watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.0:10893] Modules linked in: irq event stamp: 2648091 hardirqs last enabled at (2648090): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2648091): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2632242): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2632245): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10893 Comm: syz-executor.0 Not tainted 6.13.0-rc3-next-20241217 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1f8/0x2490 Code: 89 54 24 18 48 89 4c 24 10 e8 24 32 77 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 54 24 18 48 8b 4c 24 10 44 8b 1c 95 ac 13 c3 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 ac 13 c3 86 49 RSP: 0018:ffff88806ce09138 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff81aef0be RDX: 000000000000aef0 RSI: 000000000000aef0 RDI: ffffffff86c5cf6c RBP: ffff88806ce09200 R08: 0000000000000000 R09: ffff88806ce091e8 R10: 000000000003aa6a R11: 00000000000252b3 R12: ffff88806ce09208 R13: ffff88806ce091f0 R14: ffff88806ce091e9 R15: ffff88806ce091a8 FS: 00007fcea8634700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555580dcf708 CR3: 000000004198c000 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_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 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:qlist_free_all+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff8880414675a0 EFLAGS: 00000246 RAX: ffff88800b64b5c8 RBX: ffff88800da87cb8 RCX: ffffea00002d92c0 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: ffff888008c4f780 R08: ffff88802e758a80 R09: 000000000012000b R10: ffffea0000b9d600 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880414675d8 R14: ffff88802e758a80 R15: ffff88802e758bf8 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_lru_noprof+0x303/0x3c0 proc_alloc_inode+0x27/0x210 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 proc_pid_make_inode+0x21/0x170 proc_pident_instantiate+0x85/0x320 proc_pident_lookup+0x211/0x2a0 __lookup_slow+0x252/0x470 walk_component+0x345/0x5b0 link_path_walk.part.0+0x683/0xd50 path_openat+0x2e3/0x2990 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fceab071a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fcea86340b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fceab1d1f60 RCX: 00007fceab071a04 RDX: 0000000000000000 RSI: 00007fceab117f82 RDI: 00000000ffffff9c RBP: 00007fceab117f82 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffc9282225f R14: 00007fcea8634300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 loop5: detected capacity change from 0 to 4 EXT4-fs (loop5): bad geometry: block count 512 exceeds size of device (2 blocks) loop5: detected capacity change from 0 to 4 EXT4-fs (loop5): bad geometry: block count 512 exceeds size of device (2 blocks) program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO PM: Enabling pm_trace changes system date and time during resume. PM: Correct system time has to be restored manually after resume. PM: Enabling pm_trace changes system date and time during resume. PM: Correct system time has to be restored manually after resume. loop5: detected capacity change from 0 to 40 program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO audit: type=1401 audit(1734451802.235:17): op=fscreate invalid_context=E5476EF2 audit: type=1401 audit(1734451802.286:18): op=fscreate invalid_context=E5476EF2 loop7: detected capacity change from 0 to 15 EXT4-fs (loop7): couldn't mount RDWR because of unsupported optional features (90c0000) audit: type=1401 audit(1734451802.551:19): op=fscreate invalid_context=E5476EF2 loop7: detected capacity change from 0 to 15 EXT4-fs (loop7): couldn't mount RDWR because of unsupported optional features (90c0000) audit: type=1401 audit(1734451802.950:20): op=fscreate invalid_context=E5476EF2 loop7: detected capacity change from 0 to 15 EXT4-fs (loop7): couldn't mount RDWR because of unsupported optional features (90c0000) loop7: detected capacity change from 0 to 15 EXT4-fs (loop7): couldn't mount RDWR because of unsupported optional features (90c0000) audit: type=1401 audit(1734451803.274:21): op=fscreate invalid_context=E5476EF2 ---------------- Code disassembly (best guess): 0: 89 54 24 18 mov %edx,0x18(%rsp) 4: 48 89 4c 24 10 mov %rcx,0x10(%rsp) 9: e8 24 32 77 00 callq 0x773232 e: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 13: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 18: 44 8b 54 24 18 mov 0x18(%rsp),%r10d 1d: 48 8b 4c 24 10 mov 0x10(%rsp),%rcx 22: 44 8b 1c 95 ac 13 c3 mov -0x793cec54(,%rdx,4),%r11d 29: 86 * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 ac 13 c3 lea -0x793cec54(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB