syzbot

INFO: task syz.0.16:4423 blocked for more than 143 seconds.
      Not tainted 5.15.189-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.16        state:D stack:27232 pid: 4423 ppid:  4310 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8484
 __lock_metapage+0x1a9/0x380 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 ea_write+0x5df/0xdd0 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7cf/0x1000 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xd7/0x160 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x2da/0x300 fs/xattr.c:611
 path_setxattr+0x142/0x280 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+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fed3e6799a9
RSP: 002b:00007fed3d8c8038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fed3e8a1080 RCX: 00007fed3e6799a9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000040
RBP: 00007fed3e6fbd69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fed3e8a1080 R15: 00007ffd1e858678
 </TASK>
INFO: task syz.2.18:4425 blocked for more than 144 seconds.
      Not tainted 5.15.189-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18        state:D stack:27744 pid: 4425 ppid:  4317 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8484
 __lock_metapage+0x1a9/0x380 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 ea_write+0x5df/0xdd0 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7cf/0x1000 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xd7/0x160 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x2da/0x300 fs/xattr.c:611
 path_setxattr+0x142/0x280 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+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f10917e29a9
RSP: 002b:00007f1090a31038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f1091a0a080 RCX: 00007f10917e29a9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000040
RBP: 00007f1091864d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1091a0a080 R15: 00007ffec1bd3238
 </TASK>
INFO: task syz.4.20:4426 blocked for more than 146 seconds.
      Not tainted 5.15.189-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.20        state:D stack:27328 pid: 4426 ppid:  4318 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8484
 __lock_metapage+0x1a9/0x380 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 ea_write+0x5df/0xdd0 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7cf/0x1000 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xd7/0x160 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x2da/0x300 fs/xattr.c:611
 path_setxattr+0x142/0x280 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+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd0c5eab9a9
RSP: 002b:00007fd0c50fa038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fd0c60d3080 RCX: 00007fd0c5eab9a9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000040
RBP: 00007fd0c5f2dd69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd0c60d3080 R15: 00007ffe9cd04028
 </TASK>
INFO: task syz.1.17:4435 blocked for more than 147 seconds.
      Not tainted 5.15.189-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.17        state:D stack:27744 pid: 4435 ppid:  4315 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8484
 __lock_metapage+0x1a9/0x380 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 ea_write+0x5df/0xdd0 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7cf/0x1000 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xd7/0x160 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x2da/0x300 fs/xattr.c:611
 path_setxattr+0x142/0x280 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+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f54d58f69a9
RSP: 002b:00007f54d4b45038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f54d5b1e080 RCX: 00007f54d58f69a9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000040
RBP: 00007f54d5978d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f54d5b1e080 R15: 00007fff92c23728
 </TASK>
INFO: task syz.3.22:4434 blocked for more than 149 seconds.
      Not tainted 5.15.189-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.22        state:D stack:27744 pid: 4434 ppid:  4320 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8484
 __lock_metapage+0x1a9/0x380 fs/jfs/jfs_metapage.c:49
 lock_metapage fs/jfs/jfs_metapage.c:63 [inline]
 __get_metapage+0x43e/0x1060 fs/jfs/jfs_metapage.c:640
 ea_write+0x5df/0xdd0 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7cf/0x1000 fs/jfs/xattr.c:792
 __jfs_xattr_set+0xd7/0x160 fs/jfs/xattr.c:941
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x2da/0x300 fs/xattr.c:611
 path_setxattr+0x142/0x280 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+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa618e609a9
RSP: 002b:00007fa6180af038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007fa619088080 RCX: 00007fa618e609a9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000040
RBP: 00007fa618ee2d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa619088080 R15: 00007ffcb4a89948
 </TASK>

Showing all locks held in the system:
4 locks held by kworker/u4:0/9:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90000ce7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff888070f6c0e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff8880575b81c8 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
1 lock held by khungtaskd/27:
 #0: ffffffff8c11c360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
4 locks held by kworker/u4:1/144:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc900016efd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88807e3700e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff88805743de48 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
4 locks held by kworker/u4:2/154:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90001fe7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88802b76e0e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff88805743b008 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
4 locks held by kworker/u4:3/155:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90001ff7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88802016a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff88805759de48 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
4 locks held by kworker/u4:4/1276:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90005167d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88807f2640e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff88805759b008 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
4 locks held by kworker/u4:5/3084:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc9000d14fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88804c4de0e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff888057bf6788 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
2 locks held by getty/3953:
 #0: ffff88814ca8c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 drivers/tty/n_tty.c:2158
2 locks held by kworker/1:15/4307:
 #0: ffff888016872138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc900030efd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
4 locks held by kworker/u4:7/4386:
 #0: ffff888141d88938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc9000354fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: ffff88802bb200e0 (&type->s_umount_key#54){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: ffff8880575b9448 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520 fs/jfs/inode.c:102
4 locks held by syz.0.16/4423:
 #0: ffff88802b76e460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:377
 #1: ffff88805743b3c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #1: ffff88805743b3c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0x141/0x2f0 fs/xattr.c:302
 #2: ffff88805743b008 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: __jfs_xattr_set+0xb6/0x160 fs/jfs/xattr.c:940
 #3: ffff88805743b0a0 (&jfs_ip->xattr_sem){+.+.}-{3:3}, at: __jfs_setxattr+0xe1/0x1000 fs/jfs/xattr.c:678
4 locks held by syz.2.18/4425:
 #0: ffff88807f264460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:377
 #1: ffff88805759b3c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #1: ffff88805759b3c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0x141/0x2f0 fs/xattr.c:302
 #2: ffff88805759b008 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: __jfs_xattr_set+0xb6/0x160 fs/jfs/xattr.c:940