general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]
CPU: 0 PID: 37 Comm: kworker/u4:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__queue_work+0xa7/0x1020 kernel/workqueue.c:1725
Code: ee e8 bd b4 2f 00 85 ed 0f 85 db 0c 00 00 e8 00 b1 2f 00 48 89 1c 24 49 8d af c0 01 00 00 48 89 e8 48 c1 e8 03 48 89 44 24 48 <42> 0f b6 04 28 84 c0 0f 85 05 0d 00 00 8b 5d 00 89 de 81 e6 00 80
RSP: 0018:ffffc90000007b70 EFLAGS: 00010002
RAX: 0000000000000038 RBX: ffff888066c88040 RCX: ffff88801ee70000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000001c0 R08: ffff888066c88047 R09: 1ffff1100cd91008
R10: dffffc0000000000 R11: ffffed100cd91009 R12: 0000000000000008
R13: dffffc0000000000 R14: ffff888066c88040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005f6c2000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 queue_work_on+0x128/0x1f0 kernel/workqueue.c:1835
 queue_work include/linux/workqueue.h:562 [inline]
 iomap_dio_done fs/iomap/direct-io.c:222 [inline]
 iomap_dio_bio_end_io+0x462/0x630 fs/iomap/direct-io.c:235
 req_bio_endio block/blk-mq.c:786 [inline]
 blk_update_request+0x597/0xe40 block/blk-mq.c:931
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1058
 blk_complete_reqs block/blk-mq.c:1138 [inline]
 blk_done_softirq+0x10b/0x160 block/blk-mq.c:1143
 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+0xd3/0x190 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:console_flush_all+0x8b1/0xd20 arch/x86/include/asm/irqflags.h:-1
Code: ed 01 00 00 e8 50 84 1b 00 4d 85 ff 48 8b 5c 24 38 75 07 e8 41 84 1b 00 eb 06 e8 3a 84 1b 00 fb 49 bf 00 00 00 00 00 fc ff df <48> 8b 44 24 58 42 0f b6 04 38 84 c0 0f 85 2f 02 00 00 80 3b 01 0f
RSP: 0018:ffffc90000adf4a0 EFLAGS: 00000293
RAX: ffffffff816b90d6 RBX: ffffc90000adf63f RCX: ffff88801ee70000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000adf610 R08: ffffffff911bf507 R09: 1ffffffff2237ea0
R10: dffffc0000000000 R11: fffffbfff2237ea1 R12: ffffffff8d8b7d60
R13: 1ffffffff19f96f8 R14: ffffffff8d8b7db8 R15: dffffc0000000000
 console_unlock+0xad/0x350 kernel/printk/printk.c:3069
 vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341
 _printk+0xde/0x130 kernel/printk/printk.c:2366
 ieee80211_sta_create_ibss+0x242/0x450 net/mac80211/ibss.c:1345
 ieee80211_sta_find_ibss net/mac80211/ibss.c:1482 [inline]
 ieee80211_ibss_work+0xdde/0x10f0 net/mac80211/ibss.c:1709
 cfg80211_wiphy_work+0x225/0x260 net/wireless/core.c:437
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0xa7/0x1020 kernel/workqueue.c:1725
Code: ee e8 bd b4 2f 00 85 ed 0f 85 db 0c 00 00 e8 00 b1 2f 00 48 89 1c 24 49 8d af c0 01 00 00 48 89 e8 48 c1 e8 03 48 89 44 24 48 <42> 0f b6 04 28 84 c0 0f 85 05 0d 00 00 8b 5d 00 89 de 81 e6 00 80
RSP: 0018:ffffc90000007b70 EFLAGS: 00010002
RAX: 0000000000000038 RBX: ffff888066c88040 RCX: ffff88801ee70000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000001c0 R08: ffff888066c88047 R09: 1ffff1100cd91008
R10: dffffc0000000000 R11: ffffed100cd91009 R12: 0000000000000008
R13: dffffc0000000000 R14: ffff888066c88040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005f6c2000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
   0:	ee                   	out    %al,(%dx)
   1:	e8 bd b4 2f 00       	call   0x2fb4c3
   6:	85 ed                	test   %ebp,%ebp
   8:	0f 85 db 0c 00 00    	jne    0xce9
   e:	e8 00 b1 2f 00       	call   0x2fb113
  13:	48 89 1c 24          	mov    %rbx,(%rsp)
  17:	49 8d af c0 01 00 00 	lea    0x1c0(%r15),%rbp
  1e:	48 89 e8             	mov    %rbp,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	48 89 44 24 48       	mov    %rax,0x48(%rsp)
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 05 0d 00 00    	jne    0xd3c
  37:	8b 5d 00             	mov    0x0(%rbp),%ebx
  3a:	89 de                	mov    %ebx,%esi
  3c:	81                   	.byte 0x81
  3d:	e6 00                	out    %al,$0x0
  3f:	80                   	.byte 0x80