watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.1:18854] Modules linked in: irq event stamp: 2382189 hardirqs last enabled at (2382188): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2382189): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2332110): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2332113): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 18854 Comm: syz-executor.1 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0xe3/0x120 Code: 31 c0 44 39 f0 41 0f 94 c0 b8 ff ff ff ff 65 0f c1 05 e9 c9 7d 7b 83 f8 01 75 2e 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 c0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 db 48 02 00 44 89 c0 e9 RSP: 0018:ffff88806ce09990 EFLAGS: 00000296 RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff85c16140 RDI: ffff88801911a638 RBP: ffffffff85c16140 R08: 0000000000000001 R09: ffffed1003cfaa70 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888019119b80 R13: ffff88801911a5c0 R14: 00000000ffffffff R15: ffff88801911a638 FS: 00007f502f55c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31325000 CR3: 000000002759c000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_addr_iter+0xf1/0x1e0 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb21/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 4e a9 fc 48 89 ef e8 6e c1 a9 fc 80 e7 02 74 06 e8 84 1b d3 fc fb 65 ff 0d 54 bc 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88803aa5f588 EFLAGS: 00000246 RAX: 000000000022099b RBX: 0000000000000256 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: ffff888009402a80 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 0000000000000000 R12: ffffea0000eb9400 R13: ffff888009402a80 R14: ffff88803ae56600 R15: ffff888009406280 __slab_free+0x2a4/0x310 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_alloc+0x4a/0x1e0 d_alloc_parallel+0xe6/0x1140 lookup_open.isra.0+0x960/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5031fe6b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f502f55c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f50320f9f60 RCX: 00007f5031fe6b19 RDX: 00000000001c5042 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f5032040f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc273f259f R14: 00007f502f55c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x66/0x1b0 Code: 5b 5d 41 5c e9 2b 16 fb 02 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df <4d> 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d RSP: 0018:ffff88806cf099c0 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8486f2bf RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff860db1c0 RBP: ffffffff860db1c0 R08: 0000000000000000 R09: fffffbfff0c1b638 R10: ffffffff860db1c3 R11: 5050505001000011 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b638 R15: ffff88806cf09a18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005580d4e25618 CR3: 000000001b4be000 CR4: 0000000000350ef0 Call Trace: queued_spin_lock_slowpath+0xaf/0xb60 do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d e9 b0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000202 RAX: 000000000019cc79 RBX: 0000000000000001 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9410 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: 31 c0 xor %eax,%eax 2: 44 39 f0 cmp %r14d,%eax 5: 41 0f 94 c0 sete %r8b 9: b8 ff ff ff ff mov $0xffffffff,%eax e: 65 0f c1 05 e9 c9 7d xadd %eax,%gs:0x7b7dc9e9(%rip) # 0x7b7dc9ff 15: 7b 16: 83 f8 01 cmp $0x1,%eax 19: 75 2e jne 0x49 1b: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 22: 00 23: 74 01 je 0x26 25: fb sti 26: 48 83 c4 08 add $0x8,%rsp * 2a: 44 89 c0 mov %r8d,%eax <-- trapping instruction 2d: 5b pop %rbx 2e: 5d pop %rbp 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: e9 db 48 02 00 jmpq 0x24917 3c: 44 89 c0 mov %r8d,%eax 3f: e9 .byte 0xe9