kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.3076:12339]
Modules linked in:
CPU: 1 PID: 12339 Comm: syz.3.3076 Not tainted 5.10.218-syzkaller-00638-g3feee789f446 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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:ffffc9000146ee20 EFLAGS: 00000246
RAX: ffffffff815fbde4 RBX: 1ffff9200028ddcd RCX: 0000000000040000
RDX: ffffc90001a64000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000146ef10 R08: ffffffff815fbdb6 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc9000146ee68 R15: 0000000000000000
FS:  00007f83e93336c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011a6ba000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
 flush_tlb_kernel_range+0x14d/0x1c0 arch/x86/mm/tlb.c:957
 __purge_vmap_area_lazy+0x102/0x1620 mm/vmalloc.c:1355
 _vm_unmap_aliases+0x334/0x3b0 mm/vmalloc.c:1773
 vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:1796
 change_page_attr_set_clr+0x308/0x1050 arch/x86/mm/pat/set_memory.c:1732
 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline]
 set_memory_ro+0xa1/0xe0 arch/x86/mm/pat/set_memory.c:1935
 bpf_jit_binary_lock_ro include/linux/filter.h:842 [inline]
 bpf_int_jit_compile+0x9829/0x9dc0 arch/x86/net/bpf_jit_comp.c:2130
 bpf_prog_select_runtime+0x735/0x9c0 kernel/bpf/core.c:1872
 bpf_prog_load kernel/bpf/syscall.c:2243 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4435 [inline]
 __se_sys_bpf+0x1080e/0x11cb0 kernel/bpf/syscall.c:4391
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f83ea0b1bd9
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:00007f83e9333048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f83ea23ff60 RCX: 00007f83ea0b1bd9
RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f83ea120e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f83ea23ff60 R15: 00007ffcf2cdfbb8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12335 Comm: syz.0.3075 Not tainted 5.10.218-syzkaller-00638-g3feee789f446 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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 95 52 d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 86 52 d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0000:ffffc90000cc6f20 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000198de8 RCX: ffffffff8150b5a4
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000cc6f60
RBP: ffffc90000cc6fd0 R08: dffffc0000000000 R09: ffffed1021998349
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810ccc1a40 R14: 0000000000000003 R15: 0000000000000046
FS:  00007f3decbba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000121a08000 CR4: 00000000003506b0
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:839
 bad_area_nosemaphore+0x2d/0x40 arch/x86/mm/fault.c:846
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x3ea/0x5b0 arch/x86/mm/fault.c:1509
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0x2b8/0x2d0 lib/strncpy_from_user.c:139
Code: fb fe 45 31 f6 eb e4 e8 76 d2 fb fe 49 c7 c6 f2 ff ff ff eb d6 e8 68 d2 fb fe 49 c7 c6 f2 ff ff ff eb c8 e8 5a d2 fb fe eb a9 <e8> 53 d2 fb fe 4d 29 f5 4c 8b 7d d0 e9 28 ff ff ff cc cc cc cc cc
RSP: 0000:ffffc90000cc7620 EFLAGS: 00050046
RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888125e14f00
RDX: ffffc90002da9000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: ffffc90000cc7668 R08: ffffffff826ed64a R09: ffffffff81aefd33
R10: 0000000000000003 R11: ffff888125e14f00 R12: 0000000000000008
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000cc76e8
 strncpy_from_user_nofault+0x73/0x150 mm/maccess.c:279
 bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:191 [inline]
 ____bpf_probe_read_user_str kernel/trace/bpf_trace.c:200 [inline]
 bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:197
 bpf_prog_78f9c3f13797e2ae+0x35/0x534
 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
 bpf_trace_run5+0x176/0x320 kernel/trace/bpf_trace.c:2101
 __bpf_trace_signal_generate+0x3c/0x50 include/trace/events/signal.h:50
 trace_signal_generate include/trace/events/signal.h:50 [inline]
 __send_signal+0xb39/0xb90 kernel/signal.c:1186
 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:839
 __bad_area arch/x86/mm/fault.c:860 [inline]
 bad_area+0x69/0x80 arch/x86/mm/fault.c:866
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x439/0x5b0 arch/x86/mm/fault.c:1509
 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:ffffc90000cc7d98 EFLAGS: 00050283
RAX: 00000000668d2ce5 RBX: 00007fffffffeff9 RCX: 0000000000000019
RDX: ffffc90002da9000 RSI: 0000000000000a17 RDI: 0000000000000a18
RBP: ffffc90000cc7e48 R08: ffffffff815b60b4 R09: ffffc90000cc7de0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000cc7de0
R13: dffffc0000000000 R14: 1ffff92000198fb8 R15: 0000000000000019
 emulate_vsyscall+0xe33/0x13d0 arch/x86/entry/vsyscall/vsyscall_64.c:246
 do_user_addr_fault arch/x86/mm/fault.c:1300 [inline]
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x147/0x5b0 arch/x86/mm/fault.c:1509
 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:00007f3decbb9ab8 EFLAGS: 00010246
RAX: ffffffffffffffda RBX: 00007f3dedac6f60 RCX: 00007f3ded938bd9
RDX: 00007f3decbb9ac0 RSI: 00007f3decbb9bf0 RDI: 0000000000000019
RBP: 00007f3ded9a7e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3dedac6f60 R15: 00007ffe7090ff98