No source specified No source specified watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:12906] Modules linked in: irq event stamp: 2109415 hardirqs last enabled at (2109414): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2109415): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2098412): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2098421): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 12906 Comm: syz-executor.4 Not tainted 6.13.0-rc1-next-20241206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0x195/0x11d0 Code: 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 50 cd ab ff 48 83 bd 58 ff ff ff 00 74 06 e8 31 95 d5 ff fb 48 83 7b 18 00 <0f> 84 7d 0c 00 00 48 8d 05 00 00 00 00 48 89 85 60 ff ff ff 48 89 RSP: 0018:ffff88806cf09840 EFLAGS: 00000246 RAX: 0000000000202fc6 RBX: ffff88806cf40370 RCX: 1ffffffff0fdfcc7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a4561f RBP: ffff88806cf09910 R08: 0000000000000001 R09: fffffbfff0fddbe9 R10: ffffffff87eedf4f R11: ffff88806cf40390 R12: ffff88806cf40390 R13: 00000000ffffffff R14: ffff888008c4f780 R15: ffffea00005aec00 FS: 00007f673ae68700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5722a9a3a4 CR3: 000000003c776000 CR4: 0000000000350ef0 Call Trace: kmem_cache_alloc_noprof+0x228/0x3d0 __alloc_object+0x2f/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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 26 eb a8 fc 48 89 ef e8 8e 59 a9 fc 80 e7 02 74 06 e8 04 b3 d2 fc fb 65 ff 0d b4 6e 5c 7b <74> 07 5b 5d e9 83 1e 00 00 0f 1f 44 00 00 5b 5d e9 77 1e 00 00 0f RSP: 0018:ffff88803bc07c08 EFLAGS: 00000246 RAX: 00000000002004f3 RBX: 0000000000000256 RCX: 1ffffffff0fdfcc7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84a7384c RBP: ffff88800ab81cc0 R08: 0000000000000001 R09: fffffbfff0fddbe9 R10: ffffffff87eedf4f R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803bc07c58 R14: ffff888014cc5828 R15: ffff888014cc5828 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_make_root+0x42/0x90 ramfs_fill_super+0x185/0x230 get_tree_nodev+0xdc/0x190 vfs_get_tree+0x93/0x340 vfs_cmd_create+0xd7/0x2a0 __do_sys_fsconfig+0xa35/0xb50 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f673d8f2b19 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:00007f673ae68188 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f673da05f60 RCX: 00007f673d8f2b19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 00007f673d94cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc2cfb559f R14: 00007f673ae68300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc1-next-20241206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_unpin_lock+0xb8/0x3a0 Code: 85 40 02 00 00 8b 35 6b 94 f0 04 85 f6 0f 84 d0 01 00 00 65 8b 05 30 5a b3 7e 85 c0 0f 85 c1 01 00 00 65 48 8b 2d 18 77 b4 7e <48> 8d bd 44 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffff88806ce09cb8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88806ce3b9d8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88806ce3b9d8 RBP: ffffffff85a2a840 R08: 0000000000000001 R09: ffffed100d9c13a0 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff863fc434 R13: ffffffff85a2a840 R14: 1ffff1100d9c139b R15: ffff88806ce3b9d8 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001232010 CR3: 0000000018a80000 CR4: 0000000000350ef0 Call Trace: sched_tick+0x178/0x310 update_process_times+0x116/0x210 tick_nohz_handler+0x414/0x6d0 __hrtimer_run_queues+0x57c/0xa80 hrtimer_interrupt+0x369/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 79 67 1d 00 0f 1f 44 00 00 fb f4 e9 ec 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 00000000000fc5d9 RBX: 0000000000000000 RCX: ffffffff84a51847 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814b16aa RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863fb690 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 No source specified No source specified No source specified audit: type=1326 audit(1733526885.336:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12997 comm="syz-executor.1" exe="/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f29136e5b19 code=0x0 loop6: detected capacity change from 0 to 6 FAT-fs (loop6): Directory bread(block 6) failed loop6: detected capacity change from 0 to 6 FAT-fs (loop6): Directory bread(block 6) failed loop6: detected capacity change from 0 to 6 FAT-fs (loop6): Directory bread(block 6) failed audit: type=1326 audit(1733526886.156:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12997 comm="syz-executor.1" exe="/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f29136e5b19 code=0x0 loop6: detected capacity change from 0 to 6 FAT-fs (loop6): Directory bread(block 6) failed audit: type=1326 audit(1733526886.393:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13047 comm="syz-executor.1" exe="/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f29136e5b19 code=0x0 cgroup: release_agent respecified audit: type=1326 audit(1733526887.390:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=13074 comm="syz-executor.1" exe="/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f29136e5b19 code=0x0 cgroup: release_agent respecified ---------------- Code disassembly (best guess): 0: 24 28 and $0x28,%al 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 4c 89 e7 mov %r12,%rdi 9: 48 8d 35 00 00 00 00 lea 0x0(%rip),%rsi # 0x10 10: e8 50 cd ab ff callq 0xffabcd65 15: 48 83 bd 58 ff ff ff cmpq $0x0,-0xa8(%rbp) 1c: 00 1d: 74 06 je 0x25 1f: e8 31 95 d5 ff callq 0xffd59555 24: fb sti 25: 48 83 7b 18 00 cmpq $0x0,0x18(%rbx) * 2a: 0f 84 7d 0c 00 00 je 0xcad <-- trapping instruction 30: 48 8d 05 00 00 00 00 lea 0x0(%rip),%rax # 0x37 37: 48 89 85 60 ff ff ff mov %rax,-0xa0(%rbp) 3e: 48 rex.W 3f: 89 .byte 0x89