watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.7:282] Modules linked in: irq event stamp: 264856 hardirqs last enabled at (264855): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (264856): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (223270): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (223241): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 282 Comm: syz-executor.7 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 40 8a f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88803bbd7270 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff88800fbf8000 RCX: ffffffff8127b507 RDX: ffffed1001f7f001 RSI: 0000000000000004 RDI: ffff88800fbf8000 RBP: 0000000000000001 R08: 0000000000000000 R09: ffff88800fbf8003 R10: ffffed1001f7f000 R11: 0000000000000001 R12: 0000000000000003 R13: ffffed1001f7f000 R14: 0000000000000001 R15: 1ffff1100777ae4f FS: 000055557ea6c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557ea75c58 CR3: 000000003bbca000 CR4: 0000000000350ef0 Call Trace: queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] ext4_lock_group fs/ext4/ext4.h:3359 [inline] ext4_mb_regular_allocator+0x127e/0x2320 fs/ext4/mballoc.c:2445 ext4_mb_new_blocks+0x20a1/0x45c0 fs/ext4/mballoc.c:5240 ext4_ext_map_blocks+0x1d49/0x5830 fs/ext4/extents.c:4333 ext4_map_blocks+0x63f/0x1910 fs/ext4/inode.c:672 ext4_getblk+0x144/0x680 fs/ext4/inode.c:869 ext4_bread+0x29/0x1f0 fs/ext4/inode.c:921 ext4_append+0x228/0x4e0 fs/ext4/namei.c:83 ext4_init_new_dir+0x25e/0x4d0 fs/ext4/namei.c:2876 ext4_mkdir+0x3c1/0xb10 fs/ext4/namei.c:2921 vfs_mkdir+0x493/0x750 fs/namei.c:3706 do_mkdirat+0x150/0x2b0 fs/namei.c:3728 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7efff8506c27 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:00007ffc68abcef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc68abcf80 RCX: 00007efff8506c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc68abcf80 RBP: 00007ffc68abcf5c R08: 0000000000000000 R09: 0000000000000004 R10: 00007ffc68abcc96 R11: 0000000000000202 R12: 0000000000000032 R13: 000000000004624d R14: 0000000000000004 R15: 00007ffc68abcfc0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4769 Comm: syz-executor.3 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:162 [inline] RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:281 [inline] RIP: 0010:lapic_next_deadline+0x21/0x50 arch/x86/kernel/apic/apic.c:479 Code: f5 bd ca 02 0f 1f 44 00 00 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 31 c0 e9 23 3c 12 03 48 89 c6 31 d2 bf e0 06 00 00 RSP: 0018:ffff88806cf09390 EFLAGS: 00000017 RAX: 000000c9fae698f0 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000c9 RSI: ffff88806cf27980 RDI: 00000000000002cd RBP: ffff88806cf27980 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000000002cd R13: 0000000000000000 R14: 7fffffffffffffff R15: 0000000000000000 FS: 00007f947d923700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe113c66270 CR3: 000000001ad8e000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x244/0x360 kernel/time/clockevents.c:334 tick_program_event+0xa0/0x140 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x3e1/0x9b0 kernel/time/hrtimer.c:1725 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1100 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline] RIP: 0010:__orc_find+0x66/0xf0 arch/x86/kernel/unwind_orc.c:52 Code: 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 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 RSP: 0018:ffff88806cf09580 EFLAGS: 00000212 RAX: ffffffff858ac4e4 RBX: ffffffff858ac4e4 RCX: ffffffff8313967d RDX: 0000000000000002 RSI: ffffffff85c606ec RDI: ffffffff858ac4d0 RBP: ffffffff858ac4e0 R08: ffffffff85c606ec R09: ffffffff85c60716 R10: 0000000000032042 R11: 1ffff1100d9e12c1 R12: ffffffff858ac4e8 R13: ffffffff858ac4d0 R14: ffffffff858ac4dc R15: dffffc0000000000 orc_find arch/x86/kernel/unwind_orc.c:178 [inline] unwind_next_frame+0x2b3/0x1a90 arch/x86/kernel/unwind_orc.c:448 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:447 netdev_alloc_skb include/linux/skbuff.h:2854 [inline] dev_alloc_skb include/linux/skbuff.h:2867 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:crc32_body+0x94/0x600 lib/crc32.c:106 Code: 85 f6 0f 84 2c 02 00 00 49 bc 00 00 00 00 00 fc ff df 45 31 f6 e8 4c b7 4b ff 49 8d 7f 04 48 89 f8 48 c1 e8 03 42 0f b6 0c 20 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 1e 05 00 00 41 RSP: 0018:ffff88804607f430 EFLAGS: 00000212 RAX: 1ffff110033069c2 RBX: 000000007cae3d6e RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81f50664 RDI: ffff888019834e10 RBP: 0000000000000200 R08: 0000000000000000 R09: 000000000ef7a880 R10: 0000000000000200 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff845be3c0 R14: 00000000000001c2 R15: ffff888019834e0c chksum_update+0x4c/0xb0 crypto/crc32c_generic.c:88 crypto_shash_update+0xca/0x120 crypto/shash.c:131 ext4_chksum fs/ext4/ext4.h:2302 [inline] ext4_block_bitmap_csum_set+0x21b/0x3b0 fs/ext4/bitmap.c:94 ext4_mb_clear_bb fs/ext4/mballoc.c:5600 [inline] ext4_free_blocks+0xede/0x21f0 fs/ext4/mballoc.c:5748 ext4_remove_blocks fs/ext4/extents.c:2518 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2684 [inline] ext4_ext_remove_space+0x1ef7/0x3d90 fs/ext4/extents.c:2932 ext4_ext_truncate+0x1ea/0x250 fs/ext4/extents.c:4465 ext4_truncate+0xc38/0x1160 fs/ext4/inode.c:4335 ext4_evict_inode+0xae0/0x1a60 fs/ext4/inode.c:289 evict+0x32b/0x8c0 fs/inode.c:612 iput_final fs/inode.c:1736 [inline] iput.part.0+0x4b9/0x6d0 fs/inode.c:1762 iput+0x58/0x70 fs/inode.c:1752 dentry_unlink_inode+0x2bb/0x470 fs/dcache.c:378 __dentry_kill+0x36f/0x5c0 fs/dcache.c:583 dentry_kill fs/dcache.c:721 [inline] dput+0x6f4/0xcd0 fs/dcache.c:883 do_renameat2+0x715/0xbf0 fs/namei.c:4548 __do_sys_rename fs/namei.c:4595 [inline] __se_sys_rename fs/namei.c:4593 [inline] __x64_sys_rename+0x7d/0xa0 fs/namei.c:4593 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f94803adb19 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:00007f947d923188 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f94804c0f60 RCX: 00007f94803adb19 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000180 RBP: 00007f9480407f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3ae24e1f R14: 00007f947d923300 R15: 0000000000022000 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout ---------------- 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 09 07 00 00 jne 0x71b 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 40 8a f8 02 jmpq 0x2f88a68 28: f3 90 pause * 2a: e9 73 ff ff ff jmpq 0xffffffa2 <-- 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 e1 test %ah,%cl