------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 32590 ms WARNING: CPU: 0 PID: 21322 at net/sched/sch_generic.c:526 dev_watchdog+0x74f/0x760 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 21322 Comm: syz-executor.2 Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #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: 6b cf 05 01 90 48 8b 1c 24 48 89 df e8 9a 25 e4 ff 48 c7 c7 60 45 5f 8c 48 89 de 48 89 c2 44 89 f1 45 89 e0 e8 02 ff 37 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: f80c761c5e10ac00 RBX: ffff88809329c000 RCX: ffff888027423b80 RDX: 0000000080000101 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000001000235d5 R08: ffffffff8154b922 R09: 1ffff92000000ebc R10: dffffc0000000000 R11: fffff52000000ebd R12: 0000000000007f4e R13: ffff88809329c548 R14: 0000000000000000 R15: 0000000000000110 FS: 00007fdde97116c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f37613b3d58 CR3: 0000000096cf0000 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+0x621/0x830 kernel/time/timer.c:2038 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2051 __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:memory_is_nonzero mm/kasan/generic.c:103 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x64/0x290 mm/kasan/generic.c:189 Code: 48 c1 eb 03 49 ba 00 00 00 00 00 fc ff df 4e 8d 1c 13 49 ff c8 4d 89 c1 49 c1 e9 03 49 be 01 00 00 00 00 fc ff df 4f 8d 3c 31 <4c> 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c RSP: 0018:ffffc90005a1f310 EFLAGS: 00000a07 RAX: 0000000000000001 RBX: 1ffffffff1e021ed RCX: ffffffff816d7f34 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8f010f68 RBP: 000000000001ffff R08: ffffffff8f010f6f R09: 1ffffffff1e021ed R10: dffffc0000000000 R11: fffffbfff1e021ed R12: 1ffff92000b43e70 R13: dffffc0000000000 R14: dffffc0000000001 R15: fffffbfff1e021ee instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:504 [inline] cpu_online include/linux/cpumask.h:1104 [inline] trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0xd4/0x530 kernel/locking/lockdep.c:5725 sched_submit_work kernel/sched/core.c:6759 [inline] schedule+0xae/0x260 kernel/sched/core.c:6815 schedule_timeout+0xb0/0x300 kernel/time/timer.c:2159 unix_wait_for_peer+0x24f/0x340 net/unix/af_unix.c:1474 unix_dgram_sendmsg+0x140e/0x2200 net/unix/af_unix.c:2078 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x592/0x890 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmmsg+0x3b2/0x730 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2753 [inline] __se_sys_sendmmsg net/socket.c:2750 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fdde8a7cd29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdde97110c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fdde8babf80 RCX: 00007fdde8a7cd29 RDX: 0000000000000318 RSI: 00000000200bd000 RDI: 0000000000000005 RBP: 00007fdde8ac947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdde8babf80 R15: 00007ffe5924db98 ---------------- Code disassembly (best guess): 0: 48 c1 eb 03 shr $0x3,%rbx 4: 49 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%r10 b: fc ff df e: 4e 8d 1c 13 lea (%rbx,%r10,1),%r11 12: 49 ff c8 dec %r8 15: 4d 89 c1 mov %r8,%r9 18: 49 c1 e9 03 shr $0x3,%r9 1c: 49 be 01 00 00 00 00 movabs $0xdffffc0000000001,%r14 23: fc ff df 26: 4f 8d 3c 31 lea (%r9,%r14,1),%r15 * 2a: 4c 89 fd mov %r15,%rbp <-- trapping instruction 2d: 4c 29 dd sub %r11,%rbp 30: 48 83 fd 10 cmp $0x10,%rbp 34: 7f 29 jg 0x5f 36: 48 85 ed test %rbp,%rbp 39: 0f 84 3e 01 00 00 je 0x17d 3f: 4c rex.WR