INFO: task syz-executor:6489 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20168 pid:6489 tgid:6489 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4bc0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x2ce/0x3a0 fs/jfs/jfs_umount.c:114
jfs_put_super+0x8a/0x190 fs/jfs/super.c:194
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13e/0x330 kernel/entry/common.c:218
do_syscall_64+0x8e/0x160 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f0da2b87057
RSP: 002b:00007ffdac87f528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0da2b87057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdac87f5e0
RBP: 00007ffdac87f5e0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdac880660
R13: 00007f0da2c018f4 R14: 00007ffdac8806a0 R15: 0000000000000001
INFO: task syz-executor:6491 blocked for more than 143 seconds.
Not tainted 6.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20872 pid:6491 tgid:6491 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4bc0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
__mutex_lock_common kernel/locking/mutex.c:665 [inline]
__mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
jfs_umount+0x2ce/0x3a0 fs/jfs/jfs_umount.c:114
jfs_put_super+0x8a/0x190 fs/jfs/super.c:194
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1710
deactivate_locked_super+0xc4/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13e/0x330 kernel/entry/common.c:218
do_syscall_64+0x8e/0x160 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f84e7f87057
RSP: 002b:00007ffd713e37c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f84e7f87057
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd713e3880
RBP: 00007ffd713e3880 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd713e4900
R13: 00007f84e80018f4 R14: 00007ffd713e4940 R15: 0000000000000001
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8df350e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8df350e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8df350e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
3 locks held by kworker/u8:2/35:
2 locks held by getty/5451:
#0: ffff88814d31b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900032fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz-executor/6487:
#0: ffff88806433a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88806433a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88806433a0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/6489:
#0: ffff88802502e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88802502e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88802502e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/6491:
#0: ffff8880266ba0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880266ba0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880266ba0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7208:
#0: ffff8880285740e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880285740e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880285740e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7209:
#0: ffff888064ea80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff888064ea80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff888064ea80e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7229:
#0: ffff88803183c0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88803183c0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88803183c0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7231:
#0: ffff88801f7900e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88801f7900e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88801f7900e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7233:
#0: ffff8880327ee0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff8880327ee0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff8880327ee0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
2 locks held by syz-executor/7319:
#0: ffff88804e13e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88804e13e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88804e13e0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffffffff8e34dcc8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb2/0x530 fs/jfs/jfs_logmgr.c:1444
1 lock held by syz-executor/7329:
#0: ffff88807ba260e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock fs/super.c:56 [inline]
#0: ffff88807ba260e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:71 [inline]
#0: ffff88807ba260e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
2 locks held by syz.2.608/8596:
1 lock held by syz.1.609/8599:
2 locks held by syz.5.610/8600:
1 lock held by syz.6.611/8602:
1 lock held by syz.0.612/8604:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xfee/0x1030 kernel/hung_task.c:397
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 UID: 0 PID: 8602 Comm: syz.6.611 Not tainted 6.13.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__lock_acquire+0x10d/0x81c0 kernel/locking/lockdep.c:5089
Code: 00 00 c7 44 24 30 00 00 00 00 83 3d cc 4f f4 0d 00 0f 84 9a 64 00 00 89 9c 24 b8 00 00 00 4c 89 e8 48 c1 e8 03 42 80 3c 00 00 <74> 12 4c 89 ef e8 79 5a 88 00 49 b8 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffffc9000bed7000 EFLAGS: 00000046
RAX: 1ffffffff332c4b9 RBX: 0000000000000000 RCX: 1ffff920017dae24
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff999625c8
RBP: ffffc9000bed72c8 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1ed83e7 R12: 0000000000000000
R13: ffffffff999625c8 R14: ffff88801b7f1e00 R15: 0000000000000001
FS: 00007ff891b806c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8cebff000 CR3: 000000005bdce000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x540 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
__debug_check_no_obj_freed lib/debugobjects.c:1088 [inline]
debug_check_no_obj_freed+0xd2/0x520 lib/debugobjects.c:1129
free_pages_prepare mm/page_alloc.c:1134 [inline]
free_unref_folios+0x553/0x1860 mm/page_alloc.c:2706
folios_put_refs+0x76c/0x860 mm/swap.c:962
folio_batch_release include/linux/pagevec.h:101 [inline]
shmem_undo_range+0x593/0x1810 mm/shmem.c:1044
shmem_truncate_range mm/shmem.c:1156 [inline]
shmem_evict_inode+0x29e/0xa90 mm/shmem.c:1284
evict+0x4e8/0x9a0 fs/inode.c:796
__dentry_kill+0x200/0x610 fs/dcache.c:625
dput+0x19f/0x2b0 fs/dcache.c:867
__fput+0x5ba/0xa50 fs/file_table.c:458
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close+0x18d/0x250 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff890d8498a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24
RSP: 002b:00007ff891b7fe00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff890d8498a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000010 R08: 0000000000000000 R09: 00000000000060b3
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 00007ff891b7fef0 R14: 00007ff891b80668 R15: 00007ff887a00000