INFO: task syz-executor.0:5601 blocked for more than 143 seconds.
Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28472 pid:5601 ppid:5522 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
rwsem_down_write_slowpath+0xfdc/0x14a0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
filemap_invalidate_lock include/linux/fs.h:801 [inline]
blkdev_fallocate+0x1a3/0x2e0 block/fops.c:634
vfs_fallocate+0x3af/0x530 fs/open.c:323
madvise_remove+0x1c2/0x220 mm/madvise.c:1006
madvise_vma_behavior mm/madvise.c:1030 [inline]
madvise_walk_vmas mm/madvise.c:1265 [inline]
do_madvise+0xa09/0x18c0 mm/madvise.c:1444
__do_sys_madvise mm/madvise.c:1457 [inline]
__se_sys_madvise mm/madvise.c:1455 [inline]
__x64_sys_madvise+0x9d/0xb0 mm/madvise.c:1455
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff9d788c0a9
RSP: 002b:00007ff9d8618168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007ff9d79ac050 RCX: 00007ff9d788c0a9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007ff9d78e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2f7460af R14: 00007ff9d8618300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c516370 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c516b70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8c5161a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4735:
#0: ffff88802b8cb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1c/0x60 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5f3/0x18b0 drivers/tty/n_tty.c:2177
2 locks held by syz-executor.0/5599:
1 lock held by syz-executor.0/5601:
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a3/0x2e0 block/fops.c:634
1 lock held by syz-executor.0/6213:
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x109/0x670 mm/readahead.c:226
1 lock held by syz-executor.0/6214:
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a3/0x2e0 block/fops.c:634
1 lock held by syz-executor.0/6231:
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x109/0x670 mm/readahead.c:226
1 lock held by syz-executor.0/6232:
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
#0: ffff888140cab4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a3/0x2e0 block/fops.c:634
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x163/0x220 lib/dump_stack.c:106
nmi_cpu_backtrace+0x395/0x410 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x113/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0x96f/0x9b0 kernel/hung_task.c:377
kthread+0x228/0x2a0 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: 9 Comm: kworker/u4:0 Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy6 ieee80211_iface_work
RIP: 0010:kasan_set_track+0x1/0x70 mm/kasan/common.c:50
Code: 95 8a a8 ff 48 89 df 89 c6 31 d2 44 89 f9 45 89 f0 e8 43 f0 5b 02 48 8d 65 e8 5b 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 53 48 83 e4 f0 48 81 ec 10 02 00 00 41 89 f6
RSP: 0018:ffffc900000e7600 EFLAGS: 00000286
RAX: 0000000000000400 RBX: ffff8880216cb000 RCX: 0000000000000000
RDX: 0000000000000b20 RSI: 0000000000000b20 RDI: ffff8880216cb400
RBP: 00000000000002d0 R08: dffffc0000000000 R09: ffffed10042d965a
R10: fffff5200001cf67 R11: 1ffff9200001cf62 R12: ffffc900000e7b00
R13: 00000000000002d0 R14: 0000000000000b20 R15: ffff888011841dc0
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005627b4a94600 CR3: 000000000c28e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
____kasan_kmalloc mm/kasan/common.c:371 [inline]
__kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:968 [inline]
__kmalloc+0xaf/0x190 mm/slab_common.c:981
kmalloc include/linux/slab.h:584 [inline]
kzalloc include/linux/slab.h:720 [inline]
ieee802_11_parse_elems_full+0xea/0x2e40 net/mac80211/util.c:1619
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2260 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2267 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0x2f9/0x2880 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0x542/0x990 net/mac80211/iface.c:1637
process_one_work+0x794/0xc10 kernel/workqueue.c:2289
worker_thread+0x8ff/0xfe0 kernel/workqueue.c:2436
kthread+0x228/0x2a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308