INFO: task syz.2.34:5590 blocked for more than 143 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.34 state:D stack:27392 pid:5590 tgid:5564 ppid:5227 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
inode_lock include/linux/fs.h:815 [inline]
do_lock_mount+0x112/0x3a0 fs/namespace.c:2607
lock_mount fs/namespace.c:2649 [inline]
do_loopback+0x2be/0x520 fs/namespace.c:2772
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4055 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
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: 0033:0x7f5bb9b7def9
RSP: 002b:00007f5bba90d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5bb9d36058 RCX: 00007f5bb9b7def9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000020000380
RBP: 00007f5bb9bf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5bb9d36058 R15: 00007ffd4fe5aaa8
INFO: task syz.2.34:5593 blocked for more than 144 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.34 state:D stack:24056 pid:5593 tgid:5564 ppid:5227 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
inode_lock include/linux/fs.h:815 [inline]
process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:572
security_file_post_open+0xb9/0x280 security/security.c:3127
do_open fs/namei.c:3776 [inline]
path_openat+0x2ccd/0x3590 fs/namei.c:3933
do_filp_open+0x235/0x490 fs/namei.c:3960
do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_open fs/open.c:1438 [inline]
__se_sys_open fs/open.c:1434 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1434
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: 0033:0x7f5bb9b7def9
RSP: 002b:00007f5bba8ec038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5bb9d36130 RCX: 00007f5bb9b7def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200005c0
RBP: 00007f5bb9bf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5bb9d36130 R15: 00007ffd4fe5aaa8
INFO: task syz.2.34:5594 blocked for more than 144 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.34 state:D stack:25840 pid:5594 tgid:5564 ppid:5227 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
inode_lock include/linux/fs.h:815 [inline]
process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:572
security_file_post_open+0xb9/0x280 security/security.c:3127
do_open fs/namei.c:3776 [inline]
path_openat+0x2ccd/0x3590 fs/namei.c:3933
do_filp_open+0x235/0x490 fs/namei.c:3960
do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_creat fs/open.c:1506 [inline]
__se_sys_creat fs/open.c:1500 [inline]
__x64_sys_creat+0x123/0x170 fs/open.c:1500
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: 0033:0x7f5bb9b7def9
RSP: 002b:00007f5bba8cb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f5bb9d36208 RCX: 00007f5bb9b7def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340
RBP: 00007f5bb9bf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5bb9d36208 R15: 00007ffd4fe5aaa8
INFO: task syz.3.41:5747 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.41 state:D stack:27296 pid:5747 tgid:5746 ppid:5310 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
wb_wait_for_completion+0x166/0x290 fs/fs-writeback.c:216
sync_inodes_sb+0x293/0xb40 fs/fs-writeback.c:2799
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7fc57797def9
RSP: 002b:00007fc5786d7038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc577b35f80 RCX: 00007fc57797def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc5779f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc577b35f80 R15: 00007ffdaca64188
INFO: task syz.3.41:5748 blocked for more than 145 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.41 state:D stack:27392 pid:5748 tgid:5746 ppid:5310 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7fc57797def9
RSP: 002b:00007fc5786b6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc577b36058 RCX: 00007fc57797def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc5779f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc577b36058 R15: 00007ffdaca64188
INFO: task syz.3.41:5749 blocked for more than 146 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.41 state:D stack:27392 pid:5749 tgid:5746 ppid:5310 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7fc57797def9
RSP: 002b:00007fc578695038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc577b36130 RCX: 00007fc57797def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc5779f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc577b36130 R15: 00007ffdaca64188
INFO: task syz.3.41:5750 blocked for more than 147 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.41 state:D stack:27392 pid:5750 tgid:5746 ppid:5310 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7fc57797def9
RSP: 002b:00007fc5773ff038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc577b36208 RCX: 00007fc57797def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc5779f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc577b36208 R15: 00007ffdaca64188
INFO: task syz.3.41:5751 blocked for more than 147 seconds.
Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.41 state:D stack:27392 pid:5751 tgid:5746 ppid:5310 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xbd/0x1c0 fs/sync.c:102
__do_sys_sync+0xe/0x20 fs/sync.c:113
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: 0033:0x7fc57797def9
RSP: 002b:00007fc5773de038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fc577b362e0 RCX: 00007fc57797def9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc5779f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc577b362e0 R15: 00007ffdaca64188
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
#0: ffffffff8e73de38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#0: ffffffff8e73de38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:965
1 lock held by khungtaskd/30:
#0: ffffffff8e738a60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#0: ffffffff8e738a60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8e738a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6701
2 locks held by kworker/u8:2/35:
4 locks held by kworker/u8:5/138:
#0: ffff88801b6e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88801b6e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90002d67d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90002d67d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8faa3990 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580
#3: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246
3 locks held by kworker/u8:7/1074:
#0: ffff88801a889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88801a889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900040cfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900040cfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/u8:8/2913:
#0: ffff888020e80948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888020e80948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90009b2fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90009b2fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0 fs/super.c:562
1 lock held by dhcpcd/4886:
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1aa0 net/ipv4/devinet.c:1097
2 locks held by getty/4986:
#0: ffff888030aee0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
5 locks held by syz.2.34/5567:
#0: ffff888030e54420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: do_truncate+0x20c/0x310 fs/open.c:63
#2: ffff888064a00a18 (&c->snapshot_create_lock){.+.+}-{3:3}, at: bch2_truncate+0x16c/0x2c0 fs/bcachefs/io_misc.c:290
#3: ffff888064a042c0 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:151 [inline]
#3: ffff888064a042c0 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:250 [inline]
#3: ffff888064a042c0 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7de/0xd20 fs/bcachefs/btree_iter.c:3200
#4: ffff888064a26690 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 fs/bcachefs/btree_update_interior.c:1197
1 lock held by syz.2.34/5590:
#0: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: do_lock_mount+0x112/0x3a0 fs/namespace.c:2607
1 lock held by syz.2.34/5593:
#0: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#0: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
2 locks held by syz.2.34/5594:
#0: ffff888030e54420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff88807edf8148 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250
2 locks held by bch-reclaim/loo/5577:
2 locks held by syz.3.41/5747:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.41/5748:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.41/5749:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.41/5750:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.41/5751:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.40/5794:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.40/5796:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.40/5798:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.40/5799:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.40/5800:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.129/6695:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.129/6696:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.129/6697:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.131/6786:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.131/6792:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.131/6794:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.131/6796:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.3.131/6798:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
1 lock held by syz-executor/7012:
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
4 locks held by syz-executor/7260:
#0: ffff88806309cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88806309cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff88806309c078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
#2: ffffffff8fc1cc28 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1972 [inline]
#2: ffffffff8fc1cc28 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2589
#3: ffffffff8e73de38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#3: ffffffff8e73de38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:965
1 lock held by syz-executor/7392:
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
2 locks held by syz.2.206/7424:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.206/7433:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.206/7435:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.206/7439:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
2 locks held by syz.2.206/7443:
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff888030e540e0 (&type->s_umount_key#89){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:388 [inline]
#1: ffff888030e567d0 (&bdi->wb_switch_rwsem){+.+.}-{3:3}, at: sync_inodes_sb+0x274/0xb40 fs/fs-writeback.c:2797
1 lock held by syz-executor/7508:
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fab0488 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
2 locks held by syz-executor/7553:
#0: ffff88805ee68d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88805ee68d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff88805ee68078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
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+0xff4/0x1040 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5577 Comm: bch-reclaim/loo Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__lock_release kernel/locking/lockdep.c:5480 [inline]
RIP: 0010:lock_release+0x203/0xa30 kernel/locking/lockdep.c:5843
Code: 05 00 00 c7 84 24 80 00 00 00 01 00 00 00 48 c7 c0 7c e3 fa 8f 48 c1 e8 03 42 0f b6 04 38 84 c0 4c 8b 74 24 18 4c 8b 6c 24 20 <0f> 85 75 05 00 00 83 3d bc e8 8a 0e 00 0f 84 bf 03 00 00 49 8d b5
RSP: 0018:ffffc900033076c0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000246 RCX: ffffc90003307703
RDX: 1ffff92000660ee8 RSI: ffffffff8beae5c0 RDI: ffffffff8c3fd840
RBP: ffffc90003307800 R08: ffffffff8ffab12f R09: 1ffffffff1ff5625
R10: dffffc0000000000 R11: fffffbfff1ff5626 R12: 1ffff92000660ee4
R13: ffff888029723c00 R14: ffff888064a4a880 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562fbdbd7131 CR3: 000000002f4c8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
_raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
__bch2_next_write_buffer_flush_journal_buf+0x263/0x2a0 fs/bcachefs/journal.c:894
bch2_next_write_buffer_flush_journal_buf+0xa3/0x1b0 fs/bcachefs/journal.c:904
fetch_wb_keys_from_journal fs/bcachefs/btree_write_buffer.c:486 [inline]
btree_write_buffer_flush_seq+0x18c/0x1bc0 fs/bcachefs/btree_write_buffer.c:503
bch2_btree_write_buffer_journal_flush+0x4e/0x80 fs/bcachefs/btree_write_buffer.c:525
journal_flush_pins+0x5f7/0xb20 fs/bcachefs/journal_reclaim.c:565
__bch2_journal_reclaim+0x77d/0xe40 fs/bcachefs/journal_reclaim.c:697
bch2_journal_reclaim_thread+0x174/0x560 fs/bcachefs/journal_reclaim.c:739
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