kthread+0x346/0x3d0 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! [kworker/1:36:3278]
Modules linked in:
CPU: 1 PID: 3278 Comm: kworker/1:36 Tainted: G        W         5.10.238-syzkaller-00008-g59e9a7228857 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events bpf_prog_free_deferred
RIP: 0010:check_kcov_mode kernel/kcov.c:165 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 kernel/kcov.c:197
Code: 45 08 65 48 8b 0d 60 d9 9e 7e 65 8b 15 65 d9 9e 7e f7 c2 00 01 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
RSP: 0018:ffffc900069f7770 EFLAGS: 00000246
RAX: ffffffff81592918 RBX: 0000000000000000 RCX: ffff88811081e2c0
RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900069f7770 R08: dffffc0000000000 R09: ffffed103ee0aec9
R10: ffffed103ee0aec9 R11: 1ffff1103ee0aec8 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff92000d3eef4
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2c29f1 CR3: 00000001073bd000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 csd_lock_wait kernel/smp.c:229 [inline]
 smp_call_function_single+0x208/0x470 kernel/smp.c:517
 smp_call_function_many_cond+0x8f2/0x9e0 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xab/0x170 kernel/smp.c:837
 flush_tlb_kernel_range+0x3a/0x1c0 arch/x86/mm/tlb.c:950
 __purge_vmap_area_lazy+0xea/0x1470 mm/vmalloc.c:1355
 _vm_unmap_aliases+0x2f8/0x380 mm/vmalloc.c:1773
 vm_remove_mappings mm/vmalloc.c:2261 [inline]
 __vunmap+0x66e/0x9d0 mm/vmalloc.c:2292
 __vfree mm/vmalloc.c:2350 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2381
 module_memfree+0x17/0x30 kernel/module.c:2205
 bpf_jit_free_exec+0x15/0x20 kernel/bpf/core.c:870
 bpf_jit_binary_free+0x4c/0x260 kernel/bpf/core.c:919
 bpf_jit_free+0x7f/0x1e0 kernel/bpf/core.c:932
 bpf_prog_fre