watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.1:4429] Modules linked in: irq event stamp: 6601581 hardirqs last enabled at (6601580): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6601581): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (6565090): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (6565093): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 4429 Comm: syz-executor.1 Not tainted 6.2.0-next-20230222 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__stack_depot_save+0x14c/0x460 Code: 29 48 85 ed 75 12 e9 92 00 00 00 48 8b 6d 00 48 85 ed 0f 84 85 00 00 00 39 5d 08 75 ee 44 3b 7d 0c 75 e8 31 c0 48 8b 74 c5 18 <49> 39 34 c6 75 db 48 83 c0 01 48 39 c2 75 ec 48 8b 7c 24 20 48 85 RSP: 0018:ffff88806ce096d0 EFLAGS: 00000212 RAX: 0000000000000003 RBX: 00000000b62ddd09 RCX: ffff88806caee848 RDX: 0000000000000011 RSI: ffffffff817f7cc2 RDI: 00000000e176eebe RBP: ffff888042ee0690 R08: 00000000c68220cc R09: ffff888019aa0958 R10: fffffbfff0ba4f42 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000092820 R14: ffff88806ce09738 R15: 0000000000000011 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000010c CR3: 0000000005482000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kasan_save_stack+0x32/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x320 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x215/0x330 __alloc_skb+0x28c/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb08/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __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:__tlb_remove_page_size+0x4/0x480 Code: 18 e8 60 90 0c 00 e9 a4 fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <41> 57 41 56 41 55 49 89 f5 41 54 55 53 48 89 fb e8 47 14 d8 ff 48 RSP: 0018:ffff888044def6d8 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffffea0000cec900 RCX: 0000000000000000 RDX: 0000000000001000 RSI: ffffea0000cec900 RDI: ffff888044defac8 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000002 R13: ffff888044defac8 R14: dffffc0000000000 R15: 0000000000000001 unmap_page_range+0x1131/0x2da0 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+0x122/0x190 irqentry_exit_to_user_mode+0x9/0x30 exc_page_fault+0xc8/0x1a0 asm_exc_page_fault+0x26/0x30 RIP: 0033:0x7f592f1b4ba0 Code: Unable to access opcode bytes at 0x7f592f1b4b76. RSP: 002b:00007f592c78bbb8 EFLAGS: 00000212 RAX: 0000000000000000 RBX: 00007f592f329f60 RCX: 0000000000000000 RDX: 00007f592c78bbc0 RSI: 00007f592c78bcf0 RDI: 000000000000000b RBP: 00007f592f270f6d R08: 0000000020000500 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000009d70a R12: 0000000000000000 R13: 00007fffa3bf561f R14: 00007f592c78c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-next-20230222 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc50 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 d5 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 3e 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff844a400b RDX: fffffbfff0b4ad55 RSI: 0000000000000004 RDI: ffffffff85a56aa0 RBP: ffffffff85a56aa0 R08: 0000000000000000 R09: ffffffff85a56aa3 R10: fffffbfff0b4ad54 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4ad54 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc76c70998 CR3: 0000000017416000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6de/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __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:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d e3 35 3a 00 fb f4 e9 5f 13 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008e1fe70 EFLAGS: 00000206 RAX: 00000000001f608b RBX: ffff888008da5040 RCX: ffffffff84483c3e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812847b0 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf34f83 R10: ffffed100d9e69f0 R11: 0000000000000001 R12: ffffed10011b4a08 R13: ffffffff85d27a10 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x300/0x3d0 cpu_startup_entry+0x18/0x20 start_secondary+0x1ca/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 29 48 85 sub %ecx,-0x7b(%rax) 3: ed in (%dx),%eax 4: 75 12 jne 0x18 6: e9 92 00 00 00 jmpq 0x9d b: 48 8b 6d 00 mov 0x0(%rbp),%rbp f: 48 85 ed test %rbp,%rbp 12: 0f 84 85 00 00 00 je 0x9d 18: 39 5d 08 cmp %ebx,0x8(%rbp) 1b: 75 ee jne 0xb 1d: 44 3b 7d 0c cmp 0xc(%rbp),%r15d 21: 75 e8 jne 0xb 23: 31 c0 xor %eax,%eax 25: 48 8b 74 c5 18 mov 0x18(%rbp,%rax,8),%rsi * 2a: 49 39 34 c6 cmp %rsi,(%r14,%rax,8) <-- trapping instruction 2e: 75 db jne 0xb 30: 48 83 c0 01 add $0x1,%rax 34: 48 39 c2 cmp %rax,%rdx 37: 75 ec jne 0x25 39: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi 3e: 48 rex.W 3f: 85 .byte 0x85