watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:10427] Modules linked in: irq event stamp: 13551095 hardirqs last enabled at (13551094): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (13551095): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (13478116): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (13478119): [] irq_exit_rcu+0x11f/0x190 CPU: 0 PID: 10427 Comm: syz-executor.5 Not tainted 6.2.0-rc5-next-20230124 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc90 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 e6 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ce 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806ce09a30 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84452cbb RDX: fffffbfff0b491fd RSI: 0000000000000004 RDI: ffffffff85a48fe0 RBP: ffffffff85a48fe0 R08: 0000000000000000 R09: ffffffff85a48fe3 R10: fffffbfff0b491fc R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b491fc R14: 0000000000000001 R15: 1ffff1100d9c1347 FS: 00007f20d25e3700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056010c70506c CR3: 000000005bb60000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 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 90 d3 7c 81 48 89 df e8 29 57 af ff 48 85 ed 74 06 e8 1f b9 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:ffff8880600be9b0 EFLAGS: 00000246 RAX: 0000000000c94871 RBX: ffff88806ce3dca0 RCX: ffffffff812b8caf RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8765e96f R10: fffffbfff0ecbd2d R11: 0000000000000001 R12: ffff88800844f780 R13: 0000000000000000 R14: ffffea0001269b00 R15: 0000000000000006 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x172/0x300 __create_object+0x3d/0xc40 kmem_cache_alloc+0x204/0x300 __kernfs_new_node+0xd4/0x8c0 kernfs_new_node+0x97/0x120 __kernfs_create_file+0x55/0x350 sysfs_add_file_mode_ns+0x21c/0x440 internal_create_group+0x322/0xb20 internal_create_groups.part.0+0x90/0x140 sysfs_create_groups+0x29/0x50 device_add+0x603/0x1e50 netdev_register_kobject+0x17e/0x3b0 register_netdevice+0xd60/0x1530 cfg80211_register_netdevice+0x157/0x330 ieee80211_if_add+0xf66/0x16a0 ieee80211_register_hw+0x3903/0x3b70 mac80211_hwsim_new_radio+0x2239/0x48b0 hwsim_new_radio_nl+0x9ad/0x1070 genl_family_rcv_msg_doit.isra.0+0x1ee/0x2e0 genl_rcv_msg+0x503/0x7e0 netlink_rcv_skb+0x15d/0x450 genl_rcv+0x28/0x40 netlink_unicast+0x552/0x800 netlink_sendmsg+0x923/0xe20 sock_sendmsg+0x1b6/0x200 ____sys_sendmsg+0x74e/0x980 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf7/0x1d0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f20d506db19 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:00007f20d25e3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f20d5180f60 RCX: 00007f20d506db19 RDX: 0000000000000000 RSI: 0000000020007ec0 RDI: 0000000000000003 RBP: 00007f20d50c7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee132f56f R14: 00007f20d25e3300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10320 Comm: kworker/1:1 Not tainted 6.2.0-rc5-next-20230124 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: ata_sff ata_sff_pio_task RIP: 0010:ioread8+0x4f/0xd0 Code: 0f 87 80 00 00 00 e8 e0 ab 34 ff 4c 89 e6 bf 00 00 01 00 e8 33 a8 34 ff 49 81 fc 00 00 01 00 76 1f e8 c5 ab 34 ff 44 89 e2 ec <44> 0f b6 e8 e8 b8 ab 34 ff 44 89 e8 5b 41 5c 41 5d e9 af 7f 30 02 RSP: 0018:ffff88805bfefba8 EFLAGS: 00000093 RAX: 0000000000000058 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000010376 RSI: ffffffff8214cd3b RDI: 0000000000000007 RBP: ffff88800f3581a8 R08: 0000000000000007 R09: 0000000000010000 R10: 0000000000010376 R11: 0000000000000001 R12: 0000000000010376 R13: 0000000000010376 R14: ffff88800f358180 R15: ffff88800f358000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005648847774a8 CR3: 000000000f21a000 CR4: 0000000000350ee0 Call Trace: ata_sff_hsm_move+0x164f/0x2930 ata_sff_pio_task+0x4fa/0x630 process_one_work+0xa0f/0x16d0 worker_thread+0x63b/0x1260 kthread+0x2f1/0x3a0 ret_from_fork+0x2c/0x50 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 e6 0a 00 00 jne 0xaf8 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 ce 1f 00 00 jmpq 0x1ff6 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e4 test %ah,%ah