kthread+0x34b/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299 watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:22929] Modules linked in: CPU: 1 PID: 22929 Comm: syz-executor.0 Tainted: G W 5.10.215-syzkaller-00370-gb58b8f9dad93 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x45/0x60 kernel/kcov.c:202 Code: ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 dc 0a 00 00 00 74 2c 8b 91 b8 0a 00 00 83 fa 02 75 21 48 8b 91 c0 0a 00 00 48 8b 32 <48> 8d 7e 01 8b 89 bc 0a 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 RSP: 0018:ffffc90000d66e10 EFLAGS: 00000246 RAX: ffffffff815fc0c4 RBX: 1ffff920001acdcd RCX: ffff888125b813c0 RDX: ffffc900036f8000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000d66e10 R08: ffffffff815fc096 R09: ffffed103ee0aec9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc90000d66e68 R15: 0000000000000000 FS: 00007f865e4cb6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000786c6c257830 CR3: 000000010ef96000 CR4: 00000000003506a0 DR0: 0000000020000240 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600 Call Trace: csd_lock_wait kernel/smp.c:229 [inline] smp_call_function_single+0x294/0x510 kernel/smp.c:517 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+0x40/0x1c0 arch/x86/mm/tlb.c:950 __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+0x61/0xc6 RIP: 0033:0x7f865f1510a9 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:00007f865e4cb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f865f287f80 RCX: 00007f865f1510a9 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00007f865f1c0074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f865f287f80 R15: 00007ffff9c9c178 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 22961 Comm: syz-executor.4 Tainted: G W 5.10.215-syzkaller-00370-gb58b8f9dad93 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 c5 4f d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d b6 4f d5 03 fb f4 4c 89 7c 24 18 ff RSP: 0018:ffffc90000ed7120 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff920001dae28 RCX: ffffffff8150b884 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000ed7160 RBP: ffffc90000ed71d0 R08: dffffc0000000000 R09: ffffed10250a324e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888128519268 R14: 0000000000000003 R15: 0000000000000046 FS: 00007f4b131886c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000125c8c000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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 htab_lock_bucket kernel/bpf/hashtab.c:154 [inline] htab_map_delete_elem+0xe2/0x4f0 kernel/bpf/hashtab.c:1261 bpf_prog_e509fe9a369bff76+0x3d/0x794 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline] bpf_trace_run7+0x1b9/0x350 kernel/trace/bpf_trace.c:2103 __bpf_trace_percpu_alloc_percpu+0x43/0x60 include/trace/events/percpu.h:10 trace_percpu_alloc_percpu include/trace/events/percpu.h:10 [inline] pcpu_alloc+0x12b4/0x1420 mm/percpu.c:1844 __alloc_percpu_gfp+0x27/0x30 mm/percpu.c:1893 alloc_htab_elem+0x3d6/0x710 kernel/bpf/hashtab.c:915 __htab_percpu_map_update_elem+0x2d3/0x450 kernel/bpf/hashtab.c:1151 bpf_percpu_hash_update+0x90/0xc0 kernel/bpf/hashtab.c:1939 bpf_map_update_value+0x25d/0x420 kernel/bpf/syscall.c:194 map_update_elem kernel/bpf/syscall.c:1136 [inline] __do_sys_bpf kernel/bpf/syscall.c:4423 [inline] __se_sys_bpf+0x7687/0x11cb0 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+0x61/0xc6 RIP: 0033:0x7f4b13e0e0a9 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:00007f4b131880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f4b13f44f80 RCX: 00007f4b13e0e0a9 RDX: 0000000000000020 RSI: 0000000020000940 RDI: 0000000000000002 RBP: 00007f4b13e7d074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4b13f44f80 R15: 00007fff8c4e5438