INFO: task syz-executor.3:5551 blocked for more than 143 seconds.
Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28416 pid:5551 ppid:5387 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6a33e7c959
RSP: 002b:00007f6a34bbe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f6a33f9bf80 RCX: 00007f6a33e7c959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f6a33ed8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6a33f9bf80 R15: 00007ffe63ae4a68
INFO: task syz-executor.1:5567 blocked for more than 143 seconds.
Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28416 pid:5567 ppid:5395 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fba8307c959
RSP: 002b:00007fba83e900c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fba8319bf80 RCX: 00007fba8307c959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007fba830d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fba8319bf80 R15: 00007ffdfa577168
INFO: task syz-executor.0:5578 blocked for more than 143 seconds.
Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28416 pid:5578 ppid:5398 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f574627c959
RSP: 002b:00007f5746f1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f574639bf80 RCX: 00007f574627c959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f57462d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f574639bf80 R15: 00007ffcf3baace8
INFO: task syz-executor.4:5577 blocked for more than 144 seconds.
Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27504 pid:5577 ppid:5385 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
rwsem_down_write_slowpath+0x53e/0x1290 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:816 [inline]
blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
vfs_fallocate+0x46c/0xe80 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xd5/0x140 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd9ce67c959
RSP: 002b:00007fd9cf43c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fd9ce79bf80 RCX: 00007fd9ce67c959
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007fd9ce6d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000010000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd9ce79bf80 R15: 00007fff03e701a8
Showing all locks held in the system:
2 locks held by kworker/u4:1/12:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a67f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a64f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8c9a7400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4776:
#0: ffff88814a82c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
3 locks held by kworker/1:6/5438:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline]
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570
#1: ffffc90006147d80 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574
#2: ffff888030d9b240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1bb/0x26e0 drivers/net/netdevsim/fib.c:1489
1 lock held by syz-executor.5/5546:
1 lock held by syz-executor.3/5551:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.1/5567:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.0/5578:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.4/5577:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.2/5907:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.3/5926:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.5/5936:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.1/5941:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.0/5946:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.4/5948:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.2/5978:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.3/6028:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.1/6047:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.5/6057:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.0/6059:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
1 lock held by syz-executor.4/6061:
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:816 [inline]
#0: ffff88801ac9f0c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e6/0x3e0 block/fops.c:660
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/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+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:__local_bh_disable_ip+0x32/0xc0 kernel/softirq.c:322
Code: 2c b5 7e a9 00 00 0f 00 55 53 89 f3 0f 85 96 00 00 00 9c 5d fa 65 01 1d 04 2c b5 7e 65 8b 05 fd 2b b5 7e 31 d8 f6 c4 ff 74 23 <9c> 58 f6 c4 02 75 70 f7 c5 00 02 00 00 74 01 fb 65 8b 05 df 2b b5
RSP: 0018:ffffc90000117b18 EFLAGS: 00000002
RAX: 0000000080000201 RBX: 0000000000000201 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffff888016a6e3d0
RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000001
R10: 000000000000002c R11: 1ffffffff1936441 R12: ffffffff89fc3f50
R13: ffff88806bd54c80 R14: ffff888078609b40 R15: ffff888047a3b960
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555e04938 CR3: 000000004bbeb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline]
_raw_spin_lock_bh+0x17/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
batadv_nc_purge_paths+0xd3/0x3c0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x986/0x10f0 net/batman-adv/network-coding.c:720
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304