random: crng reseeded on system resumption watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.2:10134] Modules linked in: irq event stamp: 12555599 hardirqs last enabled at (12555598): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (12555599): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (12542184): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (12542187): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 10134 Comm: syz-executor.2 Not tainted 6.1.0-next-20221213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__this_cpu_preempt_check+0x5/0x20 Code: c6 60 f9 9e 84 48 c7 c7 a0 f9 9e 84 e9 54 fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <48> 89 fd 0f 1f 44 00 00 48 89 ee 48 c7 c7 e0 f9 9e 84 5d e9 23 fe RSP: 0018:ffff88806cf099d8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88801da18000 RCX: ffff888017d40000 RDX: ffff88801da18000 RSI: ffff88801da18000 RDI: ffffffff851ec3b8 RBP: ffff88806cf09a78 R08: 0000000000000001 R09: ffff88806cf09a78 R10: ffffed100d9e135c R11: 0000000000000001 R12: ffff88806cf09a28 R13: ffff88806cf09aa0 R14: ffff88806cf09ac0 R15: ffff88806cf09a78 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa2cf894b70 CR3: 000000000e9a0000 CR4: 0000000000350ee0 Call Trace: get_stack_info_noinstr+0x3d/0xf0 get_stack_info+0x2f/0x90 __unwind_start+0x4a6/0x7c0 arch_stack_walk+0x63/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xfb/0x610 rcu_core+0x7be/0x19c0 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x32/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 d6 d3 e9 fc 48 89 ef e8 ee 4a ea fc 80 e7 02 74 06 e8 34 00 0e fd fb bf 01 00 00 00 99 a5 df fc 65 8b 05 aa 4a c1 7b 85 c0 74 07 5b 5d e9 5b 29 00 RSP: 0018:ffff888017d3f6a0 EFLAGS: 00000206 RAX: 0000000000969259 RBX: 0000000000000293 RCX: ffffffff812b740f RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001 RBP: ffff888016657b20 R08: 0000000000000001 R09: ffffffff876348c7 R10: fffffbfff0ec6918 R11: 0000000000000001 R12: ffffffffffffffdb R13: 0000000000000293 R14: 0000000000000013 R15: 0000607f92e01140 percpu_counter_add_batch+0x13d/0x180 unmap_page_range+0xdff/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fa2cf846b19 Code: Unable to access opcode bytes at 0x7fa2cf846aef. RSP: 002b:00007fa2ccdbc188 EFLAGS: 00000246 ORIG_RAX: 000000000000001d RAX: 000000000000000b RBX: 00007fa2cf959f60 RCX: 00007fa2cf846b19 RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000000 RBP: 00007fa2cf8a0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020ff8000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0c8f636f R14: 00007fa2ccdbc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10131 Comm: syz-executor.7 Not tainted 6.1.0-next-20221213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0xb4c/0x5e70 Code: df 48 c1 ea 03 0f b6 14 02 48 c7 c0 08 a0 d0 85 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fd 45 00 00 8b 2d 0e ed a4 04 85 ed <0f> 85 a2 00 00 00 8b 5c 24 18 85 db 0f 85 a1 08 00 00 48 b8 00 00 RSP: 0018:ffff88806ce08fe8 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 2eb3aa432424b246 RCX: ffffffff812bb68b RDX: 0000000000000000 RSI: ffff88804799bee0 RDI: ffff88804799bf79 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff876348c7 R10: fffffbfff0ec6918 R11: 0000000000000001 R12: ffff88804799b580 R13: ffff88804799bf58 R14: 0000000000000003 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e9a0000 CR4: 0000000000350ef0 Call Trace: lock_acquire.part.0+0x11e/0x340 perf_event_output_forward+0xa9/0x280 __perf_event_overflow+0x3ed/0x760 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x17f/0xc70 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__memset+0x28/0x40 Code: 90 90 f3 0f 1e fa 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 dd fd 12 00 66 0f 1f 84 00 00 00 RSP: 0018:ffff88806ce09818 EFLAGS: 00000212 RAX: 0000000000000000 RBX: ffff88806ce09908 RCX: 000000000000000a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806ce09890 RBP: ffff88804799b580 R08: 0000000000000001 R09: ffff88806ce09870 R10: ffffed100d9c131b R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806ce09898 R14: ffff88804799b580 R15: ffff88806ce09870 __unwind_start+0x2e/0x7c0 arch_stack_walk+0x63/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xcf/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:write_comp_data+0x21/0x90 Code: 90 90 90 90 90 90 90 90 90 49 89 f1 49 89 d2 49 89 f8 65 8b 05 b8 64 ba 7e 89 c6 81 e6 00 01 00 00 65 48 8b 14 25 00 89 03 00 00 01 ff 00 74 0e 85 f6 74 59 8b 82 0c 14 00 00 85 c0 74 4f 8b RSP: 0018:ffff888046f5f6a0 EFLAGS: 00000246 RAX: 0000000080000001 RBX: ffffea00010ec580 RCX: ffffffff81790631 RDX: ffff88804799b580 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea00010ec588 R13: ffffea00010ec580 R14: ffffea00010ec5b0 R15: ffff888046f5fad8 PageHuge+0x51/0x230 page_remove_rmap+0x37/0x620 unmap_page_range+0x1fdf/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd35b048b19 Code: Unable to access opcode bytes at 0x7fd35b048aef. RSP: 002b:00007fd3585be188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: 0000000000000009 RBX: 00007fd35b15bf60 RCX: 00007fd35b048b19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007fd35b0a2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8f995d9f R14: 00007fd3585be300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 5 bytes skipped: 0: 48 c7 c7 a0 f9 9e 84 mov $0xffffffff849ef9a0,%rdi 7: e9 54 fe ff ff jmpq 0xfffffe60 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: f3 0f 1e fa endbr64 24: 55 push %rbp * 25: 48 89 fd mov %rdi,%rbp <-- trapping instruction 28: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 2d: 48 89 ee mov %rbp,%rsi 30: 48 c7 c7 e0 f9 9e 84 mov $0xffffffff849ef9e0,%rdi 37: 5d pop %rbp 38: e9 .byte 0xe9 39: 23 fe and %esi,%edi