INFO: task syz.2.67:5624 blocked for more than 143 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:18208 pid:5624 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
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+0x122/0x3d0 fs/bcachefs/btree_locking.c:428
__btree_node_lock_write fs/bcachefs/btree_locking.h:298 [inline]
bch2_btree_node_lock_write fs/bcachefs/btree_locking.h:306 [inline]
bch2_trans_lock_write+0x735/0xce0 fs/bcachefs/btree_trans_commit.c:124
do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:872 [inline]
__bch2_trans_commit+0x3524/0x88e0 fs/bcachefs/btree_trans_commit.c:1119
bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline]
__bch2_create+0x992/0xe90 fs/bcachefs/fs.c:360
bch2_mknod fs/bcachefs/fs.c:492 [inline]
bch2_create+0xe2/0x190 fs/bcachefs/fs.c:506
lookup_open fs/namei.c:3505 [inline]
open_last_lookups fs/namei.c:3574 [inline]
path_openat+0x1a84/0x35f0 fs/namei.c:3810
do_filp_open+0x235/0x490 fs/namei.c:3840
do_sys_openat2+0x13e/0x1d0 fs/open.c:1413
do_sys_open fs/open.c:1428 [inline]
__do_sys_openat fs/open.c:1444 [inline]
__se_sys_openat fs/open.c:1439 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1439
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe4560f4048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe455503f60 RCX: 00007fe455375bd9
RDX: 000000000000275a RSI: 0000000020000280 RDI: ffffffffffffff9c
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe455503f60 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5687 blocked for more than 144 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:25904 pid:5687 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:791 [inline]
open_last_lookups fs/namei.c:3571 [inline]
path_openat+0x7e9/0x35f0 fs/namei.c:3810
do_filp_open+0x235/0x490 fs/namei.c:3840
do_sys_openat2+0x13e/0x1d0 fs/open.c:1413
do_sys_open fs/open.c:1428 [inline]
__do_sys_openat fs/open.c:1444 [inline]
__se_sys_openat fs/open.c:1439 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1439
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe4560d3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe455504038 RCX: 00007fe455375bd9
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe455504038 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5691 blocked for more than 144 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:26208 pid:5691 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mkdirat+0xbd/0x3a0 fs/namei.c:4152
__do_sys_mkdirat fs/namei.c:4175 [inline]
__se_sys_mkdirat fs/namei.c:4173 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4173
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe4560b2048 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fe455504110 RCX: 00007fe455375bd9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe455504110 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5692 blocked for more than 145 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27392 pid:5692 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mkdirat+0xbd/0x3a0 fs/namei.c:4152
__do_sys_mkdirat fs/namei.c:4175 [inline]
__se_sys_mkdirat fs/namei.c:4173 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4173
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe456091048 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fe4555041e8 RCX: 00007fe455375bd9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe4555041e8 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5694 blocked for more than 145 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27392 pid:5694 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mkdirat+0xbd/0x3a0 fs/namei.c:4152
__do_sys_mkdir fs/namei.c:4180 [inline]
__se_sys_mkdir fs/namei.c:4178 [inline]
__x64_sys_mkdir+0x6e/0x80 fs/namei.c:4178
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe456070048 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fe4555042c0 RCX: 00007fe455375bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe4555042c0 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5695 blocked for more than 145 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27184 pid:5695 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:791 [inline]
open_last_lookups fs/namei.c:3571 [inline]
path_openat+0x7e9/0x35f0 fs/namei.c:3810
do_filp_open+0x235/0x490 fs/namei.c:3840
do_sys_openat2+0x13e/0x1d0 fs/open.c:1413
do_sys_open fs/open.c:1428 [inline]
__do_sys_creat fs/open.c:1504 [inline]
__se_sys_creat fs/open.c:1498 [inline]
__x64_sys_creat+0x123/0x170 fs/open.c:1498
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe454dff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fe455504398 RCX: 00007fe455375bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000e00
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe455504398 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5697 blocked for more than 146 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27392 pid:5697 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mknodat+0x18b/0x5b0 fs/namei.c:4052
__do_sys_mknod fs/namei.c:4098 [inline]
__se_sys_mknod fs/namei.c:4096 [inline]
__x64_sys_mknod+0x8e/0xa0 fs/namei.c:4096
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe454dde048 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007fe455504470 RCX: 00007fe455375bd9
RDX: 0000000000000705 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe455504470 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5701 blocked for more than 146 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27392 pid:5701 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:801 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1708
walk_component+0x2e1/0x410 fs/namei.c:2004
lookup_last fs/namei.c:2469 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2493
filename_lookup+0x256/0x610 fs/namei.c:2522
do_linkat+0x13f/0x6f0 fs/namei.c:4669
__do_sys_link fs/namei.c:4723 [inline]
__se_sys_link fs/namei.c:4721 [inline]
__x64_sys_link+0x86/0xa0 fs/namei.c:4721
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455375bd9
RSP: 002b:00007fe454dbd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007fe455504548 RCX: 00007fe455375bd9
RDX: 0000000000000000 RSI: 0000000020000bc0 RDI: 0000000020001240
RBP: 00007fe4553e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe455504548 R15: 00007fffadbf5aa8
INFO: task syz.2.67:5704 blocked for more than 146 seconds.
Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.67 state:D stack:27392 pid:5704 tgid:5623 ppid:5085 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
inode_lock_nested include/linux/fs.h:826 [inline]
filename_create+0x260/0x540 fs/namei.c:3906
do_mkdirat+0xbd/0x3a0 fs/namei.c:4152
__do_sys_mkdirat fs/namei.c:4175 [inline]
__se_sys_mkdirat fs/namei.c:4173 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4173
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe455374517
RSP: 002b:00007fe454d9be78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fe454d9bf00 RCX: 00007fe455374517
RDX: 00000000000001ff RSI: 00000000200003c0 RDI: 00000000ffffff9c
RBP: 0000000020000200 R08: 00000000200000c0 R09: 0000000000000000
R10: 0000000020000200 R11: 0000000000000246 R12: 00000000200003c0
R13: 00007fe454d9bec0 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
1 lock held by khungtaskd/30:
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:2/1795:
#0: ffff888015081148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015081148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc9000512fd00 ((work_completion)(&c->read_only_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc9000512fd00 ((work_completion)(&c->read_only_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffff88806c500278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_read_only_work+0x25/0x40 fs/bcachefs/super.c:392
2 locks held by getty/4835:
#0: ffff88802af740a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
11 locks held by syz.2.67/5624:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810
#2: ffff8880615a8510 (&inode->ei_update_lock){+.+.}-{3:3}, at: __bch2_create+0x340/0xe90 fs/bcachefs/fs.c:335
#3: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#3: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#3: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193
#4: ffff888062554070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline]
#4: ffff888062554070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507
#5: ffff8880614b0478 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline]
#5: ffff8880614b0478 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507
#6: ffff888062235870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline]
#6: ffff888062235870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507
#7: ffff888029f16870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline]
#7: ffff888029f16870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507
#8: ffff8880614b0b30 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached+0x48d/0xd50
#9: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline]
#9: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline]
#9: ffff888062554070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0x1ec/0x570 fs/bcachefs/btree_iter.c:1249
#10: ffff8880590eac88 (&dev->mutex){....}-{3:3}, at: six_trylock_intent fs/bcachefs/six.h:366 [inline]
#10: ffff8880590eac88 (&dev->mutex){....}-{3:3}, at: bkey_cached_alloc fs/bcachefs/btree_key_cache.c:290 [inline]
#10: ffff8880590eac88 (&dev->mutex){....}-{3:3}, at: btree_key_cache_create fs/bcachefs/btree_key_cache.c:330 [inline]
#10: ffff8880590eac88 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached_slowpath+0x1559/0x48c0 fs/bcachefs/btree_key_cache.c:485
2 locks held by syz.2.67/5687:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810
2 locks held by syz.2.67/5691:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
2 locks held by syz.2.67/5692:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
2 locks held by syz.2.67/5694:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
2 locks held by syz.2.67/5695:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: open_last_lookups fs/namei.c:3571 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: path_openat+0x7e9/0x35f0 fs/namei.c:3810
2 locks held by syz.2.67/5697:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
1 lock held by syz.2.67/5701:
#0: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:801 [inline]
#0: ffff8880615a8150 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708
2 locks held by syz.2.67/5704:
#0: ffff88802f692420 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
#1: ffff8880615a8150 (&type->i_mutex_dir_key#10/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3906
5 locks held by bch-reclaim/loo/5637:
#0: ffff88806c54afe8 (&j->reclaim_lock){+.+.}-{3:3}, at: bch2_journal_reclaim_thread+0x167/0x560 fs/bcachefs/journal_reclaim.c:726
#1: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#1: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#1: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193
#2: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#2: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#2: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_btree_key_cache_journal_flush+0x120/0xee0 fs/bcachefs/btree_key_cache.c:716
#3: ffff8880614b0de0 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached+0x48d/0xd50
#4: ffff888062554070 (&dev->mutex){....}-{3:3}, at: bch2_trans_iter_init fs/bcachefs/btree_iter.h:503 [inline]
#4: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_key_cache_flush_pos fs/bcachefs/btree_key_cache.c:612 [inline]
#4: ffff888062554070 (&dev->mutex){....}-{3:3}, at: bch2_btree_key_cache_journal_flush+0x596/0xee0 fs/bcachefs/btree_key_cache.c:736
5 locks held by syz.2.67/5641:
#0: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#0: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#0: ffff88806c5042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0 fs/bcachefs/btree_iter.c:3193
#1: ffff888062554070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#1: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#1: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline]
#1: ffff888062554070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177
#2: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline]
#2: ffff888062554070 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline]
#2: ffff888062554070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0x1ec/0x570 fs/bcachefs/btree_iter.c:1249
#3: ffff88807ff39070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#3: ffff88807ff39070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#3: ffff88807ff39070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline]
#3: ffff88807ff39070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177
#4: ffff88806c561398 (&c->fsck_error_msgs_lock){+.+.}-{3:3}, at: bch2_fsck_err+0x311/0x1450 fs/bcachefs/error.c:239
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
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:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0xc33/0x1fd0 kernel/locking/lockdep.c:5107
Code: 00 85 c0 0f 84 64 05 00 00 48 c7 c0 e0 96 76 94 48 c1 e8 03 48 bf 00 00 00 00 00 fc ff df 0f b6 04 38 84 c0 0f 85 aa 0c 00 00 <83> 3d 86 1d 04 13 00 75 39 48 63 9c 24 88 00 00 00 48 89 d8 48 c1
RSP: 0018:ffffc900001078f0 EFLAGS: 00000097
RAX: 0000000000000004 RBX: ffffffff92cac188 RCX: ffffffff94769603
RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000
RBP: ffff8880176b4730 R08: ffffffff92f71587 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: 0000000000000000
R13: ffff8880176b3c00 R14: 1ffff11002ed68ea R15: ffff8880176b4750
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08466d1178 CR3: 00000000116ea000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock include/linux/rcupdate.h:781 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xec/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244