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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 4486 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 4486 Comm: syz-executor.4 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477
Code: 05 5d 7f 7b 05 01 48 8b 5c 24 28 48 89 df e8 fb ba e2 ff 48 c7 c7 00 c9 7c 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 74 6c f6 f8 <0f> 0b e9 fe fc ff ff e8 18 c4 2a f9 0f 0b e9 83 fc ff ff 44 89 e1
RSP: 0018:ffffc90000dd0b10 EFLAGS: 00010246
RAX: 0a4d6fcc36291b00 RBX: ffff888013fd4000 RCX: ffff88805ab85940
RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 00000000ffffb201 R08: ffffffff8166860c R09: fffff520001ba0a5
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888013fd4448
R13: ffff888013fd4440 R14: ffff888013fd4540 R15: ffff888013fd4460
FS:  00007f1e47a026c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fb27000 CR3: 0000000073f4b000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000fc69
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 __do_softirq+0x3b3/0x93a kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kernfs_root fs/kernfs/kernfs-internal.h:50 [inline]
RIP: 0010:kernfs_new_node+0x10d/0x230 fs/kernfs/dir.c:669
Code: c1 e8 03 42 80 3c 38 00 74 05 e8 4e cd cd ff 48 8b 6b 30 48 85 ed 48 0f 44 eb 48 83 c5 78 48 89 e8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 ef e8 29 cd cd ff 48 8b 7d 00 41 0f b7 cc 48 89 de 48
RSP: 0018:ffffc900041070f8 EFLAGS: 00000246
RAX: 1ffff110035b8049 RBX: ffff88801b0630e8 RCX: 0000000000040000
RDX: ffffc90002e29000 RSI: 000000000003ffff RDI: ffff88801b063118
RBP: ffff88801adc0248 R08: ffffffff81fc5cf0 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000041ed
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
 kernfs_create_dir_ns+0x3f/0x120 fs/kernfs/dir.c:1005
 internal_create_group+0x2c2/0xf00 fs/sysfs/group.c:137
 loop_sysfs_init drivers/block/loop.c:909 [inline]
 loop_configure+0xdd9/0x1470 drivers/block/loop.c:1304
 lo_ioctl+0x933/0x23b0
 blkdev_ioctl+0x333/0x6b0 block/ioctl.c:604
 block_ioctl+0xb1/0xf0 block/fops.c:493
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1e4948ec4b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f1e47a01e50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1e4948ec4b
RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000054f0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f1e47a01f80 R14: 00007f1e47a01f40 R15: 00007f1e3f5e2000
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 e8 03             	shr    $0x3,%eax
   3:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   8:	74 05                	je     0xf
   a:	e8 4e cd cd ff       	call   0xffcdcd5d
   f:	48 8b 6b 30          	mov    0x30(%rbx),%rbp
  13:	48 85 ed             	test   %rbp,%rbp
  16:	48 0f 44 eb          	cmove  %rbx,%rbp
  1a:	48 83 c5 78          	add    $0x78,%rbp
  1e:	48 89 e8             	mov    %rbp,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
* 2a:	74 08                	je     0x34 <-- trapping instruction
  2c:	48 89 ef             	mov    %rbp,%rdi
  2f:	e8 29 cd cd ff       	call   0xffcdcd5d
  34:	48 8b 7d 00          	mov    0x0(%rbp),%rdi
  38:	41 0f b7 cc          	movzwl %r12w,%ecx
  3c:	48 89 de             	mov    %rbx,%rsi
  3f:	48                   	rex.W