RBP: 00007f1e3b2ca45b R08: 00007ffd44c357ac R09: 0079746972756365
R10: 00007ffd44c35810 R11: 0000000000000246 R12: 000000000000000e
R13: 000000000010e056 R14: 000000000010e048 R15: 0000000000000008
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 266s! [syz-executor.3:21343]
Modules linked in:
CPU: 1 PID: 21343 Comm: syz-executor.3 Not tainted 6.1.75-syzkaller-00017-gca4095789fda #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_cmp4+0x34/0x90 kernel/kcov.c:278
Code: 8b 15 10 0e 8d 7e 65 8b 05 11 0e 8d 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 5b 83 ba 6c 0b 00 00 00 74 52 8b 82 48 0b 00 00 <83> f8 03 75 47 48 8b 8a 50 0b 00 00 44 8b 8a 4c 0b 00 00 49 c1 e1
RSP: 0000:ffffc90000ebf298 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffff88812e622880 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ebf298 R08: ffffffff81b4e60f R09: ffffed10328d06c0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888194683200 R15: ffff8881946835fc
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd44c33940 CR3: 000000019d931000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 flush_tlb_batched_pending+0x5f/0xe0 mm/rmap.c:725
 zap_pte_range mm/memory.c:1430 [inline]
 zap_pmd_range mm/memory.c:1584 [inline]
 zap_pud_range mm/memory.c:1613 [inline]
 zap_p4d_range mm/memory.c:1634 [inline]
 unmap_page_range+0xb9c/0x2480 mm/memory.c:1655
 unmap_single_vma mm/memory.c:1701 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1741
 exit_mmap+0x2d1/0x940 mm/mmap.c:3331
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 exc_page_fault+0x4f3/0x700 arch/x86/mm/fault.c:1565
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f1e3b24911b
Code: Unable to access opcode bytes at 0x7f1e3b2490f1.
RSP: 002b:00007ffd44c33b40 EFLAGS: 00010246
RAX: 00007ffd44c35c60 RBX: 00007f1e3b37efe0 RCX: 0000000000000000
RDX: 00007ffd44c35ca0 RSI: 00007f1e3b2c90d2 RDI: 00007ffd44c33b60
RBP: 00007f1e3b2ca45b R08: 00007ffd44c357ac R09: 0079746972756365
R10: 00007ffd44c35810 R11: 0000000000000246 R12: 000000000000000e
R13: 000000000010e056 R14: 000000000010e048 R15: 0000000000000008
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 32643 Comm: kworker/u4:59 Not tainted 6.1.75-syzkaller-00017-gca4095789fda #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x856/0x930 kernel/smp.c:998
Code: e6 01 31 ff e8 0b 9e 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 46 9a 09 00 e9 2f ff ff ff f3 90 42 0f b6 04 3b <84> c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff e8 24 9a 09 00
RSP: 0018:ffffc90008c67840 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff1103ee27705 RCX: ffff888136186540
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90008c67958 R08: ffffffff816bc3c5 R09: ffffed103ee0707b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000800000000 R14: ffff8881f713b828 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c1ecd5000 CR3: 0000000006c0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1329 [inline]
 text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1529
 text_poke_flush arch/x86/kernel/alternative.c:1720 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1727
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:455
 jump_label_update+0x3af/0x450 kernel/jump_label.c:801
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:804
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>