watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz.3.745:7090] Modules linked in: CPU: 1 PID: 7090 Comm: syz.3.745 Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:ffs arch/x86/include/asm/bitops.h:427 [inline] RIP: 0010:__do_softirq+0x7d/0x2e9 kernel/softirq.c:280 Code: 00 c7 45 c8 0a 00 00 00 48 c7 c0 40 1b 02 00 65 66 c7 00 00 00 48 83 3d c8 56 c9 00 00 0f 84 2c 02 00 00 fb 66 0f 1f 44 00 00 ff ff ff ff 48 c7 c3 00 51 60 83 0f bc 45 d4 89 c1 83 c1 01 89 RSP: 0018:ffff880237b03f70 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000021b40 RBX: ffff880237b15280 RCX: 0000000000000004 RDX: 000000000000025a RSI: 0000000000000004 RDI: ffffffff83bdc040 RBP: ffff880237b03fb8 R08: 00000024080e5da4 R09: 000000003c2d23cc R10: 0000000000000000 R11: ffff88021aa48848 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f3e2fef16c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005641020297a0 CR3: 0000000217818000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x75/0xd0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xa5/0x170 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:_raw_spin_unlock_irq+0x33/0x40 kernel/locking/spinlock.c:193 Code: 53 48 89 fb 48 83 c7 18 48 8b 55 08 e8 36 a8 9b fe 48 89 df e8 fe dc 9b fe 48 83 3d ee 11 f3 00 00 74 0a fb 66 0f 1f 44 00 00 <5b> 5d c3 e8 b5 ff ff ff 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 RSP: 0018:ffffc90001b7b890 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: ffff880237b22500 RCX: ffffc90001b7b84c RDX: 0000000000000002 RSI: 0000000000000002 RDI: ffff880237b22500 RBP: ffffc90001b7b898 R08: ffff880237b22f90 R09: ffff880237b22500 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88021aa48000 R13: ffff88021aa48000 R14: 0000000000022500 R15: ffff88021aa48630 rq_unlock_irq kernel/sched/sched.h:1846 [inline] __schedule+0x735/0x8a0 kernel/sched/core.c:3476 schedule+0x27/0x80 kernel/sched/core.c:3517 do_sched_yield+0x76/0x90 kernel/sched/core.c:4950 yield+0x2e/0x30 kernel/sched/core.c:5025 dev_deactivate_many+0x197/0x290 net/sched/sch_generic.c:1215 dev_deactivate+0x62/0xa0 net/sched/sch_generic.c:1230 qdisc_graft+0x378/0x440 net/sched/sch_api.c:978 tc_modify_qdisc+0x484/0x700 net/sched/sch_api.c:1579 rtnetlink_rcv_msg+0x2f2/0x3f0 net/core/rtnetlink.c:4734 netlink_rcv_skb+0x4d/0x130 net/netlink/af_netlink.c:2447 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:4752 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x1bb/0x260 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x208/0x3b0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0x34/0x50 net/socket.c:631 ___sys_sendmsg+0x28b/0x2e0 net/socket.c:2116 __sys_sendmsg+0x57/0xa0 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x1a/0x20 net/socket.c:2161 do_syscall_64+0x69/0x150 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f3e3047ede9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3e2fef1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3e30697fa0 RCX: 00007f3e3047ede9 RDX: 0000000000000000 RSI: 00004000000007c0 RDI: 0000000000000004 RBP: 00007f3e305002a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3e30697fa0 R15: 00007fff1e51fb78 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:142 [inline] RIP: 0010:native_write_msr+0xa/0x30 arch/x86/include/asm/msr.h:164 Code: 5d c3 48 c1 e2 20 48 89 d3 8b 16 48 09 c3 48 89 de e8 3a 2e 68 00 48 89 d8 5b 5d c3 0f 1f 40 00 55 89 f9 89 f0 48 89 e5 0f 30 <0f> 1f 44 00 00 5d c3 48 c1 e2 20 89 f6 48 09 d6 31 d2 e8 8f 2d 68 RSP: 0018:ffff880237a03db8 EFLAGS: 00000046 RAX: 0000000000000058 RBX: 00000000000003e8 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000000000838 RBP: ffff880237a03db8 R08: 00000026751547cc R09: 000000000afb070a R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff880237a15280 R14: 00000022a3c9a9e4 R15: ffff880237a1ba80 FS: 0000000000000000(0000) GS:ffff880237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3d8102b000 CR3: 0000000225fa6000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: paravirt_write_msr arch/x86/include/asm/paravirt.h:117 [inline] native_apic_msr_write+0x35/0x40 arch/x86/include/asm/apic.h:209 apic_write arch/x86/include/asm/apic.h:397 [inline] lapic_next_event+0x1b/0x20 arch/x86/kernel/apic/apic.c:461 clockevents_program_event kernel/time/clockevents.c:344 [inline] clockevents_program_event+0x89/0xc0 kernel/time/clockevents.c:311 tick_program_event+0x3f/0x70 kernel/time/tick-oneshot.c:48 hrtimer_interrupt+0x11f/0x200 kernel/time/hrtimer.c:1531 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline] smp_apic_timer_interrupt+0x81/0x170 arch/x86/kernel/apic/apic.c:1054 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:ffs arch/x86/include/asm/bitops.h:427 [inline] RIP: 0010:__do_softirq+0x7d/0x2e9 kernel/softirq.c:280 Code: 00 c7 45 c8 0a 00 00 00 48 c7 c0 40 1b 02 00 65 66 c7 00 00 00 48 83 3d c8 56 c9 00 00 0f 84 2c 02 00 00 fb 66 0f 1f 44 00 00 ff ff ff ff 48 c7 c3 00 51 60 83 0f bc 45 d4 89 c1 83 c1 01 89 RSP: 0018:ffff880237a03f70 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000021b40 RBX: ffff880237a15280 RCX: 0000000000000006 RDX: 0000000000000048 RSI: 0000000000000006 RDI: ffffffff83bdc000 RBP: ffff880237a03fb8 R08: 00000026751336c8 R09: 000000000afb070a R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x75/0xd0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xa5/0x170 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:58 Code: 65 48 8b 04 25 80 4f 01 00 f0 80 48 02 20 48 8b 00 a8 08 75 c3 eb 8b 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffffff83603df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: ffffffff82763760 RBX: 0000000000000000 RCX: ffffffff836b6110 RDX: 0000000000026f52 RSI: ffffffff836b5a08 RDI: 000000228b6b0dda RBP: ffffffff83603df8 R08: 000000000000000a R09: 00000000fbe6e3b6 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff83695720 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x2b/0x130 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x31/0x40 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x238/0x2d0 kernel/sched/idle.c:262 cpu_startup_entry+0x6e/0x70 kernel/sched/idle.c:368 rest_init+0x115/0x11b init/main.c:442 start_kernel+0x445/0x466 init/main.c:739 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x71/0x74 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243