INFO: task segctord:8045 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:segctord state:D stack:29048 pid:8045 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8c9/0xd70 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
nilfs_transaction_lock+0x246/0x4b0 fs/nilfs2/segment.c:357
nilfs_segctor_thread_construct fs/nilfs2/segment.c:2486 [inline]
nilfs_segctor_thread+0x593/0x11c0 fs/nilfs2/segment.c:2570
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 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+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8043 Comm: syz-executor.2 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:206
Code: 00 00 00 00 66 90 53 48 89 fb e8 17 00 00 00 48 8b 3d 08 e2 85 0c 48 89 de 5b e9 67 23 53 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 00 6f 02 00 65 8b 15 14 9f 7a 7e f7 c2 00 01 ff 00
RSP: 0018:ffffc90005466e80 EFLAGS: 00000286
RAX: ffffffff8a2fed23 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88803c510000 RSI: ffff88803041cdc0 RDI: ffffc90005466f80
RBP: dffffc0000000000 R08: ffffffff8a2fe545 R09: fffffbfff1c1b5f6
R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: ffff88803041cdc2
R13: 1ffff110060839b8 R14: ffffc90005466f80 R15: ffff88803041cdc0
FS: 00007f0f15fd9700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0182230fa CR3: 000000001d9a7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
xas_descend+0x23/0x400 lib/xarray.c:202
xas_load+0xc7/0x150 lib/xarray.c:242
mapping_get_entry mm/filemap.c:1853 [inline]
__filemap_get_folio+0x1f6/0x1260 mm/filemap.c:1915
pagecache_get_page+0x28/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:613 [inline]
grab_cache_page include/linux/pagemap.h:743 [inline]
nilfs_grab_buffer+0xab/0x550 fs/nilfs2/page.c:57
nilfs_mdt_submit_block+0xca/0x520 fs/nilfs2/mdt.c:121
nilfs_mdt_read_block+0xa3/0x460 fs/nilfs2/mdt.c:176
nilfs_mdt_get_block+0x104/0x820 fs/nilfs2/mdt.c:251
nilfs_palloc_get_block+0x142/0x240 fs/nilfs2/alloc.c:216
nilfs_palloc_get_entry_block+0x1e8/0x2e0 fs/nilfs2/alloc.c:318
nilfs_dat_translate+0x8f/0x4d0 fs/nilfs2/dat.c:391
nilfs_bmap_lookup_at_level+0x1d8/0x350 fs/nilfs2/bmap.c:75
nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline]
nilfs_mdt_submit_block+0x23d/0x520 fs/nilfs2/mdt.c:142
nilfs_mdt_read_block+0xa3/0x460 fs/nilfs2/mdt.c:176
nilfs_mdt_get_block+0x104/0x820 fs/nilfs2/mdt.c:251
nilfs_palloc_get_block+0x142/0x240 fs/nilfs2/alloc.c:216
nilfs_palloc_get_entry_block+0x1e8/0x2e0 fs/nilfs2/alloc.c:318
nilfs_ifile_create_inode+0x12d/0x2f0 fs/nilfs2/ifile.c:66
nilfs_new_inode+0x1f7/0xa70 fs/nilfs2/inode.c:347
nilfs_mknod+0xf3/0x280 fs/nilfs2/namei.c:113
vfs_mknod+0x480/0x510 fs/namei.c:3914
do_mknodat+0x3af/0x6b0
__do_sys_mknodat fs/namei.c:3992 [inline]
__se_sys_mknodat fs/namei.c:3989 [inline]
__x64_sys_mknodat+0xa5/0xc0 fs/namei.c:3989
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0f1528b5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0f15fd9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f0f153abf80 RCX: 00007f0f1528b5a9
RDX: 0000000000006000 RSI: 0000000020006480 RDI: 0000000000000003
RBP: 00007f0f152e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000705 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd92b75a3f R14: 00007f0f15fd9300 R15: 0000000000022000