INFO: task syz-executor.0:3998 blocked for more than 143 seconds.
Not tainted 6.1.89-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24552 pid:3998 ppid:3564 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
xlog_grant_head_wait+0x3b6/0xa00 fs/xfs/xfs_log.c:307
xlog_grant_head_check+0x295/0x480
xfs_log_reserve+0x3e1/0xc30 fs/xfs/xfs_log.c:486
xfs_trans_reserve+0x239/0x6a0 fs/xfs/xfs_trans.c:194
xfs_trans_alloc+0x41e/0x890 fs/xfs/xfs_trans.c:283
xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
xfs_attr_set+0xa4e/0x1660 fs/xfs/libxfs/xfs_attr.c:1024
xfs_attr_change fs/xfs/xfs_xattr.c:106 [inline]
xfs_xattr_set+0x227/0x3a0 fs/xfs/xfs_xattr.c:151
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:648
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: 0033:0x7f941827dea9
RSP: 002b:00007f94190580c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f94183abf80 RCX: 00007f941827dea9
RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000020000100
RBP: 00007f94182ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000c03f R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f94183abf80 R15: 00007ffee2bfd988
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12ae50 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d12b650 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
2 locks held by getty/3310:
#0: ffff88802864b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188
3 locks held by syz-executor.0/3998:
#0: ffff888028e9e460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff8880572c9a78 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff8880572c9a78 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:308
#2: ffff888028e9e650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
3 locks held by syz-executor.1/5276:
#0: ffff88804ac1c460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
#1: ffff8880572c92b8 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
#1: ffff8880572c92b8 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:308
#2: ffff88804ac1c650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1191
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.89-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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+0x1b0/0x3f0 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:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3594 Comm: kworker/u4:6 Not tainted 6.1.89-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_preemption_disabled+0x42/0x110 lib/smp_processor_id.c:55
Code: 08 65 8b 1d 10 59 77 75 65 8b 05 b1 ae 77 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 <89> d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00
RSP: 0018:ffffc900047afba0 EFLAGS: 00000246
RAX: cb487cf29c5db700 RBX: 0000000000000000 RCX: ffff888015733b80
RDX: ffff888015733b80 RSI: ffffffff8b3d42c0 RDI: ffffffff8b3d4280
RBP: ffff888013aa4610 R08: ffffffff8a5bac8d R09: fffffbfff2093645
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888053204c80
R13: 00000000000000c2 R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a2337c038 CR3: 000000000ce8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
rcu_is_watching+0x11/0xb0 kernel/rcu/tree.c:721
rcu_read_lock include/linux/rcupdate.h:792 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x107/0x610 net/batman-adv/network-coding.c:719
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308