INFO: task syz-executor.3:30086 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27024 pid:30086 ppid:5114 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1d6/0x200 kernel/locking/rwsem.c:1690
inode_lock_nested include/linux/fs.h:793 [inline]
ext4_rename+0x1593/0x2790 fs/ext4/namei.c:3821
ext4_rename2+0x1c7/0x270 fs/ext4/namei.c:4200
vfs_rename+0xef6/0x17a0 fs/namei.c:4772
do_renameat2+0xb62/0xc90 fs/namei.c:4923
__do_sys_rename fs/namei.c:4969 [inline]
__se_sys_rename fs/namei.c:4967 [inline]
__x64_sys_rename+0x81/0xa0 fs/namei.c:4967
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f59b148c0f9
RSP: 002b:00007f59b2273168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f59b15ac050 RCX: 00007f59b148c0f9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000020000200
RBP: 00007f59b14e7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcad84117f R14: 00007f59b2273300 R15: 0000000000022000
INFO: task syz-executor.3:30087 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29096 pid:30087 ppid:5114 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1d6/0x200 kernel/locking/rwsem.c:1690
inode_lock_nested include/linux/fs.h:793 [inline]
lock_rename+0x1e4/0x280 fs/namei.c:3012
do_renameat2+0x63d/0xc90 fs/namei.c:4864
__do_sys_renameat2 fs/namei.c:4956 [inline]
__se_sys_renameat2 fs/namei.c:4953 [inline]
__x64_sys_renameat2+0xe8/0x120 fs/namei.c:4953
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f59b148c0f9
RSP: 002b:00007f59b2252168 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f59b15ac120 RCX: 00007f59b148c0f9
RDX: 0000000000000004 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00007f59b14e7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcad84117f R14: 00007f59b2252300 R15: 0000000000022000
INFO: task syz-executor.3:30091 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28376 pid:30091 ppid:5114 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574
inode_lock include/linux/fs.h:758 [inline]
lock_mount+0x8a/0x2e0 fs/namespace.c:2294
__do_sys_pivot_root+0x2c0/0x1610 fs/namespace.c:3897
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f59b148c0f9
RSP: 002b:00007f59b2231168 EFLAGS: 00000246 ORIG_RAX: 000000000000009b
RAX: ffffffffffffffda RBX: 00007f59b15ac1f0 RCX: 00007f59b148c0f9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000020000000
RBP: 00007f59b14e7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcad84117f R14: 00007f59b2231300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c794b70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c794870 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8c7956c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6495
2 locks held by getty/4758:
#0: ffff888027e69098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by syz-fuzzer/5073:
#0: ffff88802e8920e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100 fs/file.c:1047
#1: ffff8880222eca38 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xd1/0x6f0 fs/readdir.c:55
3 locks held by kworker/u4:11/24866:
#0: ffff8880b983c298 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:539
#1: ffff8880b9828808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x216/0x950 kernel/sched/psi.c:964
#2: ffff88802b8b4d40 (&wdev->mtx){+.+.}-{3:3}, at: batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:406 [inline]
#2: ffff88802b8b4d40 (&wdev->mtx){+.+.}-{3:3}, at: batadv_nc_worker+0xf7/0xfe0 net/batman-adv/network-coding.c:719
4 locks held by syz-executor.3/30086:
#0: ffff88814b780460 (sb_writers#4){.+.+}-{0:0}, at: do_renameat2+0x37f/0xc90 fs/namei.c:4859
#1: ffff8880222eca38 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
#1: ffff8880222eca38 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x229/0x280 fs/namei.c:2991
#2: ffff8880222ee850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#2: ffff8880222ee850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_rename+0x4f9/0x17a0 fs/namei.c:4744
#3: ffff888077410400 (&type->i_mutex_dir_key#3/4){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
#3: ffff888077410400 (&type->i_mutex_dir_key#3/4){+.+.}-{3:3}, at: ext4_rename+0x1593/0x2790 fs/ext4/namei.c:3821
4 locks held by syz-executor.3/30087:
#0: ffff88814b780460 (sb_writers#4){.+.+}-{0:0}, at: do_renameat2+0x37f/0xc90 fs/namei.c:4859
#1: ffff88814b780748 (&type->s_vfs_rename_key){+.+.}-{3:3}, at: lock_rename+0x58/0x280 fs/namei.c:2995
#2: ffff888077410400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
#2: ffff888077410400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x1b0/0x280 fs/namei.c:3011
#3: ffff8880222ee850 (&type->i_mutex_dir_key#3/5){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
#3: ffff8880222ee850 (&type->i_mutex_dir_key#3/5){+.+.}-{3:3}, at: lock_rename+0x1e4/0x280 fs/namei.c:3012
1 lock held by syz-executor.3/30091:
#0: ffff8880222ee850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#0: ffff8880222ee850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: lock_mount+0x8a/0x2e0 fs/namespace.c:2294
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 24884 Comm: kworker/u4:17 Not tainted 6.3.0-rc2-syzkaller-00462-g5cdfdd6da323 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: phy28 ieee80211_iface_work
RIP: 0010:check_preemption_disabled+0xa/0x170 lib/smp_processor_id.c:13
Code: 1f 44 00 00 0f 0b 0f 1f 44 00 00 5b e9 6f fb ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 56 41 55 49 89 f5 41 54 55 <48> 89 fd 53 0f 1f 44 00 00 65 44 8b 25 81 cd 01 76 65 8b 1d 76 cd
RSP: 0018:ffffc90003cff6a0 EFLAGS: 00000083
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81896deb
RDX: fffffbfff1cef813 RSI: ffffffff8aa6ae60 RDI: ffffffff8aa6aea0
RBP: ffffffff81d3775c R08: 0000000000000000 R09: ffffffff8e77c097
R10: fffffbfff1cef812 R11: 0000000000000000 R12: 00000000ffffffff
R13: ffffffff8aa6ae60 R14: 0000000000000000 R15: ffff888012441dc0
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c017472dd0 CR3: 000000001e17e000 CR4: 0000000000350ef0
Call Trace:
rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:121 [inline]
rcu_is_watching+0x12/0xb0 kernel/rcu/tree.c:694
trace_irq_disable include/trace/events/preemptirq.h:36 [inline]
trace_irq_disable include/trace/events/preemptirq.h:36 [inline]
trace_hardirqs_off_finish kernel/trace/trace_preemptirq.c:78 [inline]
trace_hardirqs_off+0x6a/0x120 kernel/trace/trace_preemptirq.c:73
seqcount_lockdep_reader_access include/linux/seqlock.h:101 [inline]
read_mems_allowed_begin include/linux/cpuset.h:151 [inline]
get_any_partial mm/slub.c:2348 [inline]
get_partial mm/slub.c:2390 [inline]
___slab_alloc+0x101c/0x1400 mm/slub.c:3188
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
__slab_alloc_node mm/slub.c:3345 [inline]
slab_alloc_node mm/slub.c:3442 [inline]
__kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3491
__do_kmalloc_node mm/slab_common.c:966 [inline]
__kmalloc+0x4e/0x190 mm/slab_common.c:980
kmalloc include/linux/slab.h:584 [inline]
kzalloc include/linux/slab.h:720 [inline]
ieee802_11_parse_elems_full+0x106/0x1340 net/mac80211/util.c:1606
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2262 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2269 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0xcbc/0x3030 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1637
process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308