watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.5:8114] Modules linked in: irq event stamp: 3238927 hardirqs last enabled at (3238926): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3238927): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3234434): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3234439): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 8114 Comm: syz-executor.5 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xa60/0x2490 Code: 00 e9 e6 f6 ff ff 49 8d 76 f8 ba 08 00 00 00 4c 89 ff 4c 89 44 24 20 48 89 4c 24 18 48 89 74 24 10 e8 c4 f3 ff ff 4d 8d 4f 40 <84> c0 0f 84 9e f8 ff ff 48 8b 74 24 10 48 89 f7 e8 ab eb ff ff 48 RSP: 0018:ffff88806cf08f98 EFLAGS: 00000282 RAX: ffff88806cf0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09101 RSI: ffff88806cf09138 RDI: ffff88806cf09018 RBP: ffff88806cf09060 R08: ffffffff867d317a R09: ffff88806cf09048 R10: 000000000003c001 R11: 0000000000012344 R12: ffff88806cf09068 R13: ffff88806cf09050 R14: ffff88806cf09140 R15: ffff88806cf09008 FS: 00007fc10bfa2700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe34f41fc8 CR3: 00000000193e2000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 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:__schedule+0x128b/0x2fa0 Code: 85 ff 0f 84 8f 0b 00 00 49 8d 85 b0 02 00 00 48 89 85 f0 fe ff ff e9 75 f2 ff ff e8 ef 88 d4 fc e9 34 ef ff ff be ff ff ff ff <48> c7 c7 80 60 c1 85 e8 29 41 ff ff 85 c0 0f 84 cb ee ff ff e8 4c RSP: 0018:ffff88801edc7aa8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffed10070826e0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff888038414168 RBP: ffff88801edc7bd8 R08: 0000000000000000 R09: ffff888038414138 R10: ffffffff863f9417 R11: ffffea0000c34db8 R12: ffff88806cf3b980 R13: ffff888038413700 R14: 0000000000000001 R15: 0000000000000001 __cond_resched+0x45/0x70 kmem_cache_alloc_noprof+0x2e9/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 anon_inode_getfile+0xb4/0x1e0 __do_sys_perf_event_open+0x1776/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc10ea2cb19 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:00007fc10bfa2188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fc10eb3ff60 RCX: 00007fc10ea2cb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007fc10ea86f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb52f4a0f R14: 00007fc10bfa2300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 audit: type=1400 audit(1732293348.798:12): avc: denied { read } for pid=8136 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 e6 f6 ff ff jmpq 0xfffff6eb 5: 49 8d 76 f8 lea -0x8(%r14),%rsi 9: ba 08 00 00 00 mov $0x8,%edx e: 4c 89 ff mov %r15,%rdi 11: 4c 89 44 24 20 mov %r8,0x20(%rsp) 16: 48 89 4c 24 18 mov %rcx,0x18(%rsp) 1b: 48 89 74 24 10 mov %rsi,0x10(%rsp) 20: e8 c4 f3 ff ff callq 0xfffff3e9 25: 4d 8d 4f 40 lea 0x40(%r15),%r9 * 29: 84 c0 test %al,%al <-- trapping instruction 2b: 0f 84 9e f8 ff ff je 0xfffff8cf 31: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 36: 48 89 f7 mov %rsi,%rdi 39: e8 ab eb ff ff callq 0xffffebe9 3e: 48 rex.W