------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 32620 ms WARNING: CPU: 0 PID: 17149 at net/sched/sch_generic.c:526 dev_watchdog+0x74f/0x760 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 17149 Comm: syz-executor.4 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:dev_watchdog+0x74f/0x760 net/sched/sch_generic.c:525 Code: c6 d1 05 01 90 48 8b 1c 24 48 89 df e8 9a 25 e4 ff 48 c7 c7 e0 07 5f 8c 48 89 de 48 89 c2 44 89 f1 45 89 e0 e8 02 5b 3a f8 90 <0f> 0b 90 90 e9 15 ff ff ff 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 RSP: 0018:ffffc90000007b40 EFLAGS: 00010246 RAX: 5a8b1d0ea8f4df00 RBX: ffff88808148a000 RCX: ffff8880838ad940 RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000100009dd2 R08: ffffffff81546d22 R09: 1ffff92000000ebc R10: dffffc0000000000 R11: fffff52000000ebd R12: 0000000000007f6c R13: ffff88808148a548 R14: 0000000000000000 R15: 0000000000000110 FS: 000055555684e480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7736f98000 CR3: 0000000027920000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x17a/0x5f0 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x64f/0x860 kernel/time/timer.c:2022 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035 __do_softirq+0x2b8/0x939 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:refill_stock+0x2bc/0x470 mm/memcontrol.c:2377 Code: 40 42 80 3c 2b 00 74 08 4c 89 f7 e8 2e c7 f7 ff f6 44 24 41 02 75 50 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 66 43 c7 44 25 09 00 00 43 c6 44 25 0b RSP: 0018:ffffc9000343f8c0 EFLAGS: 00000206 RAX: 5a8b1d0ea8f4df00 RBX: 1ffff92000687f20 RCX: ffffffff925cf303 RDX: dffffc0000000000 RSI: ffffffff8b6aa560 RDI: ffffffff8bbde0a0 RBP: ffffc9000343f990 R08: ffffffff8f00c0ef R09: 1ffffffff1e0181d R10: dffffc0000000000 R11: fffffbfff1e0181e R12: 1ffff92000687f1c R13: dffffc0000000000 R14: ffffc9000343f900 R15: 0000000000000246 obj_cgroup_uncharge_pages mm/memcontrol.c:3234 [inline] __memcg_kmem_uncharge_page+0xe9/0x280 mm/memcontrol.c:3307 memcg_kmem_uncharge_page include/linux/memcontrol.h:1833 [inline] exit_task_stack_account+0x15d/0x330 kernel/fork.c:580 copy_process+0x195b/0x3fb0 kernel/fork.c:2789 kernel_clone+0x222/0x840 kernel/fork.c:2907 __do_sys_clone3 kernel/fork.c:3208 [inline] __se_sys_clone3+0x2cb/0x340 kernel/fork.c:3192 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7ff551ca8ad9 Code: ff ff eb d2 e8 f8 62 fd ff 0f 1f 84 00 00 00 00 00 b8 ea ff ff ff 48 85 ff 74 2c 48 85 d2 74 27 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 18 74 01 c3 31 ed 48 83 e4 f0 4c 89 c7 ff d2 48 89 c7 RSP: 002b:00007ffcd2465238 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007ff551c511b0 RCX: 00007ff551ca8ad9 RDX: 00007ff551c511b0 RSI: 0000000000000058 RDI: 00007ffcd2465280 RBP: 00007ff5529ad6c0 R08: 00007ff5529ad6c0 R09: 00007ffcd2465367 R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffb0 R13: 000000000000000b R14: 00007ffcd2465280 R15: 00007ffcd2465368 ---------------- Code disassembly (best guess): 0: 40 rex 1: 42 80 3c 2b 00 cmpb $0x0,(%rbx,%r13,1) 6: 74 08 je 0x10 8: 4c 89 f7 mov %r14,%rdi b: e8 2e c7 f7 ff call 0xfff7c73e 10: f6 44 24 41 02 testb $0x2,0x41(%rsp) 15: 75 50 jne 0x67 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 66 43 c7 44 25 09 00 movw $0x0,0x9(%r13,%r12,1) 3a: 00 3b: 43 rex.XB 3c: c6 .byte 0xc6 3d: 44 rex.R 3e: 25 .byte 0x25 3f: 0b .byte 0xb