vcan0: j1939_tp_rxtimer: 0xffff88805f451c00: rx timeout, send abort
vcan0: j1939_tp_rxtimer: 0xffff88805f451c00: abort rx timeout. Force session deactivation
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12257 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 12257 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 12257 Comm: syz.2.2014 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 fe 37 d5 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 89 12 98 f7 0f 0b e9 f6 f7 ff ff e8 7d 12 98 f7 <0f> 0b e9 48 fb ff ff e8 71 12 98 f7 48 c7 c7 c0 00 24 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89ed78a3 RBX: ffffffff89ed66a6 RCX: ffff8880317c3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880317c3c00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e2523c0
R13: dffffc0000000000 R14: ffff88805e2528b0 R15: ffff8880317b5024
FS:  00007f8b106506c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ff26e56c0 CR3: 000000005ae07000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5438 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__might_fault+0x85/0x120 mm/memory.c:5945
Code: ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4c 89 f7 89 ee e8 ef 41 94 ff 48 81 c3 40 05 00 00 49 89 dd 49 c1 ed 03 43 80 7c 25 00 00 <74> 08 48 89 df e8 c1 eb 13 00 4c 8b 3b 4d 85 ff 74 5d e8 84 a4 bc
RSP: 0018:ffffc90019e67c48 EFLAGS: 00000246
RAX: f850441befc4b700 RBX: ffff8880317c4140 RCX: f850441befc4b700
RDX: ffff8880317c3c00 RSI: ffffffff8aaacb40 RDI: ffffffff8afc66c0
RBP: 0000000000000b8c R08: ffffc90019e67687 R09: 1ffff920033cced0
R10: dffffc0000000000 R11: fffff520033cced1 R12: dffffc0000000000
R13: 1ffff110062f8828 R14: ffffffff8ba23c40 R15: 0000000000000000
 do_recvmmsg+0x389/0x7d0 net/socket.c:2956
 __sys_recvmmsg net/socket.c:3029 [inline]
 __do_sys_recvmmsg net/socket.c:3052 [inline]
 __se_sys_recvmmsg net/socket.c:3045 [inline]
 __x64_sys_recvmmsg+0x191/0x240 net/socket.c:3045
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8b0f78ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8b10650038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f8b0f9b6090 RCX: 00007f8b0f78ebe9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f8b0f811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8b0f9b6128 R14: 00007f8b0f9b6090 R15: 00007ffff4b84008
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 5b 41             	lcall  *0x41(%rbx)
   3:	5c                   	pop    %rsp
   4:	41 5d                	pop    %r13
   6:	41 5e                	pop    %r14
   8:	41 5f                	pop    %r15
   a:	5d                   	pop    %rbp
   b:	c3                   	ret
   c:	4c 89 f7             	mov    %r14,%rdi
   f:	89 ee                	mov    %ebp,%esi
  11:	e8 ef 41 94 ff       	call   0xff944205
  16:	48 81 c3 40 05 00 00 	add    $0x540,%rbx
  1d:	49 89 dd             	mov    %rbx,%r13
  20:	49 c1 ed 03          	shr    $0x3,%r13
  24:	43 80 7c 25 00 00    	cmpb   $0x0,0x0(%r13,%r12,1)
* 2a:	74 08                	je     0x34 <-- trapping instruction
  2c:	48 89 df             	mov    %rbx,%rdi
  2f:	e8 c1 eb 13 00       	call   0x13ebf5
  34:	4c 8b 3b             	mov    (%rbx),%r15
  37:	4d 85 ff             	test   %r15,%r15
  3a:	74 5d                	je     0x99
  3c:	e8                   	.byte 0xe8
  3d:	84                   	.byte 0x84
  3e:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
  3f:	bc                   	.byte 0xbc