RBP: 00007f10852ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f10853abf80 R15: 00007ffc1ca7f688 watchdog: BUG: soft lockup - CPU#1 stuck for 266s! [syz-executor.0:10186] Modules linked in: CPU: 1 PID: 10186 Comm: syz-executor.0 Not tainted 6.1.75-syzkaller-00025-g26f2c9be9ebe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:kasan_check_range+0x1c3/0x2a0 mm/kasan/generic.c:189 Code: 07 4d 85 ed 49 0f 49 dd 48 83 e3 f8 49 29 dd 74 12 41 80 39 00 0f 85 a6 00 00 00 49 ff c1 49 ff cd 75 ee 5b 41 5c 41 5d 41 5e <41> 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 00 75 5d 41 f7 c6 00 RSP: 0018:ffffc900092af218 EFLAGS: 00000297 RAX: 0000000000000001 RBX: 1ffff92001255e48 RCX: ffffffff84ff4164 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900092af260 RBP: ffffc900092af220 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffea0004331e68 R14: 1ffff92001255e4c R15: ffffc900092af260 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f021000 CR3: 0000000161cfd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:102 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:542 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock include/linux/spinlock.h:186 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline] _raw_spin_lock+0xa4/0x1b0 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] zap_pte_range mm/memory.c:1428 [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+0xb8f/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: 0033:0x7f108527de71 Code: Unable to access opcode bytes at 0x7f108527de47. RSP: 002b:00000000ff600000 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f10853abf80 RCX: 00007f108527de69 RDX: 0000000000000000 RSI: 00000000ff600000 RDI: 0000000000000000 RBP: 00007f10852ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f10853abf80 R15: 00007ffc1ca7f688 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5165 Comm: kworker/u4:30 Not tainted 6.1.75-syzkaller-00025-g26f2c9be9ebe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x17/0x60 kernel/kcov.c:207 Code: 48 8b 3d 54 aa d9 05 48 89 de e8 14 24 46 00 5b 5d c3 cc 55 48 89 e5 48 8b 45 08 65 48 8b 0d 90 0f 8d 7e 65 8b 15 91 0f 8d 7e c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 6c 0b 00 00 RSP: 0018:ffffc90001017830 EFLAGS: 00000202 RAX: ffffffff816bc3fc RBX: 1ffff1103ee27705 RCX: ffff888116ce1440 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90001017830 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: 00007f6eb16d5000 CR3: 0000000006c0f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: csd_lock_wait kernel/smp.c:453 [inline] smp_call_function_many_cond+0x86c/0x930 kernel/smp.c:998 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_disable_cpuslocked+0xcd/0x1b0 kernel/jump_label.c:207 static_key_disable+0x1a/0x30 kernel/jump_label.c:215 toggle_allocation_gate+0x3b4/0x450 mm/kfence/core.c:818 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