watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz-executor.0:3481] Modules linked in: CPU: 1 PID: 3481 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-00002-g6f97bd951d82 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__read_once_size_nocheck+0x3/0x10 include/linux/compiler.h:286 Code: 80 e1 07 38 c1 0f 8c ae fc ff ff 48 89 df e8 d4 37 64 00 48 ba 00 00 00 00 00 fc ff df e9 97 fc ff ff e8 e0 07 0b 00 48 8b 07 <48> 89 06 c3 66 0f 1f 84 00 00 00 00 00 be 17 00 00 00 48 c7 c7 a0 RSP: 0018:ffff8881f6f08dd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff813e9441 RBX: 1ffff1103ede11e4 RCX: 1ffff1103ede121c RDX: ffffffff867c13da RSI: ffff8881f6f08f20 RDI: ffff8881e57d7c28 RBP: ffff8881f6f090d0 R08: 0000000000000001 R09: ffff8881f6f09130 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0cf827b R13: ffff8881f6f08f20 R14: ffff8881e57d7c28 R15: dffffc0000000000 FS: 00007f8d062696c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8df155311c CR3: 00000001ee3e2000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: deref_stack_reg arch/x86/kernel/unwind_orc.c:350 [inline] unwind_next_frame+0xfab/0x1ea0 arch/x86/kernel/unwind_orc.c:526 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123 save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] kasan_set_free_info mm/kasan/common.c:345 [inline] __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487 slab_free_hook mm/slub.c:1455 [inline] slab_free_freelist_hook mm/slub.c:1494 [inline] slab_free mm/slub.c:3080 [inline] kfree+0x123/0x370 mm/slub.c:4071 skb_release_all net/core/skbuff.c:675 [inline] __kfree_skb net/core/skbuff.c:689 [inline] consume_skb+0xa5/0x2a0 net/core/skbuff.c:849 dummy_xmit+0x157/0x1d0 drivers/net/dummy.c:91 __netdev_start_xmit include/linux/netdevice.h:4538 [inline] netdev_start_xmit include/linux/netdevice.h:4552 [inline] xmit_one net/core/dev.c:3221 [inline] dev_hard_start_xmit+0x1b7/0x6b0 net/core/dev.c:3237 __dev_queue_xmit+0x14da/0x27e0 net/core/dev.c:3802 neigh_output include/net/neighbour.h:518 [inline] ip6_finish_output2+0xf9e/0x18e0 net/ipv6/ip6_output.c:144 NF_HOOK_COND include/linux/netfilter.h:292 [inline] ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248 dst_output include/net/dst.h:438 [inline] NF_HOOK include/linux/netfilter.h:303 [inline] ndisc_send_skb+0x702/0xc30 net/ipv6/ndisc.c:509 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448 expire_timers kernel/time/timer.c:1493 [inline] __run_timers+0x879/0xbe0 kernel/time/timer.c:1817 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:538 [inline] smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:atomic_add_negative include/asm-generic/atomic-instrumented.h:767 [inline] RIP: 0010:page_remove_file_rmap mm/rmap.c:1252 [inline] RIP: 0010:page_remove_rmap+0x1ce/0x810 mm/rmap.c:1317 Code: ee e8 56 ce d5 ff 41 01 ec 48 81 fb f0 7f 00 00 0f 84 0c 04 00 00 e8 31 cc d5 ff 48 83 c3 40 eb bf e8 26 cc d5 ff 49 8d 7f 30 04 00 00 00 e8 98 84 05 00 31 db f0 41 83 47 30 ff 40 0f 99 c5 RSP: 0018:ffff8881e57d7558 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffffffff818e6ffa RBX: 0000000000000000 RCX: ffff8881ecc1ee40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0007684eb0 RBP: 0000000000000000 R08: ffffffff818e6eb6 R09: fffff94000ed09d1 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffffd4000ed09d1 R14: ffffea0007684e88 R15: ffffea0007684e80 zap_pte_range mm/memory.c:1105 [inline] zap_pmd_range mm/memory.c:1222 [inline] zap_pud_range mm/memory.c:1251 [inline] zap_p4d_range mm/memory.c:1272 [inline] unmap_page_range+0x10b7/0x2620 mm/memory.c:1293 unmap_single_vma mm/memory.c:1338 [inline] unmap_vmas+0x355/0x4b0 mm/memory.c:1370 exit_mmap+0x2bc/0x520 mm/mmap.c:3191 __mmput+0x8e/0x2c0 kernel/fork.c:1101 exit_mm kernel/exit.c:536 [inline] do_exit+0xc08/0x2bc0 kernel/exit.c:846 do_group_exit+0x138/0x300 kernel/exit.c:982 get_signal+0xdb1/0x1440 kernel/signal.c:2735 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f8d06eef0a9 Code: Bad RIP value. RSP: 002b:00007f8d06269178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f8d07025f88 RCX: 00007f8d06eef0a9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f8d07025f8c RBP: 00007f8d07025f80 R08: 00007ffc907c80b0 R09: 00007f8d062696c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d07025f8c R13: 000000000000000b R14: 00007ffc907a6720 R15: 00007ffc907a6808 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3476 Comm: syz-executor.2 Tainted: G W 5.4.274-syzkaller-00002-g6f97bd951d82 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/msr.h:105 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:164 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:275 [inline] RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:207 Code: 74 2d 83 ff 30 74 28 eb 10 81 ff d0 00 00 00 74 1e 81 ff e0 00 00 00 74 16 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 c3 89 f6 31 d2 e9 ac 30 1a 01 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8881f6e09078 EFLAGS: 00000046 RAX: 0000000000000071 RBX: ffffffff856321e0 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 0000000000000071 RDI: 0000000000000838 RBP: 0000000000000071 R08: ffffffff8157c22b R09: ffffffff8157c1b7 R10: ffff8881d5553f00 R11: 0000000000000002 R12: dffffc0000000000 R13: 0000000000000002 R14: 0000000000000071 R15: dffffc0000000000 FS: 00007f7ddf9896c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7de05bd0ee CR3: 00000001e292a000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000090602 Call Trace: apic_write arch/x86/include/asm/apic.h:395 [inline] lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:466 clockevents_program_event+0x199/0x2c0 kernel/time/clockevents.c:334 hrtimer_interrupt+0x4b3/0x890 kernel/time/hrtimer.c:1718 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline] smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:__kernel_text_address+0x0/0x100 kernel/extable.c:102 Code: 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c0 00 00 e0 85 48 39 c7 0f 93 c0 48 c7 c1 40 70 4c 86 48 39 cf 0f 92 c1 20 c1 0f b6 c1 c3 <55> 41 56 53 48 89 fb 48 c7 c0 00 00 00 81 bd 01 00 00 00 48 39 c7 RSP: 0018:ffff8881f6e092b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff8881f6e09328 RCX: b0af5eb70c5b7100 RDX: dffffc0000000000 RSI: ffff8881f6e08e60 RDI: ffffffff8153b268 RBP: ffff8881f6e09370 R08: dffffc0000000000 R09: ffff8881f6e09330 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d5553f00 R13: ffffffff8153b310 R14: dffffc0000000000 R15: 1ffff1103edc1265 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:313 arch_stack_walk+0xf5/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123 save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc_node mm/slub.c:2829 [inline] slab_alloc mm/slub.c:2837 [inline] __kmalloc+0x105/0x2e0 mm/slub.c:3909 kmalloc include/linux/slab.h:561 [inline] kzalloc include/linux/slab.h:690 [inline] neigh_alloc net/core/neighbour.c:439 [inline] ___neigh_create+0x6d2/0x1ae0 net/core/neighbour.c:592 ip6_finish_output2+0x965/0x18e0 net/ipv6/ip6_output.c:141 NF_HOOK_COND include/linux/netfilter.h:292 [inline] ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248 dst_output include/net/dst.h:438 [inline] NF_HOOK include/linux/netfilter.h:303 [inline] ndisc_send_skb+0x702/0xc30 net/ipv6/ndisc.c:509 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448 expire_timers kernel/time/timer.c:1493 [inline] __run_timers+0x879/0xbe0 kernel/time/timer.c:1817 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:538 [inline] smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:check_preemption_disabled+0x35/0x320 lib/smp_processor_id.c:13 Code: 54 53 48 83 e4 e0 48 81 ec 80 00 00 00 49 89 f7 49 89 fc 65 48 8b 04 25 28 00 00 00 48 89 44 24 60 48 c7 44 24 20 b3 8a b5 41 <48> c7 44 24 28 ca c8 57 85 48 c7 44 24 30 10 6c 31 82 4c 8d 6c 24 RSP: 0018:ffff8881e31c7460 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: b0af5eb70c5b7100 RBX: ffffffffffffffee RCX: ffff8881d5553f00 RDX: 0000000000000000 RSI: ffffffff84e24b60 RDI: ffffffff84fa4680 RBP: ffff8881e31c7510 R08: ffffffff82316ca1 R09: fffff94000f15f9f R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff84fa4680 R13: 000000000000000f R14: ffffffff8648c080 R15: ffffffff84e24b60 __mod_node_page_state+0x93/0xd0 mm/vmstat.c:352 __mod_lruvec_page_state include/linux/memcontrol.h:765 [inline] page_remove_file_rmap mm/rmap.c:1261 [inline] page_remove_rmap+0x535/0x810 mm/rmap.c:1317 zap_pte_range mm/memory.c:1105 [inline] zap_pmd_range mm/memory.c:1222 [inline] zap_pud_range mm/memory.c:1251 [inline] zap_p4d_range mm/memory.c:1272 [inline] unmap_page_range+0x10b7/0x2620 mm/memory.c:1293 unmap_single_vma mm/memory.c:1338 [inline] unmap_vmas+0x355/0x4b0 mm/memory.c:1370 exit_mmap+0x2bc/0x520 mm/mmap.c:3191 __mmput+0x8e/0x2c0 kernel/fork.c:1101 exit_mm kernel/exit.c:536 [inline] do_exit+0xc08/0x2bc0 kernel/exit.c:846 do_group_exit+0x138/0x300 kernel/exit.c:982 get_signal+0xdb1/0x1440 kernel/signal.c:2735 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194 ret_from_intr+0x1c/0x1c RIP: 0033:0x7f7de05bd118 Code: Bad RIP value. RSP: 002b:00007f7ddf9890d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: ffffffffffffffff RBX: 00007f7de0745f80 RCX: ffffffffffffffb0 RDX: 0000000000000000 RSI: 0000000020000740 RDI: 0000000000000005 RBP: 00007f7de067e074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7de0745f80 R15: 00007ffd7c709318