watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:20840] Modules linked in: irq event stamp: 2445527 hardirqs last enabled at (2445526): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2445527): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2391524): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2391529): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 20840 Comm: syz-executor.3 Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x89/0xf0 Code: 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 d8 48 39 c1 <73> b0 4c 8d 63 fc 4c 39 e5 76 b3 4d 29 ee 49 c1 fe 02 4b 8d 04 76 RSP: 0018:ffff88806cf09720 EFLAGS: 00000202 RAX: ffffffff81aefe59 RBX: ffffffff864cd93c RCX: ffffffff81aefe6c RDX: 0000000000000000 RSI: ffffffff86847898 RDI: ffffffff864cd920 RBP: ffffffff864cd920 R08: ffffffff86847898 R09: ffff88806cf09818 R10: 000000000003a808 R11: 00000000000252ec R12: ffffffff864cd95c R13: ffffffff864cd920 R14: ffffffff864cd920 R15: dffffc0000000000 FS: 00007f61324cd700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555578b3e708 CR3: 0000000013288000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x2b7/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 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:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 b1 9d ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88803e71f820 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d000a RCX: 00000000000d000b RDX: ffff8880171d4250 RSI: ffffea00005c7500 RDI: 0000000000089800 RBP: ffff88803e71f8c0 R08: 0000000000000001 R09: 00000000000d000a R10: ffffea00005c7500 R11: 00000000000007e0 R12: ffffea00005c7500 R13: ffff8880171d4000 R14: 0000000000000000 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x289/0x540 bdev_getblk+0x2d3/0x630 ext4_getblk+0x26a/0x8e0 ext4_bread+0x2e/0x1a0 ext4_append+0x225/0x540 ext4_init_new_dir+0x21f/0x460 ext4_mkdir+0x3d2/0xb30 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6134f56c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f61324ccfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6134f56c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f61324cd040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f61324cd000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2017 Comm: kworker/u9:7 Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:ieee80211_bss_info_update+0x209/0xa90 Code: fd 48 8d bd 70 1c 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0f 08 00 00 4c 8b b5 70 1c 00 00 42 3b 34 00 31 ff 89 c6 89 44 24 10 e8 f5 bc 00 fd 8b 44 24 10 RSP: 0018:ffff88801677f890 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888016c0f528 RCX: ffffffff84713dad RDX: 1ffff11007ba2552 RSI: ffffffff847137f0 RDI: ffff88803dd12a90 RBP: ffff88803dd10e20 R08: 0000000000000000 R09: fffffbfff0fddddc R10: 0000000000000001 R11: 0000000000000532 R12: ffff88800f32b350 R13: ffff88803dd13318 R14: 0000000000000000 R15: ffff88801677f8f0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c002d3f000 CR3: 000000001651a000 CR4: 0000000000350ef0 Call Trace: ieee80211_ibss_rx_queued_mgmt+0x18ba/0x2fa0 ieee80211_iface_work+0xb5f/0xe40 cfg80211_wiphy_work+0x34f/0x480 process_one_work+0x8ee/0x1a10 worker_thread+0x674/0xe70 kthread+0x3ab/0x720 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 No source specified netlink: 'syz-executor.3': attribute type 4 has an invalid length. No source specified No source specified audit: type=1400 audit(1734107348.038:12): avc: denied { module_load } for pid=20901 comm="syz-executor.4" path=2F6D656D66643A42DB2F89036CDE62CBB534EDBE4C4BA4673F4B29A0F09B3859B55AE11253F547CCF3E902680BCA2896E143DF1CEA8543FB1013FA0316CD05202864656C6574656429 dev="tmpfs" ino=1041 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=system permissive=1 audit: type=1400 audit(1734107348.042:13): avc: denied { write } for pid=20896 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 netlink: 'syz-executor.3': attribute type 4 has an invalid length. Invalid ELF header magic: != ELF capability: warning: `syz-executor.2' uses 32-bit capabilities (legacy support in use) Invalid ELF header magic: != ELF Invalid ELF header magic: != ELF Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 ---------------- Code disassembly (best guess): 0: 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%ebx 4: 48 89 d8 mov %rbx,%rax 7: 48 c1 e8 03 shr $0x3,%rax b: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx 10: 48 89 d8 mov %rbx,%rax 13: 83 e0 07 and $0x7,%eax 16: 83 c0 03 add $0x3,%eax 19: 38 d0 cmp %dl,%al 1b: 7c 04 jl 0x21 1d: 84 d2 test %dl,%dl 1f: 75 50 jne 0x71 21: 48 63 03 movslq (%rbx),%rax 24: 48 01 d8 add %rbx,%rax 27: 48 39 c1 cmp %rax,%rcx * 2a: 73 b0 jae 0xffffffdc <-- trapping instruction 2c: 4c 8d 63 fc lea -0x4(%rbx),%r12 30: 4c 39 e5 cmp %r12,%rbp 33: 76 b3 jbe 0xffffffe8 35: 4d 29 ee sub %r13,%r14 38: 49 c1 fe 02 sar $0x2,%r14 3c: 4b 8d 04 76 lea (%r14,%r14,2),%rax