watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.5:10909] Modules linked in: irq event stamp: 4662815 hardirqs last enabled at (4662814): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4662815): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4623556): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4623559): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 10909 Comm: syz-executor.5 Not tainted 6.1.0-rc6-next-20221122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__read_once_word_nocheck+0x3/0x10 Code: e9 8b fd ff ff e8 0d 51 6a 00 e9 43 fd ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 07 5c 2b 2e 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff88806cf097c0 EFLAGS: 00000202 RAX: ffffffff8460144a RBX: 0000000000000002 RCX: ffff888043e68000 RDX: ffff888043e67001 RSI: ffff888043e670a0 RDI: ffff888043e670a0 RBP: ffff88806cf098a0 R08: 0000000000000000 R09: ffffffff86464d3a R10: ffff88806cf09ff8 R11: ffff88806cf09888 R12: ffff88806cf09889 R13: ffff88806cf098a8 R14: ffff88806cf09848 R15: ffffffff86464d3b FS: 00007f2ff65a2700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd8c83c7542 CR3: 0000000022968000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x967/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa40 __kmem_cache_free+0x95/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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/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:finish_task_switch.isra.0+0x237/0x8a0 Code: 89 ff 48 c7 03 00 00 00 00 e8 95 ba 1e 03 4d 85 e4 75 ba 4c 89 ff e8 18 96 1e 03 e8 e3 f5 2d 00 fb 65 48 8b 1c 25 00 89 03 00 <48> 8d bb e8 13 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffff888043e67150 EFLAGS: 00000206 RAX: 0000000000003bf3 RBX: ffff888045aa3580 RCX: ffffffff812b6ccf RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888043e67190 R08: 0000000000000001 R09: ffffffff8763189f R10: fffffbfff0ec6313 R11: 0000000000000001 R12: ffff88806cf39298 R13: ffff8880476d5040 R14: ffff88801c847700 R15: ffff88806cf39280 __schedule+0x92e/0x25d0 preempt_schedule_common+0x45/0xc0 __cond_resched+0x1b/0x30 __ext4_journal_get_write_access+0x41/0x440 ext4_reserve_inode_write+0x18f/0x280 __ext4_mark_inode_dirty+0x15e/0x880 ext4_dirty_inode+0xd8/0x110 __mark_inode_dirty+0x1aa/0xe70 ext4_mb_new_blocks+0x5f1/0x4bf0 ext4_ext_map_blocks+0x1fca/0x5d40 ext4_map_blocks+0x776/0x19e0 ext4_getblk+0x604/0x7b0 ext4_bread+0x2e/0x1a0 ext4_append+0x21d/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: 0033:0x7f2ff902bc27 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:00007f2ff65a1fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ff902bc27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f2ff65a2040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f2ff65a2000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10908 Comm: syz-executor.0 Not tainted 6.1.0-rc6-next-20221122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x1d/0x1d0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 73 01 00 00 48 89 f8 41 54 44 0f b6 c2 55 53 48 01 f0 72 14 2c 0f 1f 00 48 ba ff ff ff ff ff ff ff fe 48 39 d7 77 29 44 89 RSP: 0018:ffff88806ce09440 EFLAGS: 00000096 RAX: ffffffff87631850 RBX: 1ffff1100d9c1293 RCX: ffffffff812b6ccf RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff87631848 RBP: ffff888046e25a40 R08: 0000000000000000 R09: ffffffff8763184f R10: fffffbfff0ec6309 R11: 0000000000000001 R12: 0000000000000008 R13: ffff888046e25a60 R14: 000000000000005c R15: 0000000000000100 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7bb8310000 CR3: 000000001bf8a000 CR4: 0000000000350ef0 Call Trace: mark_lock.part.0+0xef/0x2f70 __lock_acquire+0x896/0x5e70 lock_acquire+0x1a6/0x530 _raw_spin_lock_irqsave+0x3d/0x60 hrtimer_interrupt+0xfd/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:static_obj+0x1e/0xc0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 48 c7 c0 00 0a 49 85 55 48 89 fd 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 53 80 3c 10 00 <75> 7f 48 c7 c0 00 80 22 88 48 39 e8 0f 97 c3 48 83 3d 8b 24 1e 04 RSP: 0018:ffff88806ce099c0 EFLAGS: 00000246 RAX: 1ffffffff0a92140 RBX: ffffffff85d1230c RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff848fd520 RDI: ffffffff879de6c0 RBP: ffffffff879de6c0 R08: 0000000000000002 R09: 0000000000000000 R10: ffff88806c493b58 R11: 0000000000000001 R12: ffffffff879de6c0 R13: 0000000000000000 R14: ffffffff879be740 R15: ffff88800d2ed7a0 lockdep_init_map_type+0x21e/0x7f0 __raw_spin_lock_init+0x3a/0x110 __create_object+0x121/0xc10 kmem_cache_alloc_node+0x282/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/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/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:kasan_check_range+0x83/0x1d0 Code: d7 4c 8d 48 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 <48> 89 da 48 29 ea 48 83 fa 10 0f 8e d0 00 00 00 41 89 eb 41 83 e3 RSP: 0018:ffff88804732f6e0 EFLAGS: 00000286 RAX: fffff940001cdc06 RBX: fffff940001cdc07 RCX: ffffffff816ce88c RDX: ffff7fffffffffff RSI: 0000000000000004 RDI: ffffea0000e6e030 RBP: fffff940001cdc06 R08: 0000000000000000 R09: ffffea0000e6e033 R10: fffff940001cdc06 R11: 0000000000000001 R12: ffff8880207b6350 R13: ffffea0000e6e000 R14: ffffea0000e6e030 R15: ffff88804732fad8 unmap_page_range+0x1fec/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ffb72320c27 Code: Unable to access opcode bytes at 0x7ffb72320bfd. RSP: 002b:00007ffb6f896fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffef RBX: 0000000000000000 RCX: 00007ffb72320c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007ffb6f897040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007ffb6f897000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: e9 8b fd ff ff jmpq 0xfffffd90 5: e8 0d 51 6a 00 callq 0x6a5117 a: e9 43 fd ff ff jmpq 0xfffffd52 f: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 16: 00 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: 48 8b 07 mov (%rdi),%rax * 2a: e9 5c 2b 2e 03 jmpq 0x32e2b8b <-- trapping instruction 2f: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 36: 00 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop