watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [kworker/u4:0:8]
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 6.3.0-rc3-syzkaller-00021-ga1effab7a3a3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:442 [inline]
RIP: 0010:smp_call_function_many_cond+0x9c3/0xad0 kernel/smp.c:987
Code: 89 f6 83 e6 01 31 ff e8 7b 9e 09 00 41 83 e6 01 49 be 00 00 00 00 00 fc ff df 75 07 e8 96 9a 09 00 eb 38 f3 90 42 0f b6 04 33 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 7a 9a 09 00 eb e4 44
RSP: 0018:ffffc90000087840 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff1103ee47cb9 RCX: ffff888108278000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000087998 R08: ffffffff816b1fa5 R09: ffffed103ee673b3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881f723e5c8 R14: dffffc0000000000 R15: ffff8881f7339d88
FS:  0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdd4788148 CR3: 00000000062a4000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x44/0x80 kernel/smp.c:1155
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1770 [inline]
 text_poke_bp_batch+0x1ed/0x740 arch/x86/kernel/alternative.c:1970
 text_poke_flush arch/x86/kernel/alternative.c:2161 [inline]
 text_poke_finish+0x1e/0x30 arch/x86/kernel/alternative.c:2168
 arch_jump_label_transform_apply+0x19/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:483
 jump_label_update+0x3af/0x450 kernel/jump_label.c:829
 static_key_enable_cpuslocked+0x133/0x250 kernel/jump_label.c:205
 static_key_enable+0x1e/0x30 kernel/jump_label.c:218
 toggle_allocation_gate+0xb5/0x240 mm/kfence/core.c:799
 process_one_work+0x6ab/0xc00 kernel/workqueue.c:2390
 worker_thread+0xac7/0x12b0 kernel/workqueue.c:2537
 kthread+0x271/0x310 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2273 Comm: syz-executor.0 Not tainted 6.3.0-rc3-syzkaller-00021-ga1effab7a3a3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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_const_cmp4+0x38/0x90 kernel/kcov.c:304
Code: 8b 15 8c c4 8e 7e 65 8b 05 8d c4 8e 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 5b 83 ba 54 0a 00 00 00 74 52 8b 82 30 0a 00 00 <83> f8 03 75 47 48 8b 8a 38 0a 00 00 44 8b 8a 34 0a 00 00 49 c1 e1
RSP: 0018:ffffc90001bdfc78 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888113c73000
RDX: ffff888113c73000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001bdfc78 R08: ffffffff82b2dca8 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff865cb3a0 R14: ffff8881091a4ea8 R15: dffffc0000000000
FS:  00005555571a1400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde7980e718 CR3: 000000011fdc1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vga_put drivers/pci/vgaarb.c:379 [inline]
 vga_put drivers/pci/vgaarb.c:540 [inline]
 vga_arb_release+0x358/0x950 drivers/pci/vgaarb.c:1463
 __fput+0x3fe/0x910 fs/file_table.c:321
 ____fput+0x19/0x20 fs/file_table.c:349
 task_work_run+0x24a/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x8b/0xa0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x2a/0x140 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fde78a3dfab
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffdd4787f70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fde78a3dfab
RDX: 00007fde78600338 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007fde78bad980 R08: 0000000000000000 R09: 00007fde78600000
R10: 00007fde78600340 R11: 0000000000000293 R12: 0000000000009f07
R13: 00007ffdd4788070 R14: 00007fde78bac050 R15: 0000000000000032
 </TASK>