watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:4536] Modules linked in: irq event stamp: 2244955 hardirqs last enabled at (2244954): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2244955): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2242722): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2242729): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 4536 Comm: syz-executor.5 Not tainted 6.12.0-next-20241121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_rx_list+0x551/0x2840 Code: 00 00 e8 d2 6f f7 fc 49 8d bc 24 d0 00 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 56 1f 00 00 <49> 8b 84 24 d0 00 00 00 49 8d 7c 24 4b 48 89 fa 48 c1 ea 03 48 89 RSP: 0018:ffff88806cf09cb0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff845a923f RDX: 1ffff11003520eba RSI: ffffffff845a924e RDI: ffff88801a9075d0 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0fdd9ec R10: 0000000000000000 R11: ffffffff81520d87 R12: ffff88801a907500 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888037390e20 FS: 00007f99268b7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f26000 CR3: 000000003727e000 CR4: 0000000000350ef0 Call Trace: 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 4e a9 fc 48 89 ef e8 6e c1 a9 fc 80 e7 02 74 06 e8 e4 1a d3 fc fb 65 ff 0d 54 bc 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff888038b77458 EFLAGS: 00000246 RAX: 00000000002238a7 RBX: 0000000000000246 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000246 R14: ffffea0000366300 R15: ffff88800d98c400 delete_object_full+0x46/0x70 kfree+0x28e/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 ext4_alloc_inode+0x28/0x650 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 __ext4_new_inode+0x2f1/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 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: 0033:0x7f9929341b19 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:00007f99268b7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f9929454f60 RCX: 00007f9929341b19 RDX: 00000000000026e1 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f992939bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdba5ac3ef R14: 00007f99268b7300 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: 00 00 add %al,(%rax) 2: e8 d2 6f f7 fc callq 0xfcf76fd9 7: 49 8d bc 24 d0 00 00 lea 0xd0(%r12),%rdi e: 00 f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 16: fc ff df 19: 48 89 fa mov %rdi,%rdx 1c: 48 c1 ea 03 shr $0x3,%rdx 20: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 24: 0f 85 56 1f 00 00 jne 0x1f80 * 2a: 49 8b 84 24 d0 00 00 mov 0xd0(%r12),%rax <-- trapping instruction 31: 00 32: 49 8d 7c 24 4b lea 0x4b(%r12),%rdi 37: 48 89 fa mov %rdi,%rdx 3a: 48 c1 ea 03 shr $0x3,%rdx 3e: 48 rex.W 3f: 89 .byte 0x89