INFO: task syz.4.19:6496 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.19 state:D stack:28680 pid:6496 tgid:6495 ppid:6326 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
__schedule_loop kernel/sched/core.c:7011 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7026
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083
rwsem_down_write_slowpath+0x521/0x1310 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write+0x1d6/0x200 kernel/locking/rwsem.c:1591
inode_lock include/linux/fs.h:980 [inline]
blkdev_fallocate+0x24c/0x430 block/fops.c:911
vfs_fallocate+0x5b4/0x10e0 fs/open.c:342
ksys_fallocate fs/open.c:366 [inline]
__do_sys_fallocate fs/open.c:371 [inline]
__se_sys_fallocate fs/open.c:369 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:369
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde2ef7dff9
RSP: 002b:00007fde2fcc1038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fde2f135f80 RCX: 00007fde2ef7dff9
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
RBP: 00007fde2eff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fde2f135f80 R15: 00007fff1abdcf58
INFO: task syz.3.18:6514 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.18 state:D stack:28856 pid:6514 tgid:6513 ppid:6325 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
__schedule_loop kernel/sched/core.c:7011 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7026
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083
rwsem_down_write_slowpath+0x521/0x1310 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write+0x1d6/0x200 kernel/locking/rwsem.c:1591
inode_lock include/linux/fs.h:980 [inline]
blkdev_fallocate+0x24c/0x430 block/fops.c:911
vfs_fallocate+0x5b4/0x10e0 fs/open.c:342
ksys_fallocate fs/open.c:366 [inline]
__do_sys_fallocate fs/open.c:371 [inline]
__se_sys_fallocate fs/open.c:369 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:369
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e1477dff9
RSP: 002b:00007f9e155a3038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f9e14935f80 RCX: 00007f9e1477dff9
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
RBP: 00007f9e147f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9e14935f80 R15: 00007fff00fd6008
INFO: task syz.1.16:6525 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.16 state:D stack:28856 pid:6525 tgid:6522 ppid:6316 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
__schedule_loop kernel/sched/core.c:7011 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7026
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083
rwsem_down_write_slowpath+0x521/0x1310 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write+0x1d6/0x200 kernel/locking/rwsem.c:1591
inode_lock include/linux/fs.h:980 [inline]
blkdev_fallocate+0x24c/0x430 block/fops.c:911
vfs_fallocate+0x5b4/0x10e0 fs/open.c:342
ksys_fallocate fs/open.c:366 [inline]
__do_sys_fallocate fs/open.c:371 [inline]
__se_sys_fallocate fs/open.c:369 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:369
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b6fb7dff9
RSP: 002b:00007f2b70a64038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f2b6fd35f80 RCX: 00007f2b6fb7dff9
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
RBP: 00007f2b6fbf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2b6fd35f80 R15: 00007ffdb5e1f9b8
INFO: task syz.2.17:6532 blocked for more than 144 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.17 state:D stack:28856 pid:6532 tgid:6531 ppid:6321 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
__schedule_loop kernel/sched/core.c:7011 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:7026
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083
rwsem_down_write_slowpath+0x521/0x1310 kernel/locking/rwsem.c:1185
__down_write_common kernel/locking/rwsem.c:1317 [inline]
__down_write kernel/locking/rwsem.c:1326 [inline]
down_write+0x1d6/0x200 kernel/locking/rwsem.c:1591
inode_lock include/linux/fs.h:980 [inline]
blkdev_fallocate+0x24c/0x430 block/fops.c:911
vfs_fallocate+0x5b4/0x10e0 fs/open.c:342
ksys_fallocate fs/open.c:366 [inline]
__do_sys_fallocate fs/open.c:371 [inline]
__se_sys_fallocate fs/open.c:369 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:369
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f22ad77dff9
RSP: 002b:00007f22ae606038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f22ad935f80 RCX: 00007f22ad77dff9
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004
RBP: 00007f22ad7f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f22ad935f80 R15: 00007ffd8cd2f298
Showing all locks held in the system:
4 locks held by kworker/u8:1/13:
1 lock held by khungtaskd/31:
#0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
#0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775
3 locks held by kworker/u8:2/36:
2 locks held by getty/5567:
#0: ffff88814e14d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900036be2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222
3 locks held by kworker/0:4/5901:
#0: ffff88813ff51948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3238
#1: ffffc90003bafd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3239
#2: ffff888045ba2240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x1b6/0x6da0 drivers/net/netdevsim/fib.c:1490
2 locks held by syz.0.15/6483:
