d422ce0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe7a478ca0 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0010000032: 0000 [#4] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: probably user-memory-access in range [0x0000000080000190-0x0000000080000197] 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: 3977 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880475d7180 EFLAGS: 00010213 Tainted: [D]=DIE, [W]=WARN RAX: 0000000020000031 RBX: 00000000ffffff9f RCX: 0000000000000002 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff88801731d280 RSI: ffffffff818995b7 RDI: 000000010000018f RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff8880475d73f0 R08: ffff88806ce31340 R09: ffffe8ffffc16138 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: 0000000000006cee R12: dffffc0000000000 RSP: 0018:ffff88806cf08a80 EFLAGS: 00010012 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RAX: 0000000010000032 RBX: 000000007fffffa0 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff888017b93700 RSI: ffffffff818995b7 RDI: 0000000080000190 CR2: 00007ff84ae42870 CR3: 000000004344f000 CR4: 0000000000350ef0 RBP: ffff88806cf08cf0 R08: ffff88806cf31490 R09: ffffe8ffffd16138 ---------------- 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