watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/0:11:3514]
Modules linked in:
CPU: 0 PID: 3514 Comm: kworker/0:11 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events bpf_map_free_deferred
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 7a f0 0a 00 41 83 e5 01 75 0a e8 bf ec 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc90000b77b20 EFLAGS: 00000293
RAX: ffffffff815fbd64 RBX: 1ffff9200016ef6d RCX: ffff88810c8f4f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000b77c20 R08: ffffffff815fbd36 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000b77b68 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ffe900 CR3: 000000010de32000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 rcu_barrier+0x218/0x400 kernel/rcu/tree.c:3929
 htab_map_free+0x28/0x6a0 kernel/bpf/hashtab.c:1333
 bpf_map_free_deferred+0xb3/0x110 kernel/bpf/syscall.c:486
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5611 Comm: syz-executor.3 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #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:66 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline]
RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921
Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 65 4e d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 56 4e d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0000:ffffc90000e56c20 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff920001cad88 RCX: ffffffff8150b5a4
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000e56c60
RBP: ffffc90000e56cd0 R08: dffffc0000000000 R09: ffffed10219b49d9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810cda4ec0 R14: 0000000000000003 R15: 0000000000000046
FS:  00007f231c46d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ffe900 CR3: 0000000127186000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [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:195 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159
 force_sig_info_to_task+0x67/0x320 kernel/signal.c:1320
 force_sig_fault_to_task kernel/signal.c:1684 [inline]
 force_sig_fault+0x125/0x1c0 kernel/signal.c:1691
 no_context+0x2e1/0xf20 arch/x86/mm/fault.c:672
 __bad_area_nosemaphore+0xcd/0x440 arch/x86/mm/fault.c:848
 bad_area_nosemaphore+0x2d/0x40 arch/x86/mm/fault.c:855
 handle_page_fault arch/x86/mm/fault.c:1462 [inline]
 exc_page_fault+0x3ea/0x5b0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:.E_copy+0x12/0x111
Code: 0a 48 83 e1 f8 48 8b 01 8d 0a 83 e1 07 c1 e1 03 48 d3 e8 e9 d6 69 91 fd 48 89 c8 c3 01 ca e9 83 84 94 fd c1 e1 06 01 ca eb 07 <8d> 14 ca eb 02 89 ca e9 70 84 94 fd 01 ca e9 69 84 94 fd 8d 0c ca
RSP: 0000:ffffc90000e57338 EFLAGS: 00050002
RAX: 000000000000000e RBX: ffff88810f5a1ed0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000020ffe900 RDI: ffffc90000e573a8
RBP: ffffc90000e57368 R08: 0000000000000005 R09: ffffffff81aee863
R10: 0000000000000003 R11: ffff88810f5a13c0 R12: ffffc90000e573a8
R13: 0000000000000008 R14: 0000000020ffe900 R15: 1ffff11021eb43da
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:154 [inline]
 ____bpf_probe_read_user kernel/trace/bpf_trace.c:163 [inline]
 bpf_probe_read_user+0x2a/0x70 kernel/trace/bpf_trace.c:160
 bpf_prog_0ad38924bdbd0512+0x38/0x2c8
 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
 bpf_trace_run4+0x13e/0x2e0 kernel/trace/bpf_trace.c:2100
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:193
 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline]
 __alloc_pages_nodemask+0xa8e/0xaf0 mm/page_alloc.c:5374
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x80/0x400 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x302/0x4b0 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x1b9/0x2e0 mm/slub.c:2960
 __sigqueue_alloc+0x19e/0x2f0 kernel/signal.c:438
 __send_signal+0x1e6/0xb90 kernel/signal.c:1119
 send_signal+0x4c1/0x5e0 kernel/signal.c:1245
 force_sig_info_to_task+0x272/0x320 kernel/signal.c:1337
 force_sig_fault_to_task kernel/signal.c:1684 [inline]
 force_sig_fault+0x125/0x1c0 kernel/signal.c:1691
 no_context+0x2e1/0xf20 arch/x86/mm/fault.c:672
 __bad_area_nosemaphore+0xcd/0x440 arch/x86/mm/fault.c:848
 __bad_area arch/x86/mm/fault.c:869 [inline]
 bad_area+0x69/0x80 arch/x86/mm/fault.c:875
 handle_page_fault arch/x86/mm/fault.c:1462 [inline]
 exc_page_fault+0x439/0x5b0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:__put_user_nocheck_8+0x11/0x21
Code: 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f 00 00 48 39 d9 73 14 0f 01 cb 48 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 <0f> 01 ca b9 f2 ff ff ff c3 cc cc cc cc cc cc cc 55 48 89 e5 41 57
RSP: 0000:ffffc90000e57d98 EFLAGS: 00050283
RAX: 00000000663252ca RBX: 00007fffffffeff9 RCX: 0000000000000019
RDX: ffffc900026ba000 RSI: 0000000000000a89 RDI: 0000000000000a8a
RBP: ffffc90000e57e48 R08: ffffffff815b6014 R09: ffffc90000e57de0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000e57de0
R13: dffffc0000000000 R14: 1ffff920001cafb8 R15: 0000000000000019
 emulate_vsyscall+0xe33/0x13d0 arch/x86/entry/vsyscall/vsyscall_64.c:246
 do_user_addr_fault arch/x86/mm/fault.c:1309 [inline]
 handle_page_fault arch/x86/mm/fault.c:1462 [inline]
 exc_page_fault+0x147/0x5b0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:_end+0x783da000/0x0
Code: Unable to access opcode bytes at RIP 0xffffffffff5fffd6.
RSP: 002b:00007f231c46cb38 EFLAGS: 00010246
RAX: ffffffffffffffda RBX: 00007f231d827f80 RCX: 00007f231d6f9ea9
RDX: 00007f231c46cb40 RSI: 00007f231c46cc70 RDI: 0000000000000019
RBP: 00007f231d7464a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f231d827f80 R15: 00007ffcbe59eca8