Feb 19 15:19:33 syzkaller daemon.err dhcpcd[5655]: libudev: received NULL device
Feb 19 15:19:33 syzkaller daemon.err dhcpcd[5655]: libudev: received NULL device
Feb 19 15:19:33 syzkaller daemon.err dhcpcd[5655]: libudev: received NULL device
Feb 19 15:19:33 syzkaller daemon.err dhcpcd[5655]: libudev: received NULL device
Feb 19 15:19:33 syzkalle[ 98.905302][ C1] ------------[ cut here ]------------
r daemon.err dhc[ 98.907625][ C1] WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
r daemon.err dhc[ 98.907625][ C1] WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
r daemon.err dhc[ 98.907625][ C1] WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
pcd[5655]: libud[ 98.913159][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0
ev: received NUL[ 98.917251][ C1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
L device
Feb 19[ 98.924161][ C1] Code: 00 89 df 44 89 e6 e8 a3 25 e1 f6 44 38 e3 72 a1 e8 b9 2b e1 f6 48 89 ef e8 d1 97 39 f7 31 ed e9 9c fe ff ff e8 a5 2b e1 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 a0 d4 2f 90 48 89 04 24
15:19:33 syzkaller daemon.err d[ 98.924180][ C1] RSP: 0018:ffffc900006b0b70 EFLAGS: 00010246
hcpcd[5655]: lib[ 98.924219][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ad8a9c2
udev: received N[ 98.924240][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d63d400
ULL device
Feb [ 98.924255][ C1] FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
19 15:19:33 syzk[ 98.951524][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
aller daemon.err[ 98.954452][ C1] CR2: 000055637c648300 CR3: 000000002274e000 CR4: 0000000000352ef0
dhcpcd[5655]: l[ 98.957711][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
ibudev: received[ 98.961084][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
NULL device
Fe[ 98.961095][ C1] Call Trace:
b 19 15:19:33 sy[ 98.961108][ C1] ? __warn+0xea/0x3c0 kernel/panic.c:746
zkaller daemon.e[ 98.961127][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
zkaller daemon.e[ 98.961127][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
zkaller daemon.e[ 98.961127][ C1] ? __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
rr dhcpcd[5655]:[ 98.972709][ C1] ? handle_bug+0x54/0xa0 arch/x86/kernel/traps.c:285
libudev: receiv[ 98.974689][ C1] ? exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:309
ed NULL device
Feb 19 15:19:33 [ 98.978792][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
Feb 19 15:19:33 [ 98.978792][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
Feb 19 15:19:33 [ 98.978792][ C1] ? __ieee80211_beacon_get+0x14ab/0x16b0 net/mac80211/tx.c:5469
syzkaller daemon[ 98.978813][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
syzkaller daemon[ 98.978813][ C1] ? __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
syzkaller daemon[ 98.978813][ C1] ? __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
.err dhcpcd[5655[ 98.986059][ C1] ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
]: libudev: rece[ 98.990752][ C1] ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
]: libudev: rece[ 98.990752][ C1] mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
ived NULL device[ 98.993225][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 kernel/locking/lockdep.c:122
Feb 19 15:19:3[ 98.995743][ C1] ? rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
Feb 19 15:19:3[ 98.995743][ C1] ? rcu_is_watching+0x12/0xc0 kernel/rcu/tree.c:716
3 syzkaller daem[ 98.997991][ C1] __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:760
on.err dhcpcd[56[ 98.998011][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 drivers/net/wireless/virtual/mac80211_hwsim.c:2254
55]: libudev: re[ 98.998060][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 drivers/net/wireless/virtual/mac80211_hwsim.c:2254
ceived NULL devi[ 99.005641][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 drivers/net/wireless/virtual/mac80211_hwsim.c:3161
ce
Feb 19 15:19[ 99.010730][ C1] mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
:33 syzkaller da[ 99.013145][ C1] __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
:33 syzkaller da[ 99.013145][ C1] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
emon.err dhcpcd[[ 99.017618][ C1] ? rdtsc_ordered arch/x86/include/asm/msr.h:217 [inline]
emon.err dhcpcd[[ 99.017618][ C1] ? read_tsc+0x9/0x20 arch/x86/kernel/tsc.c:1133
5655]: libudev: [ 99.017644][ C1] hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882
received NULL de[ 99.017664][ C1] handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
vice
Feb 19 15:[ 99.017695][ C1] ? __pfx_handle_softirqs+0x10/0x10 include/trace/events/irq.h:156
19:33 syzkaller [ 99.029332][ C1] instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
19:33 syzkaller [ 99.029332][ C1] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
daemon.err dhcpc[ 99.029357][ C1] </IRQ>
d[5655]: libudev[ 99.029372][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
: received NULL [ 99.038467][ C1] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d d3 6f 0f 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
device
Feb 19 1[ 99.045817][ C1] RSP: 0018:ffffc90000187e08 EFLAGS: 00000206
5:19:33 syzkalle[ 99.051316][ C1] RDX: 0000000000000000 RSI: ffffffff8b6ceca0 RDI: ffffffff8bd35480
r daemon.err dhc[ 99.054675][ C1] RBP: ffffed1003a5b910 R08: 0000000000000001 R09: ffffed100d4e6f85
pcd[5655]: libud[ 99.063730][ C1] ? instrument_atomic_write include/linux/instrumented.h:82 [inline]
pcd[5655]: libud[ 99.063730][ C1] ? ct_kernel_exit+0x139/0x190 kernel/context_tracking.c:145
ev: received NUL[ 99.063753][ C1] default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117
L device
Feb 19[ 99.063767][ C1] cpuidle_idle_call kernel/sched/idle.c:185 [inline]
Feb 19[ 99.063767][ C1] do_idle+0x329/0x3f0 kernel/sched/idle.c:325
15:19:33 syzkal[ 99.071354][ C1] cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:423
ler daemon.err d[ 99.073597][ C1] start_secondary+0x222/0x2b0 arch/x86/kernel/smpboot.c:315
hcpcd[5655]: lib[ 99.077774][ C1] common_startup_64+0x13e/0x148