INFO: task syz-executor.2:11472 blocked for more than 143 seconds.
Not tainted 5.15.155-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24352 pid:11472 ppid: 10637 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
xlog_grant_head_wait+0x381/0x900 fs/xfs/xfs_log.c:256
xlog_grant_head_check+0x295/0x480
xfs_log_reserve+0x3b8/0xb10 fs/xfs/xfs_log.c:464
xfs_trans_reserve+0x23d/0x690 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x420/0x7f0 fs/xfs/xfs_trans.c:288
xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1047
xfs_attr_set+0x848/0x1460 fs/xfs/libxfs/xfs_attr.c:772
xfs_xattr_set+0x227/0x3a0 fs/xfs/xfs_xattr.c:59
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:303
do_setxattr fs/xattr.c:588 [inline]
setxattr+0x27e/0x2e0 fs/xattr.c:611
path_setxattr+0x1bc/0x2a0 fs/xattr.c:630
__do_sys_lsetxattr fs/xattr.c:653 [inline]
__se_sys_lsetxattr fs/xattr.c:649 [inline]
__x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc2da893ea9
RSP: 002b:00007fc2d8e060c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fc2da9c1f80 RCX: 00007fc2da893ea9
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007fc2da8e04a4 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000fffe R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc2da9c1f80 R15: 00007ffc98f84de8
INFO: task syz-executor.2:11554 blocked for more than 143 seconds.
Not tainted 5.15.155-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26840 pid:11554 ppid: 10637 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
xlog_grant_head_wait+0x381/0x900 fs/xfs/xfs_log.c:256
xlog_grant_head_check+0x295/0x480
xfs_log_reserve+0x3b8/0xb10 fs/xfs/xfs_log.c:464
xfs_trans_reserve+0x23d/0x690 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x420/0x7f0 fs/xfs/xfs_trans.c:288
xfs_trans_alloc_icreate+0xc5/0x2b0 fs/xfs/xfs_trans.c:1102
xfs_create+0x745/0x1370 fs/xfs/xfs_inode.c:1018
xfs_generic_create+0x426/0xd00 fs/xfs/xfs_iops.c:197
lookup_open fs/namei.c:3462 [inline]
open_last_lookups fs/namei.c:3532 [inline]
path_openat+0x130a/0x2f20 fs/namei.c:3739
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x500 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc2da893ea9
RSP: 002b:00007fc2d8de50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc2da9c2050 RCX: 00007fc2da893ea9
RDX: 0000000000145842 RSI: 0000000020000440 RDI: ffffffffffffff9c
RBP: 00007fc2da8e04a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc2da9c2050 R15: 00007ffc98f84de8
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/1:2/1929:
#0: ffff888011c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90005c67d20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
2 locks held by getty/3263:
#0: ffff88814b44b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
2 locks held by kworker/1:3/3307:
#0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90002d87d20 (xfrm_state_gc_work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
2 locks held by kworker/u4:5/3583:
2 locks held by kworker/0:9/3777:
#0: ffff8880b9a3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffff8880b9a27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
3 locks held by kworker/1:14/5966:
#0: ffff888011c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc900033f7d20 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffffffff8c9240a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
#2: ffffffff8c9240a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 kernel/rcu/tree_exp.h:845
3 locks held by syz-executor.2/11472:
#0: ffff888056c4e460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88806fc11200 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff88806fc11200 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:302
#2: ffff888056c4e650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1047
3 locks held by syz-executor.2/11554:
#0: ffff888056c4e460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88806fc10a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff88806fc10a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
#1: ffff88806fc10a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x824/0x2f20 fs/namei.c:3739
#2: ffff888056c4e650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc5/0x2b0 fs/xfs/xfs_trans.c:1102
2 locks held by syz-executor.2/12930:
#0: ffff88807c1c80e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
#1: ffffffff8c9240a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
#1: ffffffff8c9240a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x350/0x740 kernel/rcu/tree_exp.h:845
1 lock held by syz-executor.3/13450:
#0: ffff888079e840e0 (&type->s_umount_key#87){+.+.}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
3 locks held by syz-executor.0/13483:
#0: ffff88807cfb0460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88806fc22880 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff88806fc22880 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 fs/xattr.c:302
#2: ffff88807cfb0650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 fs/xfs/xfs_trans.c:1047
3 locks held by syz-executor.0/13519:
#0: ffff88807cfb0460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88806fc20a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff88806fc20a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
#1: ffff88806fc20a80 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x824/0x2f20 fs/namei.c:3739
#2: ffff88807cfb0650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc5/0x2b0 fs/xfs/xfs_trans.c:1102
1 lock held by syz-executor.1/14476:
2 locks held by syz-executor.4/14478:
1 lock held by syz-executor.0/14480:
#0: ffff8880642e1cb8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x27/0xa0 net/netfilter/nf_tables_api.c:9935
2 locks held by syz-executor.0/14481:
#0: ffffffff917b3a58 (nfnl_subsys_nftables){+.+.}-{3:3}, at: nfnl_lock net/netfilter/nfnetlink.c:93 [inline]
#0: ffffffff917b3a58 (nfnl_subsys_nftables){+.+.}-{3:3}, at: nfnetlink_rcv_batch net/netfilter/nfnetlink.c:387 [inline]
#0: ffffffff917b3a58 (nfnl_subsys_nftables){+.+.}-{3:3}, at: nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline]
#0: ffffffff917b3a58 (nfnl_subsys_nftables){+.+.}-{3:3}, at: nfnetlink_rcv+0x6a6/0x25f0 net/netfilter/nfnetlink.c:652
#1: ffff8880642e1cb8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x27/0xa0 net/netfilter/nf_tables_api.c:9935
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.155-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+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14478 Comm: syz-executor.4 Not tainted 5.15.155-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__lock_acquire+0x1a8/0x1ff0
Code: f0 0a 00 00 83 fd 30 0f 87 88 1b 00 00 48 8d 44 ad 00 48 8d 5c c3 f8 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 8b 16 00 00 <48> 89 e8 48 83 bc 24 c0 00 00 00 00 0f 84 f4 00 00 00 8b 2b 89 e9
RSP: 0018:ffffc900031c7500 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880511e8b38 RCX: ffffffff913edf03
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8c91fae0
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880511e8000 R14: 0000000000000002 R15: 0000000000000000
FS: 00007f835852b6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33621000 CR3: 0000000014bf4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312
rcu_read_lock include/linux/rcupdate.h:739 [inline]
mapping_get_entry mm/filemap.c:1823 [inline]
pagecache_get_page+0x15f/0x1010 mm/filemap.c:1894
shmem_getpage_gfp+0x36c/0x3190 mm/shmem.c:1841
shmem_getpage mm/shmem.c:151 [inline]
shmem_write_begin+0xce/0x1a0 mm/shmem.c:2477
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
__generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3912
generic_file_write_iter+0xa7/0x1b0 mm/filemap.c:3944
call_write_iter include/linux/fs.h:2172 [inline]
new_sync_write fs/read_write.c:507 [inline]
vfs_write+0xacf/0xe50 fs/read_write.c:594
ksys_write+0x1a2/0x2c0 fs/read_write.c:647
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8359fb7bef
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 80 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c 81 02 00 48
RSP: 002b:00007f835852ae80 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000013bd7ef RCX: 00007f8359fb7bef
RDX: 00000000013bd7ef RSI: 00007f835010b000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000005551
R10: 0000000020005a02 R11: 0000000000000293 R12: 0000000000000003
R13: 00007f835852af80 R14: 00007f835852af40 R15: 00007f835010b000