watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:5626]
Modules linked in:
irq event stamp: 7756849
hardirqs last  enabled at (7756848): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
hardirqs last disabled at (7756849): [<ffffffff83e6374b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106
softirqs last  enabled at (7726104): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (7726107): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20
CPU: 0 PID: 5626 Comm: syz-executor.1 Not tainted 5.10.230 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:unwind_next_frame+0x3ca/0x1a90 arch/x86/kernel/unwind_orc.c:471
Code: 0f 85 8c 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 48 c1 ea 03 80 3c 02 00 0f 85 71 15 00 00 48 89 c8 4d 8b 4d 38 <48> ba 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 34 10 48 8d 41 01
RSP: 0018:ffff88806ce097b8 EFLAGS: 00000246
RAX: ffffffff85c69596 RBX: 0000000000000001 RCX: ffffffff85c69596
RDX: 1ffff1100d9c1319 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff88806ce098c5 R08: ffffffff85c6959b R09: ffff88804d6d7b48
R10: 0000000000032042 R11: 1ffff1100d9c12ff R12: ffff88806ce098d8
R13: ffff88806ce09890 R14: 1ffff1100d9c12ff R15: ffffffff85c6959a
FS:  00007efe54ca1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf2c000 CR3: 000000000e028000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a
Call Trace:
 <IRQ>
 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56
 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355
 __kasan_slab_free+0x110/0x160 mm/kasan/common.c:422
 slab_free_hook mm/slub.c:1542 [inline]
 slab_free_freelist_hook+0xa9/0x180 mm/slub.c:1576
 slab_free mm/slub.c:3149 [inline]
 kmem_cache_free+0xa7/0x2d0 mm/slub.c:3165
 kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:637
 __kfree_skb net/core/skbuff.c:694 [inline]
 consume_skb net/core/skbuff.c:849 [inline]
 consume_skb+0x11d/0x2b0 net/core/skbuff.c:843
 mac80211_hwsim_tx_frame+0x15a/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1717
 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770
 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828
 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793
 __run_hrtimer kernel/time/hrtimer.c:1586 [inline]
 __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650
 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667
 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298
 asm_call_irq_on_stack+0x12/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:slab_free mm/slub.c:3149 [inline]
RIP: 0010:kfree+0xa5/0x340 mm/slub.c:4125
Code: 08 48 8d 50 ff a8 01 48 0f 45 ea 48 8b 55 08 48 8d 42 ff 83 e2 01 48 0f 44 c5 48 8b 00 f6 c4 02 0f 84 19 01 00 00 4c 8b 75 18 <48> 8d 4c 24 0c 48 8d 54 24 18 4c 89 64 24 10 48 8d 74 24 10 c7 44
RSP: 0018:ffff88804d6d7420 EFLAGS: 00000202
RAX: 0100000000010200 RBX: ffff88801f0588c0 RCX: ffffc90000bf5000
RDX: 0000000000000000 RSI: ffffffff83143dff RDI: ffff88806ce3c128
RBP: ffffea00006bb000 R08: 0000000000000001 R09: ffff888047ff7cef
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801aec3800
R13: ffff88801aec3800 R14: ffff888008041140 R15: 0000000000000007
 skb_free_head net/core/skbuff.c:605 [inline]
 pskb_expand_head+0xb0f/0x1040 net/core/skbuff.c:1676
 netlink_trim+0x1ee/0x250 net/netlink/af_netlink.c:1304
 netlink_broadcast_filtered+0x60/0xdc0 net/netlink/af_netlink.c:1509
 netlink_broadcast net/netlink/af_netlink.c:1554 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x94/0x290 net/netlink/af_netlink.c:2543
 rtmsg_fib+0x399/0xf40 net/ipv4/fib_semantics.c:541
 fib_table_insert+0xab9/0x1af0 net/ipv4/fib_trie.c:1354
 fib_magic.isra.0+0x29d/0x2f0 net/ipv4/fib_frontend.c:1092
 fib_add_ifaddr+0x69c/0x7e0 net/ipv4/fib_frontend.c:1138
 fib_netdev_event+0x39d/0x700 net/ipv4/fib_frontend.c:1476
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xb3/0x110 kernel/notifier.c:410
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2047
 call_netdevice_notifiers_extack net/core/dev.c:2059 [inline]
 call_netdevice_notifiers net/core/dev.c:2073 [inline]
 __dev_notify_flags+0x110/0x2c0 net/core/dev.c:8564
 dev_change_flags+0x100/0x160 net/core/dev.c:8602
 dev_ifsioc+0x5b9/0xa00 net/core/dev_ioctl.c:230
 dev_ioctl+0x23c/0xd30 net/core/dev_ioctl.c:481
 sock_do_ioctl+0x17d/0x300 net/socket.c:1089
 sock_ioctl+0x3ea/0x700 net/socket.c:1206
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x67/0xd1
RIP: 0033:0x7efe5776db19
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:00007efe54ca1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efe578810e0 RCX: 00007efe5776db19
RDX: 0000000020000140 RSI: 0000000000008914 RDI: 000000000000000a
RBP: 00007efe577c7f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc7802b96f R14: 00007efe54ca1300 R15: 0000000000022000
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706
----------------
Code disassembly (best guess):
   0:	0f 85 8c 01 00 00    	jne    0x192
   6:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   d:	fc ff df
  10:	48 8b 54 24 08       	mov    0x8(%rsp),%rdx
  15:	48 c1 ea 03          	shr    $0x3,%rdx
  19:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1d:	0f 85 71 15 00 00    	jne    0x1594
  23:	48 89 c8             	mov    %rcx,%rax
  26:	4d 8b 4d 38          	mov    0x38(%r13),%r9
* 2a:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx <-- trapping instruction
  31:	fc ff df
  34:	48 c1 e8 03          	shr    $0x3,%rax
  38:	0f b6 34 10          	movzbl (%rax,%rdx,1),%esi
  3c:	48 8d 41 01          	lea    0x1(%rcx),%rax