watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.5:9663] Modules linked in: irq event stamp: 3951531 hardirqs last enabled at (3951530): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3951531): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (3922218): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (3922221): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 9663 Comm: syz-executor.5 Not tainted 6.2.0-rc7-next-20230207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0x2a/0x1d0 Code: 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e 4b 01 00 00 8b 0b 85 c9 74 65 48 b8 00 00 RSP: 0018:ffff88806ce09668 EFLAGS: 00000292 RAX: 0000000000000000 RBX: ffff88806ce09718 RCX: ffffffff8614cab4 RDX: 1ffff1100d9c12e3 RSI: ffff888044c5f8b8 RDI: ffff88806ce09718 RBP: ffff888044c5f8b8 R08: 0000000000000001 R09: ffff88806ce09758 R10: 0000000000038001 R11: 0000000000000000 R12: 0000000000000008 R13: ffff88806ce09718 R14: 0000000000000001 R15: ffff888044c5f8b8 FS: 00007f351e7f7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c027000 CR3: 000000001477c000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x1687/0x2360 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node+0x187/0x330 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb08/0x1330 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+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire+0x6/0xc0 Code: 0c 6a d1 85 e8 0b 78 52 00 e9 67 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 f3 0f 1e fa 41 57 <41> 56 41 89 ce 41 55 41 89 d5 41 54 41 89 f4 55 48 89 fd 53 44 89 RSP: 0018:ffff888044c5f140 EFLAGS: 00000246 RAX: 0000000000000d28 RBX: ffffffff856507e0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85609e60 RBP: 00007f3521281b19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00007f3521281b19 R13: 0000000000000000 R14: ffff888018dd0000 R15: ffff888045e419a0 __is_insn_slot_addr+0x41/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xff/0x510 __es_remove_extent+0xd33/0x15a0 ext4_es_remove_extent+0x1f9/0x450 ext4_ext_truncate+0x221/0x3f0 ext4_truncate+0xe68/0x1410 ext4_setattr+0x19e7/0x2490 notify_change+0xb90/0x11d0 do_truncate+0x143/0x200 path_openat+0x205d/0x2750 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3521281b19 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:00007f351e7f7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f3521394f60 RCX: 00007f3521281b19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007f35212dbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb4a3989f R14: 00007f351e7f7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc7-next-20230207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x179/0x1d0 Code: ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 d1 cd c8 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 db 80 38 00 <74> f2 e9 64 ff ff ff 41 bb 01 00 00 00 44 89 d8 e9 a6 cd c8 02 48 RSP: 0018:ffff88806cf09a08 EFLAGS: 00000246 RAX: fffffbfff0b49c20 RBX: fffffbfff0b49c21 RCX: ffffffff84486b0b RDX: fffffbfff0b49c21 RSI: 0000000000000004 RDI: ffffffff85a4e100 RBP: fffffbfff0b49c20 R08: 0000000000000000 R09: ffffffff85a4e103 R10: fffffbfff0b49c20 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b49c20 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bf2a000 CR3: 0000000016a0e000 CR4: 0000000000350ee0 Call Trace: queued_spin_lock_slowpath+0xab/0xc50 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6de/0x1330 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+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 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 83 07 3c 00 fb f4 e9 ff 12 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008dffe70 EFLAGS: 00000206 RAX: 0000000000785df9 RBX: ffff888008d85040 RCX: ffffffff8446679e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812832e0 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf34f83 R10: ffffed100d9e69f0 R11: 0000000000000001 R12: ffffed10011b0a08 R13: ffffffff85d158d0 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x300/0x3d0 cpu_startup_entry+0x18/0x20 start_secondary+0x1ca/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 7: fc ff df a: 41 56 push %r14 c: 41 55 push %r13 e: 41 54 push %r12 10: 49 89 d4 mov %rdx,%r12 13: 48 89 fa mov %rdi,%rdx 16: 55 push %rbp 17: 48 c1 ea 03 shr $0x3,%rdx 1b: 48 89 f5 mov %rsi,%rbp 1e: 53 push %rbx 1f: 48 89 fb mov %rdi,%rbx 22: 48 83 ec 08 sub $0x8,%rsp 26: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 74 08 je 0x36 2e: 3c 03 cmp $0x3,%al 30: 0f 8e 4b 01 00 00 jle 0x181 36: 8b 0b mov (%rbx),%ecx 38: 85 c9 test %ecx,%ecx 3a: 74 65 je 0xa1 3c: 48 rex.W 3d: b8 .byte 0xb8