INFO: task syz-executor:5572 blocked for more than 143 seconds.
Not tainted 6.1.116-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:21144 pid:5572 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
bit_wait+0xe/0xc0 kernel/sched/wait_bit.c:199
__wait_on_bit+0xa8/0x2e0 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d0/0x250 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_glock_wait+0xc3/0x2a0 fs/gfs2/glock.c:1346
gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline]
__gfs2_lookup+0x117/0x270 fs/gfs2/inode.c:879
__lookup_slow+0x27e/0x3d0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2d0/0x400 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2479
filename_lookup+0x251/0x600 fs/namei.c:2508
user_path_at_empty+0x3e/0x60 fs/namei.c:2905
user_path_at include/linux/namei.h:57 [inline]
ksys_umount fs/namespace.c:1822 [inline]
__do_sys_umount fs/namespace.c:1830 [inline]
__se_sys_umount fs/namespace.c:1828 [inline]
__x64_sys_umount+0xf0/0x170 fs/namespace.c:1828
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f990cd7fa47
RSP: 002b:00007ffe9d1c92d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007f990cdf14b4 RCX: 00007f990cd7fa47
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe9d1c9390
RBP: 00007ffe9d1c9390 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe9d1ca480
R13: 00007f990cdf14b4 R14: 000055557f9e54a8 R15: 00007ffe9d1cc630
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d32b110 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d32b910 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
2 locks held by kworker/0:1/14:
#0: ffff888017c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90000137d20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
1 lock held by khungtaskd/27:
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6510
3 locks held by kworker/u5:0/48:
#0: ffff88807f634938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90000b97d20 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff8880674510b8 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1dc/0x400 net/bluetooth/hci_sync.c:325
2 locks held by getty/4010:
#0: ffff888031494098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900032462f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2198
1 lock held by syz-executor/5572:
#0: ffff888059d10808 (&type->i_mutex_dir_key#20){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
#0: ffff888059d10808 (&type->i_mutex_dir_key#20){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
2 locks held by dhcpcd/9527:
#0: ffff88807b182130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1750 [inline]
#0: ffff88807b182130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xd00 net/packet/af_packet.c:3263
#1: ffffffff8d330538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#1: ffffffff8d330538 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f0/0x930 kernel/rcu/tree_exp.h:962
1 lock held by dhcpcd-run-hook/9529:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ae/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9532 Comm: sed Not tainted 6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:mas_validate_limits lib/maple_tree.c:7119 [inline]
RIP: 0010:mt_validate+0x2043/0x5ad0 lib/maple_tree.c:7238
Code: f6 e8 f1 51 ec f6 31 ff 8b 5c 24 20 89 de e8 64 51 ec f6 4d 85 f6 75 08 85 db 0f 85 af 08 00 00 48 b8 00 00 00 00 00 fc ff df <48> 8b 4c 24 10 80 3c 01 00 74 09 48 8b 3c 24 e8 49 d6 43 f7 48 8b
RSP: 0018:ffffc9000e6d7340 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88807d418000
RDX: ffff88807d418000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000e6d7530 R08: ffffffff8a9e3e2c R09: ffffffff8a9e3cc4
R10: 0000000000000003 R11: ffff88807d418000 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdb28d57fff R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb28fd1290 CR3: 00000000619ae000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
validate_mm_mt+0x165/0x670 mm/mmap.c:295
validate_mm+0x16e/0x380 mm/mmap.c:332
remove_mt mm/mmap.c:2311 [inline]
do_mas_align_munmap+0x131d/0x15f0 mm/mmap.c:2585
do_mas_munmap+0x246/0x2b0 mm/mmap.c:2640
mmap_region+0x8e6/0x1fa0 mm/mmap.c:2688
do_mmap+0x8c5/0xf60 mm/mmap.c:1425
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:520
ksys_mmap_pgoff+0x4f5/0x6d0 mm/mmap.c:1471
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdb28fedb74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007ffd90ff7888 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffd90ff78c8 RCX: 00007fdb28fedb74
RDX: 0000000000000005 RSI: 0000000000014000 RDI: 00007fdb28d2c000
RBP: 00007ffd90ff7c60 R08: 0000000000000003 R09: 0000000000007000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fdb28fd0fc0
R13: 00007ffd90ff7ce8 R14: 0000000000006f68 R15: 0000000000000000