watchdog: BUG: soft lockup - CPU#1 stuck for 121s! [syz.0.1:340] Modules linked in: CPU: 1 PID: 340 Comm: syz.0.1 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__mod_timer+0x0/0xcf0 kernel/time/timer.c:967 Code: 53 49 89 f6 48 89 fb e8 8e 16 10 00 48 89 df 4c 89 f6 ba 01 00 00 00 e8 0e 00 00 00 5b 41 5e 5d c3 66 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 01 RSP: 0018:ffffc900001d0c30 EFLAGS: 00000246 RAX: ffffffff81605692 RBX: ffff88812c64e4e0 RCX: ffff88810b793b40 RDX: 0000000000000000 RSI: 000000010000b596 RDI: ffff88812c64e4e0 RBP: ffffc900001d0c48 R08: ffffffff8455f789 R09: 0000000000000003 R10: fffff5200003a180 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88812c64e4e0 R14: 000000010000b596 R15: ffff88812c64e000 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f21485999ed CR3: 0000000006a0f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: addrconf_mod_rs_timer+0x54/0xe0 net/ipv6/addrconf.c:328 addrconf_rs_timer+0x3d1/0x600 net/ipv6/addrconf.c:3987 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457 expire_timers kernel/time/timer.c:1502 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1773 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__tlb_remove_page_size+0x5f/0x300 mm/mmu_gather.c:81 Code: 42 80 3c 23 00 74 08 4c 89 f7 e8 7c 85 08 00 48 89 5d c8 4c 89 75 c0 49 8b 1e 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 f0 01 00 00 8b 43 08 44 8d 68 01 44 89 6b 08 4c 8d 74 RSP: 0018:ffffc90005917470 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: ffff88810a278000 RCX: ffff88810b793b40 RDX: 0000000000000000 RSI: ffffea0004870380 RDI: ffff88810a278008 RBP: ffffc900059174b0 R08: ffffffff81a72b97 R09: fffff9400090e077 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea0004870380 R14: ffffc900059178a8 R15: ffffea0004870380 __tlb_remove_page include/asm-generic/tlb.h:444 [inline] zap_pte_range mm/memory.c:1437 [inline] zap_pmd_range mm/memory.c:1559 [inline] zap_pud_range mm/memory.c:1588 [inline] zap_p4d_range mm/memory.c:1609 [inline] unmap_page_range+0x1226/0x1ed0 mm/memory.c:1630 unmap_single_vma mm/memory.c:1675 [inline] unmap_vmas+0x389/0x560 mm/memory.c:1707 exit_mmap+0x3e4/0x940 mm/mmap.c:3215 __mmput+0x95/0x310 kernel/fork.c:1179 mmput+0x5b/0x170 kernel/fork.c:1202 exit_mm kernel/exit.c:552 [inline] do_exit+0xb9c/0x2ca0 kernel/exit.c:865 do_group_exit+0x141/0x310 kernel/exit.c:1000 get_signal+0x7a3/0x1630 kernel/signal.c:2896 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5dea733f39 Code: Unable to access opcode bytes at RIP 0x7f5dea733f0f. RSP: 002b:00007f5de936b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000008 RBX: 00007f5dea8ec130 RCX: 00007f5dea733f39 RDX: 000000000000275a RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f5dea7a6216 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5dea8ec130 R15: 00007fff5ec62a18 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 709 Comm: syz.4.34 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:235 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [inline] RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:208 Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 8a d5 51 01 5d c3 0f 1f 84 00 00 00 00 RSP: 0018:ffffc90000006eb8 EFLAGS: 00000046 RAX: 000000000000011d RBX: ffffffff8625d9d8 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000011d RDI: 0000000000000838 RBP: ffffc90000006eb8 R08: ffffffff8163cb2b R09: ffffffff8163ca1d R10: 0000000000000002 R11: ffff888131e8cf00 R12: 0000000000000020 R13: dffffc0000000000 R14: 000000000000011d R15: dffffc0000000000 FS: 00007f19d57366c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f175ed4ee18 CR3: 00000001278bb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:395 [inline] lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:468 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1824 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:virtio_net_hdr_from_skb include/linux/virtio_net.h:196 [inline] RIP: 0010:xmit_skb drivers/net/virtio_net.c:1735 [inline] RIP: 0010:start_xmit+0x737/0x1500 drivers/net/virtio_net.c:1785 Code: 85 62 0d 00 00 41 88 16 4c 8b 75 d0 49 8d 9e 80 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 14 0a 00 00 0f b7 1b <83> e3 60 bf 