INFO: task syz-executor.1:5098 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:19888 pid:5098 tgid:5098 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:192
sync_inodes_sb+0x293/0xb20 fs/fs-writeback.c:2758
sync_filesystem+0x16f/0x220 fs/sync.c:64
generic_shutdown_super+0x72/0x2c0 fs/super.c:625
kill_block_super+0x44/0x90 fs/super.c:1680
xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2019
deactivate_locked_super+0xc1/0x130 fs/super.c:477
cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
task_work_run+0x24a/0x300 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x167/0x370 kernel/entry/common.c:212
do_syscall_64+0x102/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fc619e7e0d7
RSP: 002b:00007ffd47f2f498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc619e7e0d7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd47f2f550
RBP: 00007ffd47f2f550 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd47f30610
R13: 00007fc619ec83b9 R14: 0000000000071dfa R15: 0000000000000002
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5133 Comm: kworker/1:7 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: xfs-buf/loop1 xfs_buf_ioend_work
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x60 kernel/kcov.c:207
Code: 48 8b 04 24 65 48 8b 0d b0 d0 74 7e 65 8b 15 b1 d0 74 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 fc 15 00 00 00 <74> 2c 8b 91 d8 15 00 00 83 fa 02 75 21 48 8b 91 e0 15 00 00 48 8b
RSP: 0018:ffffc900001f02a0 EFLAGS: 00000246
RAX: ffffffff813e1b65 RBX: ffffc90004bc8000 RCX: ffff8880227e8000
RDX: 0000000000000103 RSI: ffffc90004bc7ee8 RDI: ffffc90004bc7f30
RBP: ffffc900001f0380 R08: ffffffff813e1b00 R09: ffffffff813e1680
R10: 0000000000000003 R11: ffff8880227e8000 R12: ffffc90004bc7f30
R13: dffffc0000000000 R14: ffffc90004bc0000 R15: ffffc90004bc7f38
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559477498680 CR3: 000000007e703000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0x1e55/0x29e0 arch/x86/kernel/unwind_orc.c:665
arch_stack_walk+0x146/0x1a0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x70 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:314 [inline]
__kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:340
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc_node+0x18f/0x380 mm/slub.c:3903
__alloc_skb+0x181/0x420 net/core/skbuff.c:641
skb_copy+0xef/0x760 net/core/skbuff.c:2019
mac80211_hwsim_tx_frame_no_nl+0x1063/0x18c0 drivers/net/wireless/virtual/mac80211_hwsim.c:1850
mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2186
mac80211_hwsim_beacon_tx+0x3d9/0x7b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2279
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:767
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:803
mac80211_hwsim_beacon+0xd4/0x1e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2305
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x59f/0xd20 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1769
__do_softirq+0x2b8/0x939 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632
irq_exit_rcu+0x9/0x20 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1975 [inline]
RIP: 0010:vprintk_emit+0x4e6/0x720 kernel/printk/printk.c:2302
Code: 21 e3 0f 85 a6 01 00 00 e8 47 d3 1d 00 44 8b 24 24 4d 85 ff 75 07 e8 39 d3 1d 00 eb 06 e8 32 d3 1d 00 fb 48 c7 c7 a0 aa 80 8d <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 41 56 e8 31
RSP: 0018:ffffc90004bc7700 EFLAGS: 00000293
RAX: ffffffff81711ace RBX: 0000000000000000 RCX: ffff8880227e8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d80aaa0
RBP: ffffc90004bc77f0 R08: ffffffff81711aab R09: 1ffffffff1e03e4d
R10: dffffc0000000000 R11: fffffbfff1e03e4e R12: 000000000000004b
R13: dffffc0000000000 R14: ffffffff8171192d R15: 0000000000000200
_printk+0xd5/0x120 kernel/printk/printk.c:2328
print_hex_dump+0x1a6/0x250 lib/hexdump.c:285
xfs_hex_dump+0x3d/0x50 fs/xfs/xfs_message.c:110
xfs_buf_verifier_error+0x1ce/0x2a0 fs/xfs/xfs_error.c:460
xfs_agf_read_verify+0x200/0x2b0 fs/xfs/libxfs/xfs_alloc.c:3213
xfs_buf_ioend+0x270/0x700 fs/xfs/xfs_buf.c:1309
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242