watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:17732]
Modules linked in:
irq event stamp: 3405517
hardirqs last  enabled at (3405516): [<ffffffff84a8f7bb>] irqentry_exit+0x3b/0x90
hardirqs last disabled at (3405517): [<ffffffff84a8e17f>] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last  enabled at (3300994): [<ffffffff813a8cbc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (3300997): [<ffffffff813a9054>] __irq_exit_rcu+0xc4/0x100
CPU: 1 UID: 0 PID: 17732 Comm: syz-executor.5 Not tainted 6.13.0-rc7-next-20250116 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x8c8/0x1320
Code: 07 00 00 48 8d bb 18 3f 00 00 4d 8b bc 24 18 3f 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 98 07 00 00 4c 23 bb 18 3f 00 00 <31> ff 4c 89 fe e8 8e 5d 14 fe 4d 85 ff 0f 84 7f fe ff ff e8 60 62
RSP: 0018:ffff88806cf09b38 EFLAGS: 00000202
RAX: 1ffff110052a5df3 RBX: ffff88802952b080 RCX: ffffffff835d3eba
RDX: ffff8880391a5340 RSI: ffffffff835d3ed3 RDI: ffff88802952ef98
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e1359
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888039c93080
R13: ffff888016894dc0 R14: ffff888039c93318 R15: 0000000000000001
FS:  00007f23bc666700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31a2a000 CR3: 0000000015362000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 mac80211_hwsim_tx_frame+0x1ee/0x2a0
 mac80211_hwsim_beacon_tx+0x546/0x950
 __iterate_interfaces+0x2e0/0x650
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0
 mac80211_hwsim_beacon+0x105/0x200
 __hrtimer_run_queues+0x1ab/0xa80
 hrtimer_run_softirq+0x14c/0x310
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:qlist_free_all+0x53/0x160
Code: 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 77 f0 ff ff 49 89 c7 66 90 4c 89 f6 48 89 ef 48 8d 15 00 00 00 00 e8 10 09 f9 ff 48 85 db <0f> 84 9c 00 00 00 48 89 d8 4c 89 e5 4d 85 e4 75 ba b9 00 00 00 80
RSP: 0018:ffff88803bee74e0 EFLAGS: 00000286
RAX: ffff88803b09c688 RBX: ffff88800d91bac0 RCX: 00000000002e0017
RDX: 00000000002e0018 RSI: ffffea0000ec2700 RDI: 0000000000080000
RBP: ffff88800b5bb8c0 R08: ffff88803b09c6e0 R09: 00000000002e0017
R10: ffffea0000ec2700 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803bee7518 R14: ffff88803b09c6e0 R15: ffff88803b09c6e0
 kasan_quarantine_reduce+0x19f/0x240
 __kasan_slab_alloc+0x49/0x70
 kmem_cache_alloc_noprof+0x13d/0x3d0
 jbd2__journal_start+0x193/0x6b0
 __ext4_journal_start_sb+0x331/0x600
 ext4_convert_unwritten_extents+0x191/0x580
 ext4_dio_write_end_io+0x4a3/0x670
 iomap_dio_complete+0x14d/0x9e0
 iomap_dio_rw+0x73/0xa0
 ext4_file_write_iter+0x110a/0x18e0
 iter_file_splice_write+0xa09/0x1060
 direct_splice_actor+0x192/0x7a0
 splice_direct_to_actor+0x348/0x9d0
 do_splice_direct+0x17a/0x250
 do_sendfile+0xa7e/0xdb0
 __x64_sys_sendfile64+0x1d5/0x210
 do_syscall_64+0xbf/0x1d0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23bf111b19
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:00007f23bc666188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f23bf225020 RCX: 00007f23bf111b19
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007f23bf16bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff28e948ff R14: 00007f23bc666300 R15: 0000000000022000
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	48 8d bb 18 3f 00 00 	lea    0x3f18(%rbx),%rdi
   9:	4d 8b bc 24 18 3f 00 	mov    0x3f18(%r12),%r15
  10:	00
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 c1 e8 03          	shr    $0x3,%rax
  18:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
  1c:	0f 85 98 07 00 00    	jne    0x7ba
  22:	4c 23 bb 18 3f 00 00 	and    0x3f18(%rbx),%r15
* 29:	31 ff                	xor    %edi,%edi <-- trapping instruction
  2b:	4c 89 fe             	mov    %r15,%rsi
  2e:	e8 8e 5d 14 fe       	callq  0xfe145dc1
  33:	4d 85 ff             	test   %r15,%r15
  36:	0f 84 7f fe ff ff    	je     0xfffffebb
  3c:	e8                   	.byte 0xe8
  3d:	60                   	(bad)
  3e:	62                   	.byte 0x62