watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.6:11409] Modules linked in: irq event stamp: 4308531 hardirqs last enabled at (4308530): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4308531): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4298420): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (4298423): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 11409 Comm: syz-executor.6 Not tainted 6.3.0-rc2-next-20230314 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_addr_iter+0x4/0x1e0 Code: ef e8 60 03 72 fe e9 6b ff ff ff e8 16 04 72 fe eb bc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 57 41 56 49 89 fe 41 55 49 89 d5 41 54 4d 8d a5 70 03 00 00 55 RSP: 0018:ffff88806ce09a58 EFLAGS: 00000246 RAX: ffffffff830e8a80 RBX: ffff888041470b80 RCX: 0000000000000100 RDX: ffff8880414723d0 RSI: ffff8880414727bc RDI: ffff88806ce09b10 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880414723d0 R13: 0000000000000001 R14: ffff88801a28a8e0 R15: 0000000000000002 FS: 00007f0ec1866700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93e3d89fe0 CR3: 000000001a298000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb2e/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __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:__read_once_word_nocheck+0x3/0x10 Code: ff e8 71 70 6d 00 e9 37 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 07 dc 6a 38 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff888049da74a0 EFLAGS: 00000202 RAX: 00007f0ec42f0b19 RBX: ffffffff8649b75d RCX: 0000000000000001 RDX: ffff888049da8001 RSI: ffff888049da7f58 RDI: ffff888049da7fd8 RBP: ffff888049da7570 R08: ffffffff8649b75c R09: ffff888049da7558 R10: 0000000000038001 R11: 0000000000000001 R12: ffff888049da7578 R13: ffff888049da7518 R14: ffff888049da7f58 R15: 0000000000000001 unwind_next_frame+0x13e8/0x22d0 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_bulk+0x379/0x6a0 mas_alloc_nodes+0x276/0x8a0 mas_node_count_gfp+0x106/0x140 mas_expected_entries+0x117/0x210 dup_mmap+0x3d9/0x1780 copy_process+0x6ffc/0x74e0 kernel_clone+0xeb/0x8c0 __do_sys_fork+0x80/0xc0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0ec42f0b19 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:00007f0ec1866188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f0ec4403f60 RCX: 00007f0ec42f0b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f0ec434af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff00dff1af R14: 00007f0ec1866300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: ef out %eax,(%dx) 1: e8 60 03 72 fe callq 0xfe720366 6: e9 6b ff ff ff jmpq 0xffffff76 b: e8 16 04 72 fe callq 0xfe720426 10: eb bc jmp 0xffffffce 12: 0f 1f 40 00 nopl 0x0(%rax) 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: f3 0f 1e fa endbr64 * 2a: 41 57 push %r15 <-- trapping instruction 2c: 41 56 push %r14 2e: 49 89 fe mov %rdi,%r14 31: 41 55 push %r13 33: 49 89 d5 mov %rdx,%r13 36: 41 54 push %r12 38: 4d 8d a5 70 03 00 00 lea 0x370(%r13),%r12 3f: 55 push %rbp