INFO: task syz.7.1330:10593 blocked for more than 143 seconds.
Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.1330 state:D stack:21936 pid:10593 tgid:10592 ppid:7795 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
mb_cache_entry_wait_unused+0x166/0x250 fs/mbcache.c:148
ext4_evict_ea_inode+0x14a/0x2f0 fs/ext4/xattr.c:480
ext4_evict_inode+0x194/0xf50 fs/ext4/inode.c:185
evict+0x4ea/0x9a0 fs/inode.c:796
ext4_xattr_ibody_set+0x590/0x730 fs/ext4/xattr.c:2287
ext4_xattr_set_handle+0xba6/0x1580 fs/ext4/xattr.c:2446
ext4_xattr_set+0x280/0x3e0 fs/ext4/xattr.c:2560
__vfs_setxattr+0x46a/0x4a0 fs/xattr.c:200
__vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
vfs_setxattr+0x221/0x430 fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x2af/0x430 fs/xattr.c:665
path_setxattrat+0x440/0x510 fs/xattr.c:713
__do_sys_setxattr fs/xattr.c:747 [inline]
__se_sys_setxattr fs/xattr.c:743 [inline]
__x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
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: 0033:0x7f6021b85d29
RSP: 002b:00007f6022a25038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f6021d75fa0 RCX: 00007f6021b85d29
RDX: 0000000020001400 RSI: 00000000200001c0 RDI: 00000000200003c0
RBP: 00007f6021c01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000835 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6021d75fa0 R15: 00007fff9ed1eef8
INFO: task syz.7.1330:10607 blocked for more than 145 seconds.
Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.1330 state:D stack:24592 pid:10607 tgid:10592 ppid:7795 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
__wait_on_freeing_inode+0x1c7/0x2f0 fs/inode.c:2502
find_inode_fast+0x2ab/0x480 fs/inode.c:1103
iget_locked+0x96/0x5a0 fs/inode.c:1475
__ext4_iget+0x264/0x3f60 fs/ext4/inode.c:4760
ext4_xattr_inode_cache_find fs/ext4/xattr.c:1548 [inline]
ext4_xattr_inode_lookup_create+0x515/0x2030 fs/ext4/xattr.c:1587
ext4_xattr_block_set+0x274/0x3980 fs/ext4/xattr.c:1916
ext4_xattr_set_handle+0xce0/0x1580 fs/ext4/xattr.c:2458
ext4_xattr_set+0x280/0x3e0 fs/ext4/xattr.c:2560
__vfs_setxattr+0x46a/0x4a0 fs/xattr.c:200
__vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234
vfs_setxattr+0x221/0x430 fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x2af/0x430 fs/xattr.c:665
path_setxattrat+0x440/0x510 fs/xattr.c:713
__do_sys_setxattr fs/xattr.c:747 [inline]
__se_sys_setxattr fs/xattr.c:743 [inline]
__x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
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: 0033:0x7f6021b85d29
RSP: 002b:00007f6022a04038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f6021d76080 RCX: 00007f6021b85d29
RDX: 0000000020001400 RSI: 00000000200001c0 RDI: 0000000020000380
RBP: 00007f6021c01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000835 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6021d76080 R15: 00007fff9ed1eef8
INFO: task syz.7.1330:10621 blocked for more than 146 seconds.
Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.1330 state:D stack:27328 pid:10621 tgid:10592 ppid:7795 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 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
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
do_setxattr fs/xattr.c:636 [inline]
filename_setxattr+0x2af/0x430 fs/xattr.c:665
path_setxattrat+0x440/0x510 fs/xattr.c:713
__do_sys_setxattr fs/xattr.c:747 [inline]
__se_sys_setxattr fs/xattr.c:743 [inline]
__x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
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: 0033:0x7f6021b85d29
RSP: 002b:00007f60229e3038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f6021d76160 RCX: 00007f6021b85d29
RDX: 0000000020000400 RSI: 00000000200001c0 RDI: 0000000020000300
RBP: 00007f6021c01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000835 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6021d76160 R15: 00007fff9ed1eef8
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
2 locks held by getty/5597:
#0: ffff88814cdb10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by syz.7.1330/10593:
#0: ffff88807e730420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88807bbac950 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88807bbac950 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
#2: ffff88807bbac620 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_lock_xattr fs/ext4/xattr.h:154 [inline]
#2: ffff88807bbac620 (&ei->xattr_sem){++++}-{4:4}, at: ext4_xattr_set_handle+0x277/0x1580 fs/ext4/xattr.c:2373
3 locks held by syz.7.1330/10607:
#0: ffff88807e730420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff8880578a0de0 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff8880578a0de0 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
#2: ffff8880578a0ab0 (&ei->xattr_sem){++++}-{4:4}, at: ext4_write_lock_xattr fs/ext4/xattr.h:154 [inline]
#2: ffff8880578a0ab0 (&ei->xattr_sem){++++}-{4:4}, at: ext4_xattr_set_handle+0x277/0x1580 fs/ext4/xattr.c:2373
2 locks held by syz.7.1330/10621:
#0: ffff88807e730420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88807bbac950 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88807bbac950 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: vfs_setxattr+0x1e1/0x430 fs/xattr.c:320
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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+0x198/0x320 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+0xff6/0x1040 kernel/hung_task.c:397
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 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111