INFO: task syz-executor.3:16508 blocked for more than 143 seconds.
Not tainted 6.6.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24848 pid:16508 ppid:5069 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
inode_lock include/linux/fs.h:802 [inline]
f2fs_ioc_commit_atomic_write fs/f2fs/file.c:2172 [inline]
__f2fs_ioctl+0x35a0/0xb9b0 fs/f2fs/file.c:4224
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f76f3c7cae9
RSP: 002b:00007f76f4a8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f76f3d9bf80 RCX: 00007f76f3c7cae9
RDX: 0000000000000000 RSI: 000000000000f502 RDI: 0000000000000005
RBP: 00007f76f3cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f76f3d9bf80 R15: 00007ffc86dff078
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xdf5/0xe40 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5065 Comm: syz-executor.0 Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:191 [inline]
RIP: 0010:__rb_insert lib/rbtree.c:100 [inline]
RIP: 0010:rb_insert_color+0x676/0x680 lib/rbtree.c:436
Code: 00 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4c 8b 7c 24 08 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 da 99 24 f7 <49> c7 07 01 00 00 00 eb ce 90 f3 0f 1e fa 55 41 57 41 56 41 55 41
RSP: 0018:ffffc90003e17338 EFLAGS: 00000246
RAX: 1ffff11005cf4ecb RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888035951be8 RDI: ffff88802e7a7658
RBP: ffff88802e7a7658 R08: ffff88802e7a766f R09: 0000000000000000
R10: ffff88802e7a7660 R11: ffffed1005cf4ece R12: ffff888027d52980
R13: ffff888027d52798 R14: 0000000000000000 R15: ffff88802e7a7658
FS: 0000555556ec1480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556ed2978 CR3: 0000000043b61000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__es_insert_extent+0x111c/0x1760 fs/ext4/extents_status.c:822
ext4_es_insert_extent+0x4da/0x3060 fs/ext4/extents_status.c:888
ext4_ext_put_gap_in_cache fs/ext4/extents.c:2293 [inline]
ext4_ext_map_blocks+0x2718/0x7150 fs/ext4/extents.c:4190
ext4_map_blocks+0x405/0x1cb0 fs/ext4/inode.c:548
ext4_append+0x247/0x5c0 fs/ext4/namei.c:75
ext4_init_new_dir+0x33e/0xa20 fs/ext4/namei.c:2977
ext4_mkdir+0x4f6/0xce0 fs/ext4/namei.c:3023
vfs_mkdir+0x29d/0x450 fs/namei.c:4120
do_mkdirat+0x264/0x520 fs/namei.c:4143
__do_sys_mkdirat fs/namei.c:4158 [inline]
__se_sys_mkdirat fs/namei.c:4156 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4156
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcab467b5e7
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed0030778 EFLAGS: 00000206 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffed0030800 RCX: 00007fcab467b5e7
RDX: 00000000000001ff RSI: 00007ffed0030800 RDI: 00000000ffffff9c
RBP: 00007ffed00307dc R08: 0000000000000005 R09: 00007ffed0030515
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 00000000000bf146 R14: 00000000000bef58 R15: 0000000000000001