INFO: task syz-executor.2:3129 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-00295-g0f1a876682f0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26992 pid:3129 tgid:3128 ppid:5110 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
rwsem_down_write_slowpath+0xeea/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1ae/0x200 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:838 [inline]
blk_ioctl_zeroout block/ioctl.c:185 [inline]
blkdev_common_ioctl+0x1718/0x2880 block/ioctl.c:513
blkdev_ioctl+0x532/0x740 block/ioctl.c:627
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:904 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f9c6227dda9
RSP: 002b:00007f9c6304b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9c623abf80 RCX: 00007f9c6227dda9
RDX: 0000000020000100 RSI: 000000000000127f RDI: 0000000000000005
RBP: 00007f9c622ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9c623abf80 R15: 00007f9c624cfa48
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130b60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:1H/2590:
2 locks held by getty/4818:
#0: ffff88802a7340a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
8 locks held by syz-executor.0/5109:
2 locks held by kworker/u4:27/762:
#0: ffff8880b943c958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:567
#1: ffffc90013b5fd20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc90013b5fd20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
2 locks held by syz-executor.3/1992:
4 locks held by syz-executor.3/2432:
1 lock held by syz-executor.2/3129:
#0: ffff88801d0ac2c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:838 [inline]
#0: ffff88801d0ac2c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:185 [inline]
#0: ffff88801d0ac2c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1718/0x2880 block/ioctl.c:513
1 lock held by syz-executor.1/9063:
#0: ffffffff8e1364f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#0: ffffffff8e1364f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:995
1 lock held by syz-executor.4/9065:
#0: ffffffff8e1364f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
#0: ffffffff8e1364f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:995
2 locks held by syz-executor.0/9084:
#0: ffff8880b943c958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:567
#1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-00295-g0f1a876682f0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 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+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 762 Comm: kworker/u4:27 Not tainted 6.8.0-syzkaller-00295-g0f1a876682f0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x70 kernel/kcov.c:225
Code: d8 15 00 00 83 fa 02 75 21 48 8b 91 e0 15 00 00 48 8b 32 48 8d 7e 01 8b 89 dc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90
RSP: 0018:ffffc90013b5f110 EFLAGS: 00000293
RAX: ffffffff81408214 RBX: 0000000000000000 RCX: ffff88807e2dbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81408180 R09: 0000000000000000
R10: ffffc90013b5f180 R11: fffff5200276be3c R12: ffffc90013b5f1a0
R13: ffffc90013b5f1a8 R14: ffffc90013b5f180 R15: 1ffff9200276be35
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe8c0ad66e4 CR3: 0000000079f50000 CR4: 00000000003526f0
Call Trace:
__unwind_start+0x524/0x7a0 arch/x86/kernel/unwind_orc.c:729
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x102/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x117/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:3981 [inline]
__kmalloc+0x22e/0x490 mm/slub.c:3994
kmalloc include/linux/slab.h:594 [inline]
kzalloc include/linux/slab.h:711 [inline]
ieee802_11_parse_elems_full+0xe7/0x2470 net/mac80211/util.c:1628
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2291 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2298 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1573 [inline]
ieee80211_ibss_rx_queued_mgmt+0x4b7/0x2cd0 net/mac80211/ibss.c:1604
ieee80211_iface_process_skb net/mac80211/iface.c:1589 [inline]
ieee80211_iface_work+0x809/0xd90 net/mac80211/iface.c:1643
cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243