watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:30196] Modules linked in: irq event stamp: 4913391 hardirqs last enabled at (4913390): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4913391): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4888810): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4888813): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 30196 Comm: syz-executor.3 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0xfc/0x130 Code: 00 02 87 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 f0 a6 c2 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e6 41 02 00 45 31 ed eb RSP: 0018:ffff88806cf094f0 EFLAGS: 00000296 RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000000 RBP: ffffffff856084e0 R08: 0000000000000000 R09: ffffffff85d07c97 R10: fffffbfff0ba0f92 R11: 0000000000000001 R12: ffff888039fd5040 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888039fd5ab8 FS: 00007fc6a7bad700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6aa685c70 CR3: 000000001bef2000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_read_lock_sched_held+0x42/0x80 lock_release+0x54b/0x750 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc10 kmem_cache_alloc_node+0x283/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x43/0x2130 Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 48 0f b6 04 02 84 c0 74 08 3c 03 0f 8e d2 08 00 00 41 8b 1e 31 c0 85 db 75 13 48 83 c4 48 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 42 46 2f 03 48 b8 00 00 00 00 00 RSP: 0018:ffff888035567130 EFLAGS: 00000296 RAX: 0000000000000001 RBX: ffff8880355672f8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880355672c8 RDI: 0000000000000001 RBP: ffff888035560000 R08: ffffffff860f4e8a R09: ffffffff860f4e8e R10: ffffed1006aace3a R11: ffff8880355671a8 R12: ffff8880355671a9 R13: ffff8880355671c8 R14: ffff888035567168 R15: 0000000000000007 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 __create_object+0x389/0xc10 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 kmemdup+0x2c/0x60 sidtab_sid2str_get+0x180/0x650 sidtab_entry_to_string+0x33/0x110 security_sid_to_context_core+0x33b/0x570 selinux_inode_init_security+0x4c6/0x6b0 security_inode_init_security+0x155/0x360 __ext4_new_inode+0x39a9/0x55e0 ext4_create+0x2e4/0x4e0 lookup_open.isra.0+0xed0/0x1250 path_openat+0x946/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x143/0x200 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc6aa637b19 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:00007fc6a7bad188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fc6aa74af60 RCX: 00007fc6aa637b19 RDX: 0000000000004042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fc6aa691f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe8614ae1f R14: 00007fc6a7bad300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ee 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8442021b RDX: fffffbfff0b483b1 RSI: 0000000000000004 RDI: ffffffff85a41d80 RBP: ffffffff85a41d80 R08: 0000000000000000 R09: ffffffff85a41d83 R10: fffffbfff0b483b0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b483b0 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff7951d7400 CR3: 00000000193ee000 CR4: 0000000000350ef0 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+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 0b 01 fe cc cc cc cc cc cc cc cc 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 53 a0 40 00 fb f4 90 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffffff85407e20 EFLAGS: 00000206 RAX: ffffffff8441dde0 RBX: ffffffff854328c0 RCX: ffffffff843fe862 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce34f03 R10: ffffed100d9c69e0 R11: 0000000000000001 R12: fffffbfff0a86518 R13: ffffffff85d07c90 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 rest_init+0x166/0x260 arch_call_rest_init+0x13/0x2c start_kernel+0x4a2/0x4c7 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 00 02 add %al,(%rdx) 2: 87 84 e8 b5 0e 00 00 xchg %eax,0xeb5(%rax,%rbp,8) 9: b8 ff ff ff ff mov $0xffffffff,%eax e: 65 0f c1 05 f0 a6 c2 xadd %eax,%gs:0x7bc2a6f0(%rip) # 0x7bc2a706 15: 7b 16: 83 f8 01 cmp $0x1,%eax 19: 75 26 jne 0x41 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 e8 mov %r13d,%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 e6 41 02 00 jmpq 0x24222 3c: 45 31 ed xor %r13d,%r13d 3f: eb .byte 0xeb