Process accounting resumed watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:7705] Modules linked in: irq event stamp: 4364091 hardirqs last enabled at (4364090): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4364091): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4349310): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4349313): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 7705 Comm: syz-executor.5 Not tainted 6.1.0-rc7-next-20221130 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__netdev_alloc_skb+0x79/0x3e0 Code: 70 fd fd 45 85 ed 0f 84 c6 00 00 00 e8 10 74 fd fd 41 8d 7c 24 40 b9 ff ff ff ff 89 ee ba 02 00 00 00 e8 9a 03 ff ff 49 89 c4 <48> 85 c0 0f 84 dc 02 00 00 e8 e9 73 fd fd 49 8d bc 24 d8 00 00 00 RSP: 0018:ffff88806cf09bc0 EFLAGS: 00000286 RAX: ffff888035c1ca00 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff8880219ab580 RSI: ffffffff834aaa15 RDI: 0000000000000005 RBP: 0000000000000a20 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888035c1ca00 R13: 00000000fffffddb R14: ffff8880440b158c R15: ffff8880440b0de0 FS: 00007f750e760700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5ba4758e0 CR3: 0000000034f48000 CR4: 0000000000350ee0 Call Trace: __ieee80211_beacon_get+0x3de/0x1380 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 10 a1 7c 81 48 89 df e8 e9 76 af ff 48 85 ed 74 06 e8 1f 8c d3 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 54 fa ff RSP: 0018:ffff88803681fbd0 EFLAGS: 00000246 RAX: 00000000000425af RBX: ffff88806cf3d8e0 RCX: 1ffffffff0ba08e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800844f780 R13: 0000000000000000 R14: ffffea000036cf80 R15: 0000000000000002 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e1/0x410 __alloc_file+0x21/0x240 alloc_empty_file+0x71/0x170 alloc_file+0x59/0x800 alloc_file_pseudo+0x16e/0x260 sock_alloc_file+0x53/0x1a0 __sys_socket+0x1ac/0x250 __x64_sys_socket+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f75111eab19 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:00007f750e760188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f75112fdf60 RCX: 00007f75111eab19 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a RBP: 00007f7511244f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd8037483f R14: 00007f750e760300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 70 fd jo 0xffffffff 2: fd std 3: 45 85 ed test %r13d,%r13d 6: 0f 84 c6 00 00 00 je 0xd2 c: e8 10 74 fd fd callq 0xfdfd7421 11: 41 8d 7c 24 40 lea 0x40(%r12),%edi 16: b9 ff ff ff ff mov $0xffffffff,%ecx 1b: 89 ee mov %ebp,%esi 1d: ba 02 00 00 00 mov $0x2,%edx 22: e8 9a 03 ff ff callq 0xffff03c1 27: 49 89 c4 mov %rax,%r12 * 2a: 48 85 c0 test %rax,%rax <-- trapping instruction 2d: 0f 84 dc 02 00 00 je 0x30f 33: e8 e9 73 fd fd callq 0xfdfd7421 38: 49 8d bc 24 d8 00 00 lea 0xd8(%r12),%rdi 3f: 00