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.5.1435:5358] Modules linked in: CPU: 1 PID: 5358 Comm: syz.5.1435 Tainted: G W 5.10.234-syzkaller-00148-g6686f2996d23 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:190 Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 11 79 05 48 89 de e8 b4 f5 3c 00 5b 5d c3 cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 10 ae 97 7e 65 8b 15 15 ae 97 RSP: 0000:ffffc90000c76e18 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff9200018edcd RCX: ffff888111813b40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000c76f10 R08: ffffffff815fd626 R09: ffffed103ee0aec9 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc90000c76e68 R15: 0000000000000000 FS: 00007f0161f3f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c31cff8 CR3: 000000010e308000 CR4: 00000000003506a0 DR0: 0000400000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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:1876 bpf_prog_load kernel/bpf/syscall.c:2243 [inline] __do_sys_bpf kernel/bpf/syscall.c:4440 [inline] __se_sys_bpf+0x1080e/0x11cb0 kernel/bpf/syscall.c:4396 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4396 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f01638f5de9 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:00007f0161f3f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0163b0f080 RCX: 00007f01638f5de9 RDX: 0000000000000080 RSI: 0000400000000140 RDI: 0000000000000005 RBP: 00007f01639772a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0163b0f080 R15: 00007fff1bec9788 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5355 Comm: syz.5.1435 Tainted: G W 5.10.234-syzkaller-00148-g6686f2996d23 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 a5 53 d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 4c 89 7c 24 18 ff RSP: 0018:ffffc90002c9efa0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000593df8 RCX: ffffffff8150ca64 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90002c9efe0 RBP: ffffc90002c9f050 R08: dffffc0000000000 R09: ffffed10241e4128 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888120f20938 R14: 0000000000000003 R15: 0000000000000046 FS: 00007f0161f606c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000002a000 CR3: 000000010e308000 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:1264 bpf_prog_6d52ab8c8b188c5a+0x3e/0x500 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline] bpf_trace_run7+0x232/0x350 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:918 __htab_percpu_map_update_elem+0x2d3/0x450 kernel/bpf/hashtab.c:1154 bpf_percpu_hash_update+0x90/0xc0 kernel/bpf/hashtab.c:1942 bpf_map_update_value+0x25d/0x420 kernel/bpf/syscall.c:194 generic_map_update_batch+0x533/0x860 kernel/bpf/syscall.c:1372 bpf_map_do_batch+0x4c3/0x620 __se_sys_bpf+0xc3c/0x11cb0 kernel/bpf/syscall.c:4396 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4396 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f01638f5de9 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:00007f0161f60038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0163b0efa0 RCX: 00007f01638f5de9 RDX: 0000000000000038 RSI: 0000400000000140 RDI: 000000000000001a RBP: 00007f01639772a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0163b0efa0 R15: 00007fff1bec9788