INFO: task kworker/1:1H:100 blocked for more than 143 seconds.
Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H state:D stack:25016 pid:100 tgid:100 ppid:2 flags:0x00004000
Workqueue: bcachefs_btree_io btree_node_write_work
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493
six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550
__btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline]
__bch2_btree_node_lock_write+0x11c/0x3c0 fs/bcachefs/btree_locking.c:429
__btree_node_lock_write fs/bcachefs/btree_locking.h:298 [inline]
bch2_btree_node_lock_write_nofail+0x24c/0x440 fs/bcachefs/btree_locking.c:443
__bch2_btree_node_update_key fs/bcachefs/btree_update_interior.c:2390 [inline]
bch2_btree_node_update_key+0x16ff/0x3260 fs/bcachefs/btree_update_interior.c:2450
bch2_btree_node_update_key_get_iter+0x87a/0xab0 fs/bcachefs/btree_update_interior.c:2494
btree_node_write_work+0x8a2/0xe10 fs/bcachefs/btree_io.c:1870
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:5/64:
#0: ffff88802a36c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802a36c948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900015f7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900015f7d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5e0608 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
4 locks held by kworker/1:1H/100:
#0: ffff88801e43e148 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88801e43e148 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900020afd00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900020afd00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x911/0xd30 fs/bcachefs/btree_iter.c:3069
#3: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#3: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#3: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:760 [inline]
#3: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa85/0x3250 fs/bcachefs/btree_iter.c:1178
2 locks held by getty/4854:
#0: ffff88802aed90a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.3/5117:
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
5 locks held by kworker/u9:2/5122:
#0: ffff888041025948 ((wq_completion)bcachefs){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888041025948 ((wq_completion)bcachefs){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90008e7fd00 ((work_completion)(&wp->index_update_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90008e7fd00 ((work_completion)(&wp->index_update_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#2: ffff888069084250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x911/0xd30 fs/bcachefs/btree_iter.c:3069
#3: ffff88805b428870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#3: ffff88805b428870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#3: ffff88805b428870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:760 [inline]
#3: ffff88805b428870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa85/0x3250 fs/bcachefs/btree_iter.c:1178
#4: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: bch2_trans_iter_init fs/bcachefs/btree_iter.h:487 [inline]
#4: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: bch2_write_index_default fs/bcachefs/io_write.c:369 [inline]
#4: ffff8880298d8070 (&dev->mutex){....}-{3:3}, at: __bch2_write_index+0xbc3/0x2190 fs/bcachefs/io_write.c:528
2 locks held by syz-executor.5/8718:
4 locks held by syz-executor.2/8899:
1 lock held by syz-executor.4/9602:
#0: ffff8880b943e658 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
3 locks held by syz-executor.0/10409:
#0: ffffffff8f5e0608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5e0608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
#1: ffff888063439408 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x22d/0x420 drivers/net/wireguard/device.c:50
#2: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#2: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939
1 lock held by syz-executor.2/10549:
#0: ffffffff8f5e0608 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5e0608 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:kasan_check_range+0x5/0x290 mm/kasan/generic.c:188
Code: 8d e8 4f ac e4 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <41> 57 41 56 41 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37
RSP: 0018:ffffc90000107840 EFLAGS: 00000046
RAX: 000000000000001b RBX: 00000000000006c7 RCX: ffffffff8172860e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f9d658
RBP: 0000000000000000 R08: ffffffff92f9d65f R09: 1ffffffff25f3acb
R10: dffffc0000000000 R11: fffffbfff25f3acc R12: 0000000000000001
R13: ffff8880176b4728 R14: 0000000000000001 R15: ffff8880176b4728
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1063f7a978 CR3: 000000000e132000 CR4: 0000000000350ef0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:228 [inline]
check_wait_context kernel/locking/lockdep.c:4798 [inline]
__lock_acquire+0x86e/0x1fd0 kernel/locking/lockdep.c:5087
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
batadv_nc_purge_paths+0xe8/0x3b0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x365/0x610 net/batman-adv/network-coding.c:722
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244