watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.1:24004]
Modules linked in:
CPU: 1 PID: 24004 Comm: syz-executor.1 Tainted: G        W         5.15.148-syzkaller-00013-gad06eaf051cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x848/0x9b0 kernel/smp.c:969
Code: 89 fe 83 e6 01 31 ff e8 36 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 71 a4 0a 00 eb 38 f3 90 42 0f b6 04 3b <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 55 a4 0a 00 eb e4 44
RSP: 0018:ffffc900013c7200 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff1103ee07971 RCX: 0000000000040000
RDX: ffffc9000452e000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900013c7308 R08: ffffffff81657daa R09: ffffc900013c7140
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881f703cb88 R14: ffff8881f7138280 R15: dffffc0000000000
FS:  00007fb51a2c26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32e21000 CR3: 00000001a20fd000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 flush_tlb_kernel_range+0x49/0x210 arch/x86/mm/tlb.c:1026
 __purge_vmap_area_lazy+0x230/0x1690 mm/vmalloc.c:1694
 _vm_unmap_aliases+0x339/0x3b0 mm/vmalloc.c:2118
 vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:2141
 change_page_attr_set_clr+0x308/0x1050 arch/x86/mm/pat/set_memory.c:1740
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
 set_memory_ro+0xa1/0xe0 arch/x86/mm/pat/set_memory.c:1943
 bpf_jit_binary_lock_ro include/linux/filter.h:888 [inline]
 bpf_int_jit_compile+0xbf42/0xc6d0 arch/x86/net/bpf_jit_comp.c:2372
 bpf_prog_select_runtime+0x706/0x9e0 kernel/bpf/core.c:1930
 bpf_prog_load+0x1315/0x1b50 kernel/bpf/syscall.c:2331
 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4627
 __do_sys_bpf kernel/bpf/syscall.c:4731 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4729 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4729
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb51b54eea9
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:00007fb51a2c20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb51b67cf80 RCX: 00007fb51b54eea9
RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007fb51b59b4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb51b67cf80 R15: 00007ffce9d10f18
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 299 Comm: syz-fuzzer Tainted: G        W         5.15.148-syzkaller-00013-gad06eaf051cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:912
Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 8a 03 f3 03 f4 <e9> 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b
RSP: 0018:ffffc900000075e0 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000000ec0 RCX: ffffffff8154f88f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810dda5780
RBP: ffffc90000007690 R08: dffffc0000000000 R09: ffffed1021bb4af1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810dda5780 R14: 0000000000000003 R15: 1ffff92000000ec4
FS:  000000c000f1b490(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd4156fc98 CR3: 000000011fa53000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock_flags include/linux/spinlock.h:199 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 __lock_task_sighand kernel/signal.c:1413 [inline]
 lock_task_sighand include/linux/sched/signal.h:710 [inline]
 do_send_sig_info+0x7e/0x230 kernel/signal.c:1302
 group_send_sig_info+0x113/0x460 kernel/signal.c:1451
 bpf_send_signal_common+0x2d8/0x420 kernel/trace/bpf_trace.c:827
 ____bpf_send_signal kernel/trace/bpf_trace.c:832 [inline]
 bpf_send_signal+0x19/0x20 kernel/trace/bpf_trace.c:830
 bpf_prog_8cc4ff36b5985b6a+0x15/0x2d8
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1921
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 __traceiter_kmem_cache_free+0x32/0x50 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x2c3/0x2e0 mm/slub.c:3536
 file_free_rcu+0x9f/0xb0 fs/file_table.c:50
 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 do_softirq+0xf6/0x150 kernel/softirq.c:452
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210
 sock_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x16c
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1921
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 __traceiter_kmem_cache_free+0x32/0x50 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x2c3/0x2e0 mm/slub.c:3536
 __sigqueue_free kernel/signal.c:462 [inline]
 collect_signal kernel/signal.c:601 [inline]
 __dequeue_signal+0x4f8/0x600 kernel/signal.c:623
 dequeue_signal+0x10c/0x520 kernel/signal.c:643
 get_signal+0x7cf/0x1630 kernel/signal.c:2777
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x40720e
Code: 48 83 ec 38 e8 13 00 00 00 48 83 c4 38 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48
RSP: 002b:000000c000955748 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 000000000040720e
RDX: 0000000000000080 RSI: 000000c000955818 RDI: 0000000000000004
RBP: 000000c000955790 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003c7 R11: 0000000000000246 R12: 000000c000955820
R13: 0000000000000004 R14: 000000c00097d860 R15: 0000000000000027
 </TASK>