------------[ cut here ]------------
NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 14156 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 14156 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 53 bc 61 05 01 4c 8b 74 24 28 4c 89 f7 e8 52 47 e4 ff 48 c7 c7 c0 2a 02 8b 4c 89 f6 48 89 c2 44 89 e1 e8 3d 69 aa 01 <0f> 0b e9 31 fe ff ff e8 51 8d 83 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0000:ffffc90000dd0b08 EFLAGS: 00010246
RAX: d05bd4cb00818000 RBX: dffffc0000000000 RCX: ffff88807df5d940
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffff88801d4ed068 R08: dffffc0000000000 R09: fffff520001ba0c5
R10: fffff520001ba0c5 R11: 1ffff920001ba0c4 R12: 0000000000000000
R13: ffff88801a784540 R14: ffff88801a784000 R15: dffffc0000000000
FS:  00005555582a6480(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a3eb5fc00 CR3: 000000007bb80000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:lock_page_memcg+0x20c/0x410 mm/memcontrol.c:2062
Code: ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 0f 85 f9 00 00 00 f7 c3 00 02 00 00 74 01 fb 4d 8d af 80 10 00 00 <4c> 89 ef be 04 00 00 00 e8 f7 95 fb ff 4c 89 e8 48 c1 e8 03 48 b9
RSP: 0000:ffffc900035879c0 EFLAGS: 00000206
RAX: d05bd4cb00818000 RBX: 0000000000000286 RCX: d05bd4cb00818000
RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580
RBP: ffffc90003587a90 R08: dffffc0000000000 R09: fffffbfff1ff7c19
R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff888016a7c670
R13: ffff888016a7d080 R14: ffffea0001ff2838 R15: ffff888016a7c000
 page_add_file_rmap+0x185/0x940 mm/rmap.c:1219
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 filemap_map_pages+0xe7e/0x1390 mm/filemap.c:3344
 do_fault_around mm/memory.c:4243 [inline]
 do_read_fault mm/memory.c:4258 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x257d/0x43b0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f9a3eb5fc00
Code: Unable to access opcode bytes at RIP 0x7f9a3eb5fbd6.
RSP: 002b:00007fff5bf8cae8 EFLAGS: 00010246
RAX: 00007fff5bf8d1f0 RBX: 00007fff5bf8d050 RCX: 0000000000000000
RDX: 00007fff5bf8d1d0 RSI: 0000000000000025 RDI: 00007f9a3ebbf390
RBP: 00000000fbad8001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a3ebbf390
R13: 00007fff5bf8d1d0 R14: 0000000000000000 R15: 00007fff5bf8d050
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 48 c7             	decl   -0x39(%rax)
   3:	44 24 40             	rex.R and $0x40,%al
   6:	00 00                	add    %al,(%rax)
   8:	00 00                	add    %al,(%rax)
   a:	9c                   	pushf
   b:	8f 44 24 40          	pop    0x40(%rsp)
   f:	f6 44 24 41 02       	testb  $0x2,0x41(%rsp)
  14:	0f 85 f9 00 00 00    	jne    0x113
  1a:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	4d 8d af 80 10 00 00 	lea    0x1080(%r15),%r13
* 2a:	4c 89 ef             	mov    %r13,%rdi <-- trapping instruction
  2d:	be 04 00 00 00       	mov    $0x4,%esi
  32:	e8 f7 95 fb ff       	call   0xfffb962e
  37:	4c 89 e8             	mov    %r13,%rax
  3a:	48 c1 e8 03          	shr    $0x3,%rax
  3e:	48                   	rex.W
  3f:	b9                   	.byte 0xb9