watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.7:8824] Modules linked in: irq event stamp: 2530865 hardirqs last enabled at (2530864): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2530865): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2526364): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2526383): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 8824 Comm: syz-executor.7 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 Code: 5d 41 5c 41 5d e9 30 a1 38 03 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 a0 dd 91 7e 65 8b 05 a1 dd 91 RSP: 0018:ffff88806cf09858 EFLAGS: 00000202 RAX: 0000000000269e2a RBX: 0000000000000200 RCX: 1ffffffff0fe8289 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8140d67e RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fdfbf9 R10: ffffffff87efdfcf R11: 00000000fa83b2da R12: 0000000000000001 R13: 0000000000000040 R14: ffff888008c71000 R15: ffff88806cf09d70 FS: 00007f36961bc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd92fa2ea8 CR3: 0000000033e72000 CR4: 0000000000350ef0 Call Trace: queue_work_on+0x84/0xe0 ieee80211_rx_handlers+0x5e78/0x9110 ieee80211_prepare_and_rx_handle+0x1f9d/0x5e70 ieee80211_rx_for_interface+0x10e/0x200 ieee80211_rx_list+0x1bec/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 04 c6 ab ff 4d 85 ed 74 06 e8 ca 4b d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888014eef610 EFLAGS: 00000246 RAX: 0000000000268cad RBX: ffffea0000fed280 RCX: 1ffffffff0fe1d2b RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a47796 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: ffffffff87efdf4f R11: 0000000000000000 R12: ffff88806cf40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803fb4a940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_node_track_caller_noprof+0x18f/0x490 kmemdup_nul+0x3b/0xa0 security_context_to_sid_core+0xb0/0x850 selinux_kernfs_init_security+0x1a1/0x4c0 security_kernfs_init_security+0x42/0x90 __kernfs_new_node+0x53d/0x850 kernfs_new_node+0x18b/0x250 __kernfs_create_file+0x55/0x360 cgroup_addrm_files+0x51d/0xbe0 css_populate_dir+0x395/0x490 cgroup_mkdir+0x350/0xfd0 kernfs_iop_mkdir+0x151/0x1e0 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdirat+0x84/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3698c46b19 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:00007f36961bc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f3698d59f60 RCX: 00007f3698c46b19 RDX: 00000000000001ff RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f3698ca0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd52cb22f R14: 00007f36961bc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: 41 5c pop %r12 3: 41 5d pop %r13 5: e9 30 a1 38 03 jmpq 0x338a13a a: 48 c7 c0 f4 ff ff ff mov $0xfffffffffffffff4,%rax 11: eb 92 jmp 0xffffffa5 13: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 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: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 34 24 mov (%rsp),%rsi 32: 65 48 8b 15 a0 dd 91 mov %gs:0x7e91dda0(%rip),%rdx # 0x7e91ddda 39: 7e 3a: 65 gs 3b: 8b .byte 0x8b 3c: 05 .byte 0x5 3d: a1 .byte 0xa1 3e: dd .byte 0xdd 3f: 91 xchg %eax,%ecx