watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:9317] Modules linked in: irq event stamp: 2454825 hardirqs last enabled at (2454824): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2454825): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2449200): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2449203): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9317 Comm: syz-executor.2 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: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:ffff88806cf09028 EFLAGS: 00000282 RAX: ffff88806cf0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09501 RSI: ffff88806cf09590 RDI: ffff88806cf090a8 RBP: ffff88806cf090f0 R08: ffffffff86bbd076 R09: ffff88806cf090d8 R10: 000000000003aab6 R11: 00000000000b885f R12: ffff88806cf090f8 R13: ffff88806cf090e0 R14: ffff88806cf09598 R15: ffff88806cf09098 FS: 00007f9a7053e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a6212f890 CR3: 000000003eeca000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 ieee80211_inform_bss+0x80c/0x10b0 cfg80211_inform_single_bss_data+0x801/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 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:__sanitizer_cov_trace_const_cmp4+0x8/0x20 Code: bf 03 00 00 00 e9 48 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 1a fe ff ff 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffff88803eb3f6a0 EFLAGS: 00000286 RAX: 00000000fffffd03 RBX: dffffc0000000000 RCX: ffffffff84a5b5d5 RDX: 00000000fffffd00 RSI: 00000000fffffffd RDI: 0000000000000000 RBP: 00000000fffffffd R08: 0000000000000003 R09: ffffed10025d7001 R10: 0000000000000018 R11: 000000000c401918 R12: ffff888012eb800a R13: ffffffff84dd3427 R14: 0000000000000020 R15: ffff88803eb3f7c0 vsnprintf+0x2b5/0x1610 seq_printf+0x19d/0x250 proc_keys_show+0x781/0xd90 traverse.part.0+0xd7/0x620 seq_read_iter+0x932/0x1300 proc_reg_read_iter+0x20e/0x2e0 do_iter_readv_writev+0x5fe/0x7e0 vfs_readv+0x442/0x7e0 do_preadv+0x1b6/0x270 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a7300ab19 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:00007f9a7053e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f9a7311e0e0 RCX: 00007f9a7300ab19 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 00007f9a73064f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000600 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf5491d1f R14: 00007f9a7053e300 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), 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