watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:129603] Modules linked in: irq event stamp: 5648915 hardirqs last enabled at (5648914): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5648915): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5629262): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (5629265): [] __irq_exit_rcu+0xcc/0x110 CPU: 1 PID: 129603 Comm: syz-executor.2 Not tainted 6.2.0-rc8-next-20230217 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get_with_offset+0x222/0x260 Code: 02 00 00 00 31 f6 48 c7 c7 c8 a9 62 85 e8 06 4c f1 ff 48 8b 74 24 60 48 c7 c7 c8 a9 62 85 e8 25 40 f1 ff e8 c0 89 16 00 fb 5a a2 fe ff ff e8 24 67 0f 00 0f 0b e9 28 fe ff ff 4c 89 f7 e8 25 RSP: 0018:ffff88806cf09cc8 EFLAGS: 00000202 RAX: 0000000000563152 RBX: 0000000000000200 RCX: ffffffff812cb1df RDX: ffffffff830eb4a3 RSI: 0000000000000000 RDI: ffffffff813c1490 RBP: ffff888037313a00 R08: 0000000000000001 R09: ffffffff8777896f R10: fffffbfff0eef12d R11: 0000000000000001 R12: ffff8880340da3d0 R13: fffffbfff0ac5551 R14: ffffffff8562aa88 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b9a3b6fe0 CR3: 000000003031c000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mac80211_hwsim_beacon_tx+0x3a3/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x20 Code: bf 03 00 00 00 e9 58 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 2a fe ff ff 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffff88803a6f7570 EFLAGS: 00000246 RAX: 0000000000000007 RBX: ffffea0000f93cf4 RCX: ffffffff81656851 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 RBP: ffff888018c9a9c8 R08: 0000000000000000 R09: ffffea0000f93cf7 R10: fffff940001f279e R11: 0000000000000001 R12: 0000000000000020 R13: dffffc0000000000 R14: 0000000000000137 R15: ffffea0000f93cc0 release_pages+0x271/0x1040 tlb_batch_pages_flush+0xa8/0x1b0 unmap_page_range+0x1aec/0x2da0 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7efe7edbab19 Code: Unable to access opcode bytes at 0x7efe7edbaaef. RSP: 002b:00007efe7c330218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007efe7eecdf68 RCX: 00007efe7edbab19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007efe7eecdf68 RBP: 00007efe7eecdf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007efe7eecdf6c R13: 00007ffecfdfa6df R14: 00007efe7c330300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 00 00 add %al,(%rax) 4: 31 f6 xor %esi,%esi 6: 48 c7 c7 c8 a9 62 85 mov $0xffffffff8562a9c8,%rdi d: e8 06 4c f1 ff callq 0xfff14c18 12: 48 8b 74 24 60 mov 0x60(%rsp),%rsi 17: 48 c7 c7 c8 a9 62 85 mov $0xffffffff8562a9c8,%rdi 1e: e8 25 40 f1 ff callq 0xfff14048 23: e8 c0 89 16 00 callq 0x1689e8 28: fb sti 29: 5a pop %rdx * 2a: e9 a2 fe ff ff jmpq 0xfffffed1 <-- trapping instruction 2f: e8 24 67 0f 00 callq 0xf6758 34: 0f 0b ud2 36: e9 28 fe ff ff jmpq 0xfffffe63 3b: 4c 89 f7 mov %r14,%rdi 3e: e8 .byte 0xe8 3f: 25 .byte 0x25