------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 1 PID: 32511 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Modules linked in: CPU: 1 PID: 32511 Comm: syz-executor.4 Not tainted 6.1.73-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Code: ed f8 c6 05 d7 a4 c2 05 01 48 8b 1c 24 48 89 df e8 85 6a e5 ff 48 c7 c7 c0 9a e3 8b 48 89 de 48 89 c2 44 89 f1 e8 d0 cb b5 f8 <0f> 0b e9 8b fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c1 fb ff RSP: 0018:ffffc900001e0b00 EFLAGS: 00010246 RAX: 8a8b564e73525f00 RBX: ffff8880944ce000 RCX: ffff88807ce05940 RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000001000285c1 R08: ffffffff8152774e R09: fffff5200003c0c1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11012899c89 R13: 0000000100027dd5 R14: 0000000000000000 R15: 0000000000000110 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200bd038 CR3: 0000000077ff3000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:206 Code: 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 28 dc e8 0c 48 89 de 5b e9 47 79 56 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0d 74 fc 77 7e 65 8b 15 75 fc 77 7e f7 c2 00 01 ff 00 74 RSP: 0018:ffffc90004bcf498 EFLAGS: 00000246 RAX: ffffffff81bd04a3 RBX: ffffea0001c14e08 RCX: ffff88807ce05940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004bcf620 R08: ffffffff81bd042b R09: fffff940003829c7 R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c R13: 0000000000000000 R14: ffffea0001c14e40 R15: dffffc0000000000 release_pages+0x233/0x2b40 mm/swap.c:993 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361 exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239 __mmput+0x115/0x3c0 kernel/fork.c:1199 exit_mm+0x226/0x300 kernel/exit.c:563 do_exit+0x9f6/0x26a0 kernel/exit.c:856 do_group_exit+0x202/0x2b0 kernel/exit.c:1019 get_signal+0x16f7/0x17d0 kernel/signal.c:2862 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fad3587cda9 Code: Unable to access opcode bytes at 0x7fad3587cd7f. RSP: 002b:00007fad36530178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fad359abf88 RCX: 00007fad3587cda9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fad359abf88 RBP: 00007fad359abf80 R08: 00007fad365306c0 R09: 00007fad365306c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fad359abf8c R13: 000000000000000b R14: 00007ffd6128fc20 R15: 00007ffd6128fd08 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 0f 0b ud2 2: 0f 1f 00 nopl (%rax) 5: 53 push %rbx 6: 48 89 fb mov %rdi,%rbx 9: e8 17 00 00 00 call 0x25 e: 48 8b 3d 28 dc e8 0c mov 0xce8dc28(%rip),%rdi # 0xce8dc3d 15: 48 89 de mov %rbx,%rsi 18: 5b pop %rbx 19: e9 47 79 56 00 jmp 0x567965 1e: cc int3 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: cc int3 24: cc int3 25: 48 8b 04 24 mov (%rsp),%rax * 29: 65 48 8b 0d 74 fc 77 mov %gs:0x7e77fc74(%rip),%rcx # 0x7e77fca5 <-- trapping instruction 30: 7e 31: 65 8b 15 75 fc 77 7e mov %gs:0x7e77fc75(%rip),%edx # 0x7e77fcad 38: f7 c2 00 01 ff 00 test $0xff0100,%edx 3e: 74 .byte 0x74