watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.4.130:904]
Modules linked in:
CPU: 0 PID: 904 Comm: syz.4.130 Not tainted 5.4.276-syzkaller-00020-g4275fce9fe94 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:stack_trace_consume_entry+0xe5/0x240 kernel/stacktrace.c:93
Code: 84 c0 0f 85 0f 01 00 00 48 8b 04 24 44 89 30 b0 01 e9 96 00 00 00 e8 3a 88 10 00 31 c0 e9 8a 00 00 00 e8 2e 88 10 00 48 89 d8 <48> c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48
RSP: 0018:ffff8881f6e08f48 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: ffff8881f6e09080 RBX: ffff8881f6e09080 RCX: ffff8881e0318000
RDX: 0000000000000502 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1103edc1211 R08: ffffffff8153b08f R09: ffff8881f6e08ff0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103edc1211
R13: 0000000000000005 R14: 0000000000000000 R15: 1ffff1103edc1212
FS:  00007f33ac29d6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc79619d48 CR3: 00000001dd203000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 arch_stack_walk+0x105/0x140 arch/x86/kernel/stacktrace.c:27
 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]
 kmem_cache_free+0x10b/0x2c0 mm/slub.c:3096
 xfrmi_xmit+0x9db/0x1130 net/xfrm/xfrm_interface_core.c:402
 __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:3954
 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:539 [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
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3b eb 85 e8 35 01 43 fd 48 83 3d 9d 1e 9a 01 00 74 29 48 89 df e8 93 d6 fa fc 66 90 fb bf 01 00 00 00 <e8> 16 c3 f3 fc 65 8b 05 7b 70 b1 7b 85 c0 74 02 5b c3 e8 04 37 af
RSP: 0018:ffff8881eaa46db0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6e57b40 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881eaa46e10 R08: ffffffff81799679 R09: fffffbfff0c96e7b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6e57b40
R13: ffff8881e0318000 R14: dffffc0000000000 R15: ffff8881e3ac6f80
 finish_lock_switch kernel/sched/core.c:3347 [inline]
 finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
 context_switch kernel/sched/core.c:3611 [inline]
 __schedule+0xb0d/0x1320 kernel/sched/core.c:4307
 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:4456
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:4481
 ___preempt_schedule+0x16/0x20 arch/x86/entry/thunk_64.S:50
 unwind_next_frame+0x19c2/0x1ea0 arch/x86/kernel/unwind_orc.c:603
 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_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]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 __d_alloc+0x2a/0x6a0 fs/dcache.c:1691
 d_alloc fs/dcache.c:1770 [inline]
 d_alloc_parallel+0xec/0x1390 fs/dcache.c:2522
 lookup_open fs/namei.c:3293 [inline]
 do_last fs/namei.c:3471 [inline]
 path_openat+0x9f5/0x34b0 fs/namei.c:3683
 do_filp_open+0x20b/0x450 fs/namei.c:3713
 do_sys_open+0x39c/0x810 fs/open.c:1123
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f33ad01a5d0
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 79 8d 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 cc 8d 02 00 8b 44
RSP: 002b:00007f33ac29cf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f33ad01a5d0
RDX: 0000000000000002 RSI: 00007f33ac29cfb0 RDI: 00000000ffffff9c
RBP: 00007f33ac29cfb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000000b R14: 00007f33ad1a9fa0 R15: 00007ffdaada58b8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 872 Comm: syz.3.146 Not tainted 5.4.276-syzkaller-00020-g4275fce9fe94 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:check_memory_region+0x1/0x280 mm/kasan/generic.c:190
Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 a3 89 59 85 eb 0a 48 c7 c7 db 89 59 85 4c 89 fe e8 8c 91 bb 02 31 db eb d7 90 90 55 <41> 57 41 56 53 b0 01 48 85 f6 0f 84 8e 01 00 00 48 89 fd 48 c1 ed
RSP: 0018:ffff8881f6f095d0 EFLAGS: 00000046
RAX: 1ffffffff0ac63e3 RBX: ffff8881f6f589a0 RCX: ffffffff81515c32
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881f6f589a0
RBP: ffff8881f6f00000 R08: ffffffff82316961 R09: ffffffff86e92058
R10: ffffffff86e92043 R11: 1ffffffff0dd2408 R12: dffffc0000000000
R13: 1ffff1103edeb133 R14: ffff8881f6f58998 R15: ffffffff85631f18
FS:  00007f3d05a986c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d066e7258 CR3: 00000001ed422000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline]
 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:301 [inline]
 rcu_nmi_exit_common kernel/rcu/tree.c:652 [inline]
 rcu_irq_exit+0xb2/0x250 kernel/rcu/tree.c:712
 exiting_irq arch/x86/include/asm/apic.h:539 [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:arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
Code: ff 00 74 34 48 8d 9d 70 ff ff ff 48 89 df e8 7b e4 05 00 48 85 c0 74 20 4c 89 f7 48 89 c6 31 d2 41 ff d5 84 c0 74 11 48 89 df <e8> 7f e5 05 00 83 bd 70 ff ff ff 00 75 d3 65 48 8b 04 25 28 00 00
RSP: 0018:ffff8881f6f09700 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: ffff8881e008de01 RBX: ffff8881f6f09700 RCX: 0000000000000100
RDX: 0000000000000100 RSI: 0000000000000040 RDI: ffff8881f6f09700
RBP: ffff8881f6f09790 R08: ffffffff8153b152 R09: ffff8881f6f09750
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e008de80
R13: ffffffff8153aff0 R14: ffff8881f6f097e0 R15: 0000000000000000
 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_track_caller+0x100/0x2b0 mm/slub.c:4449
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210
 alloc_skb include/linux/skbuff.h:1080 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:687
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3954
 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:539 [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
 </IRQ>
RIP: 0010:pte_lockptr include/linux/mm.h:2039 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1063 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1222 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1251 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1272 [inline]
RIP: 0010:unmap_page_range+0xa3b/0x2620 mm/memory.c:1293
Code: fe 1a 00 00 e8 16 75 d9 ff 4c 89 6c 24 08 ba 10 00 00 00 48 8d bc 24 80 01 00 00 31 f6 e8 9d 2d 09 00 48 8b 84 24 c0 00 00 00 <42> 80 3c 20 00 48 8b 5c 24 50 74 08 48 89 df e8 01 5a 09 00 4c 8b
RSP: 0018:ffff8881e078f5a0 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103c7e342b RBX: 0400000000000080 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8881e078f730
RBP: ffff8881e078f790 R08: dffffc0000000000 R09: ffff8881e078f720
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 00007f3d05791000 R14: 0000000000000000 R15: 0000000000000000
 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: 0033:0x7f3d066e7282
Code: Bad RIP value.
RSP: 002b:00007f3d05a98070 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 00007f3d06903ea0 RBX: 00007f3d069a4fa0 RCX: 00007f3d069a4fa0
RDX: 0000000000004615 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f3d0689777e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3d069a4fa0 R15: 00007ffcd39ca9b8