watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:17008] Modules linked in: irq event stamp: 11621769 hardirqs last enabled at (11621768): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 hardirqs last disabled at (11621769): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1100 softirqs last enabled at (6606610): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last enabled at (6606610): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last enabled at (6606610): [] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 softirqs last disabled at (6606613): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last disabled at (6606613): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (6606613): [] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 CPU: 0 PID: 17008 Comm: syz-executor.2 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x78f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1525 Code: bb a4 3c 00 00 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 36 09 00 00 44 0f b6 bb a4 3c 00 00 <31> ff 44 89 fe e8 07 8c 55 fc 45 84 ff 0f 84 77 ff ff ff e8 49 85 RSP: 0018:ffffc90000007ba8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806187b1e0 RCX: 0000000000000100 RDX: 0000000000000004 RSI: ffffffff851e6be3 RDI: ffff88806187ee84 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff851e6c19 R11: 0000000000000000 R12: ffff88807c990c80 R13: ffff888062963410 R14: ffff8880629631e0 R15: 0000000000000000 FS: 00007faa6bea9700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000524e10 CR3: 000000009efb1000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mac80211_hwsim_tx_frame+0x14f/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1775 mac80211_hwsim_beacon_tx+0x4ba/0x910 drivers/net/wireless/mac80211_hwsim.c:1829 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1852 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu kernel/softirq.c:422 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 RIP: 0010:syscall_regfunc+0xbf/0x1f0 kernel/tracepoint.c:623 Code: 84 dc 00 00 00 e8 01 54 fe ff 4c 8d bd d0 03 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 08 01 00 00 48 8b 9d d0 03 00 00 <48> 8d 43 10 48 89 c2 48 c1 ea 03 42 80 3c 22 00 0f 85 d6 00 00 00 RSP: 0018:ffffc9000224fa58 EFLAGS: 00000246 RAX: 1ffff11003e64b9c RBX: ffff88801eb45480 RCX: ffffc9000cf94000 RDX: 0000000000040000 RSI: ffffffff81759d6f RDI: ffff88801f323cd0 RBP: ffff88801f325910 R08: 0000000000000001 R09: ffff88801f32388f R10: ffffed1003e64711 R11: 0000000000000001 R12: dffffc0000000000 R13: ffffed1003e64814 R14: ffff88801f3254c0 R15: ffff88801f325ce0 tracepoint_add_func+0x4ed/0xb10 kernel/tracepoint.c:282 tracepoint_probe_register_prio kernel/tracepoint.c:369 [inline] tracepoint_probe_register+0x9c/0xe0 kernel/tracepoint.c:389 trace_event_reg+0x28f/0x350 kernel/trace/trace_events.c:302 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x549/0xa20 kernel/trace/trace_event_perf.c:204 perf_trace_init+0x176/0x240 kernel/trace/trace_event_perf.c:228 perf_tp_event_init+0xa2/0x120 kernel/events/core.c:9603 perf_try_init_event+0x12a/0x560 kernel/events/core.c:11071 perf_init_event kernel/events/core.c:11123 [inline] perf_event_alloc.part.0+0xe3b/0x3960 kernel/events/core.c:11403 perf_event_alloc kernel/events/core.c:11785 [inline] __do_sys_perf_event_open+0x647/0x2e60 kernel/events/core.c:11883 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x466459 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:00007faa6bea9188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 00000000000024be RDI: 000000002025c000 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd914b453f R14: 00007faa6bea9300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 17006 Comm: syz-executor.1 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:queued_write_lock_slowpath+0x135/0x270 kernel/locking/qrwlock.c:76 Code: fc ff df 49 01 c7 41 83 c6 03 41 0f b6 07 41 38 c6 7c 08 84 c0 0f 85 fe 00 00 00 8b 03 3d 00 01 00 00 74 19 f3 90 41 0f b6 07 <41> 38 c6 7c ec 84 c0 74 e8 48 89 df e8 9a 44 5d 00 eb de be 04 00 RSP: 0018:ffffc90001a3fa40 EFLAGS: 00000006 RAX: 0000000000000000 RBX: ffffffff8bc0a080 RCX: ffffffff815a642a RDX: fffffbfff1781411 RSI: 0000000000000004 RDI: ffffffff8bc0a080 RBP: 00000000000000ff R08: 0000000000000001 R09: ffffffff8bc0a083 R10: fffffbfff1781410 R11: 0000000000000000 R12: 1ffff92000347f49 R13: ffffffff8bc0a084 R14: 0000000000000003 R15: fffffbfff1781410 FS: 0000000001922400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0fe8ea5718 CR3: 000000007fc89000 CR4: 00000000001506e0 DR0: 0000000020000180 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: queued_write_lock include/asm-generic/qrwlock.h:97 [inline] do_raw_write_lock+0x1ce/0x280 kernel/locking/spinlock_debug.c:207 copy_process+0x354b/0x71a0 kernel/fork.c:2232 kernel_clone+0xe7/0xab0 kernel/fork.c:2500 __do_sys_clone+0xc8/0x110 kernel/fork.c:2617 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x467881 Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00 RSP: 002b:00007ffce855ef38 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f0fe8ea5700 RCX: 0000000000467881 RDX: 00007f0fe8ea59d0 RSI: 00007f0fe8ea52f0 RDI: 00000000003d0f00 RBP: 00007ffce855f170 R08: 00007f0fe8ea5700 R09: 00007f0fe8ea5700 R10: 00007f0fe8ea59d0 R11: 0000000000000206 R12: 00007ffce855efee R13: 00007ffce855efef R14: 00007f0fe8ea5300 R15: 0000000000022000