60 00 00 00 89 de e8 ba 04 64 fe 66 83 fb 60 0f 85 df RSP: 0018:ffffc90000007180 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000001e0 RCX: ffff888131e8cf00 RDX: 0000000000000504 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007260 R08: ffffffff830c5c01 R09: ffff88812a3fda28 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810a8f4000 R14: ffff88812a3fda00 R15: ffff88812a3fda28 __netdev_start_xmit include/linux/netdevice.h:5059 [inline] netdev_start_xmit include/linux/netdevice.h:5073 [inline] xmit_one net/core/dev.c:3624 [inline] dev_hard_start_xmit+0x228/0x620 net/core/dev.c:3640 sch_direct_xmit+0x298/0x9b0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3851 [inline] __dev_queue_xmit+0x161e/0x2e70 net/core/dev.c:4220 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288 neigh_hh_output include/net/neighbour.h:501 [inline] neigh_output include/net/neighbour.h:515 [inline] ip_finish_output2+0xb9f/0xf60 net/ipv4/ip_output.c:228 __ip_finish_output+0x162/0x360 ip_finish_output+0x31/0x210 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0x1d6/0x420 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x1105/0x1c20 net/ipv4/ip_output.c:532 ip_queue_xmit+0x4c/0x70 net/ipv4/ip_output.c:546 __tcp_transmit_skb+0x1e84/0x3920 net/ipv4/tcp_output.c:1402 __tcp_send_ack+0x303/0x710 net/ipv4/tcp_output.c:4009 tcp_send_ack+0x3b/0x60 net/ipv4/tcp_output.c:4015 tcp_delack_timer_handler+0x469/0x7b0 net/ipv4/tcp_timer.c:318 tcp_delack_timer+0x111/0x230 net/ipv4/tcp_timer.c:345 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457 expire_timers kernel/time/timer.c:1502 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1773 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x82/0x2a0 mm/kasan/generic.c:189 Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4d 89 f5 4d 29 cd 49 83 fd 10 7f 26 4d 85 ed 0f 84 44 01 00 00 49 f7 d2 4d 01 e2 41 80 39 00 <0f> 85 d2 01 00 00 49 ff c1 49 ff c2 75 ee e9 27 01 00 00 45 89 cf RSP: 0018:ffffc90000e97078 EFLAGS: 00000246 RAX: 1ffff110263d1a01 RBX: 000000000001ffff RCX: ffffffff814d36f7 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888116a21558 RBP: ffffc90000e970a0 R08: dffffc0000000000 R09: ffffed1022d442ab R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff11022d442ab R13: 0000000000000001 R14: ffffed1022d442ac R15: ffff8881002713c0 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] membarrier_mm_sync_core_before_usermode include/linux/sched/mm.h:360 [inline] finish_task_switch+0x1d7/0x7b0 kernel/sched/core.c:5048 context_switch kernel/sched/core.c:5155 [inline] __schedule+0xcd4/0x1590 kernel/sched/core.c:6512 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398 irqentry_exit+0x30/0x40 kernel/entry/common.c:432 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:release_pages+0x1/0x1370 mm/swap.c:933 Code: d4 ff 48 c7 c7 60 48 50 87 be 04 00 00 00 e8 d6 c9 16 00 f0 ff 05 2f 69 b4 05 bf 01 00 00 00 e8 85 f4 ff ff 5d c3 0f 1f 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 RSP: 0018:ffffc90000e973b8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff920001d2e98 RCX: 0000000000040000 RDX: ffffc9000ccb4000 RSI: 000000000000000f RDI: ffffc90000e974c8 RBP: ffffc90000e973f0 R08: ffffffff819bf2f1 R09: fffff9400092eae1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920001d2e98 R14: ffffc90000e974c8 R15: ffffc90000e974c0 pagevec_release include/linux/pagevec.h:81 [inline] shmem_undo_range+0x604/0x1560 mm/shmem.c:965 shmem_truncate_range+0x35/0xb0 mm/shmem.c:1064 shmem_setattr+0x586/0x6c0 mm/shmem.c:1123 notify_change+0xc7a/0xf30 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:66 handle_truncate fs/namei.c:3265 [inline] do_open fs/namei.c:3612 [inline] path_openat+0x28ed/0x2f40 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13f/0x830 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1261 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f19d6addf39 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:00007f19d5736038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f19d6c96058 RCX: 00007f19d6addf39 RDX: 000000000000275a RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f19d6b50216 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f19d6c96058 R15: 00007ffe2af6e618