watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:4487] Modules linked in: irq event stamp: 2968311 hardirqs last enabled at (2968310): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (2968311): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (2958254): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2958257): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 4487 Comm: syz-executor.5 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:rcu_lockdep_current_cpu_online+0x0/0x140 Code: ff ff ff 48 c7 c7 e0 67 ce 85 e8 8b 71 49 00 e9 7a ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 15 4d a9 cf 7e 81 e2 00 00 f0 00 b8 01 00 00 00 RSP: 0018:ffff88806ce09a10 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000007 RCX: 1ffffffff0a55118 RDX: 0000000000000000 RSI: 0000000000000104 RDI: ffffffff852a88c0 RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000000f R10: 0000000000000007 R11: 0000000000000001 R12: ffff8880069ae680 R13: ffff88806ce09b10 R14: ffff8880069ae2e8 R15: 0000000000000001 FS: 00007fd7cacf5700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c522000 CR3: 000000001a6f0000 CR4: 0000000000350ef0 DR0: 0000000020000480 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rcu_read_lock_held+0x29/0x50 mac80211_hwsim_addr_iter+0xd1/0x1b0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb93/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 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:__orc_find+0x83/0xf0 Code: 01 d0 48 d1 f8 48 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 49 39 ec 73 b3 4d 29 ee 49 c1 RSP: 0018:ffff88801a717230 EFLAGS: 00000246 RAX: fffffffffba45ef9 RBX: ffffffff85dc4c60 RCX: ffffffff8180abf3 RDX: 0000000000000000 RSI: ffffffff860f7acc RDI: ffffffff85dc4c50 RBP: ffffffff85dc4c50 R08: ffffffff860f7acc R09: ffffffff86090858 R10: ffffed10034e2e6c R11: 0000000000038001 R12: ffffffff85dc4c74 R13: ffffffff85dc4c50 R14: ffffffff85dc4c50 R15: dffffc0000000000 unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 kmem_cache_alloc+0x273/0x410 __es_insert_extent+0x3a9/0x12f0 ext4_es_insert_extent+0x2db/0xc00 ext4_ext_map_blocks+0x1a3b/0x5d40 ext4_map_blocks+0xb15/0x19e0 ext4_append+0x1af/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x495/0x740 do_mkdirat+0x16e/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd7cd77ec27 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:00007fd7cacf4fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 00007fd7cd77ec27 RDX: 0000000000000007 RSI: 00000000000001ff RDI: 00000000200000c0 RBP: 00007fd7cacf5040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 R13: 00000000200000c0 R14: 00007fd7cacf5000 R15: 0000000020000040 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 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 e5 00 00 RSP: 0018:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8442783b RDX: fffffbfff0b48541 RSI: 0000000000000004 RDI: ffffffff85a42a00 RBP: ffffffff85a42a00 R08: 0000000000000000 R09: ffffffff85a42a03 R10: fffffbfff0b48540 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48540 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556ab4717628 CR3: 000000000dcb6000 CR4: 0000000000350ee0 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+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 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:default_idle+0xf/0x20 Code: 8d 00 fe cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 33 2a 40 00 fb f4 70 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff888008df7e58 EFLAGS: 00000206 RAX: ffffffff84425400 RBX: ffff888008d85040 RCX: ffffffff84406752 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf34f03 R10: ffffed100d9e69e0 R11: 0000000000000001 R12: ffffed10011b0a08 R13: ffffffff85d09290 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 start_secondary+0x1cc/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 c7 c7 e0 67 ce 85 mov $0xffffffff85ce67e0,%rdi 7: e8 8b 71 49 00 callq 0x497197 c: e9 7a ff ff ff jmpq 0xffffff8b 11: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop * 27: f3 0f 1e fa endbr64 <-- trapping instruction 2b: 65 8b 15 4d a9 cf 7e mov %gs:0x7ecfa94d(%rip),%edx # 0x7ecfa97f 32: 81 e2 00 00 f0 00 and $0xf00000,%edx 38: b8 01 00 00 00 mov $0x1,%eax