1 lock held by syz.4.19/6496:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.18/6514:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.16/6525:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.17/6532:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.20/6918:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.21/6936:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.24/6946:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.22/6948:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.23/6950:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.25/7005:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.26/7035:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.28/7061:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.29/7063:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.27/7065:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.30/7088:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.31/7159:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.32/7176:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.33/7182:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.34/7190:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.35/7205:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.36/7296:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.37/7308:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.38/7314:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.39/7316:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.40/7318:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.41/7404:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.42/7427:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.43/7429:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.45/7431:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.44/7433:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.46/7500:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.48/7538:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.50/7546:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.47/7545:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.49/7548:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.51/7583:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.52/7654:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.53/7664:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.54/7667:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.55/7674:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.56/7695:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.2.57/7745:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.3.59/7793:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.0.60/7800:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.1.58/7802:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
1 lock held by syz.4.61/7809:
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
#0: ffff888148e2aa28 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: blkdev_fallocate+0x24c/0x430 block/fops.c:911
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]
watchdog+0xf3f/0x1170 kernel/hung_task.c:495
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__lock_acquire+0x17e/0x1c90 kernel/locking/lockdep.c:5171
Code: 03 00 00 4f 8d 2c 14 48 8b 7c 24 10 45 89 c8 41 0f b7 45 20 4d 89 7d 10 89 fa 66 81 e2 ff 1f 66 25 00 e0 09 d0 66 41 89 45 20 <48> 8b 84 24 a8 00 00 00 49 89 45 08 48 8b 44 24 08 49 89 45 18 8b
RSP: 0018:ffffc90000126ba0 EFLAGS: 00000002
RAX: 0000000000000007 RBX: 0000000000000004 RCX: 0000000000000002
RDX: 0000000000000007 RSI: ffff88801d6b8ba8 RDI: 0000000000000007
RBP: ffff88801d6b8000 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000a0 R11: 0000000000000001 R12: ffff88801d6b8b30
R13: ffff88801d6b8bd0 R14: 0000000000000000 R15: ffffffff8e3c4460
FS: 0000000000000000(0000) GS:ffff8881249d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555637a5c8 CR3: 0000000039dc7000 CR4: 00000000003526f0
Call Trace:
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5825
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:867 [inline]
class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
kasan_save_track+0x14/0x30 mm/kasan/common.c:77
__kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:587
kasan_save_free_info mm/kasan/kasan.h:406 [inline]
poison_slab_object mm/kasan/common.c:252 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2530 [inline]
slab_free mm/slub.c:6619 [inline]
kfree+0x2b8/0x6d0 mm/slub.c:6826
ieee80211_inform_bss+0x77c/0x1140 net/mac80211/scan.c:160
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0x8ea/0x1df0 net/wireless/scan.c:2385
cfg80211_inform_bss_data+0x22b/0x3be0 net/wireless/scan.c:3240
cfg80211_inform_bss_frame_data+0x26f/0x750 net/wireless/scan.c:3331
ieee80211_bss_info_update+0x310/0xab0 net/mac80211/scan.c:226
ieee80211_rx_bss_info net/mac80211/ibss.c:1094 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1573 [inline]
ieee80211_ibss_rx_queued_mgmt+0x191b/0x2fe0 net/mac80211/ibss.c:1600
ieee80211_iface_process_skb net/mac80211/iface.c:1694 [inline]
ieee80211_iface_work+0xe2e/0x1360 net/mac80211/iface.c:1748
cfg80211_wiphy_work+0x2c7/0x580 net/wireless/core.c:435
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
process_scheduled_works kernel/workqueue.c:3346 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245