INFO: task jbd2/sda1-8:2938 blocked for more than 143 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26624 pid: 2938 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
io_schedule+0xee/0x170 kernel/sched/core.c:8414
bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x60/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xd5/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
__wait_on_buffer+0x7a/0x90 fs/buffer.c:122
wait_on_buffer include/linux/buffer_head.h:356 [inline]
journal_wait_on_commit_record fs/jbd2/commit.c:175 [inline]
jbd2_journal_commit_transaction+0x4e77/0x6d00 fs/jbd2/commit.c:931
kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor.2:3648 blocked for more than 143 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23008 pid: 3648 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5923
__mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2409
generic_update_time fs/inode.c:1856 [inline]
inode_update_time fs/inode.c:1869 [inline]
touch_atime+0x63d/0x700 fs/inode.c:1941
file_accessed include/linux/fs.h:2426 [inline]
iterate_dir+0x462/0x700 fs/readdir.c:79
vfs_getdents+0xd3/0x1d0 fs/readdir.c:381
__do_sys_getdents64 fs/readdir.c:408 [inline]
__se_sys_getdents64 fs/readdir.c:398 [inline]
__x64_sys_getdents64+0xb6/0x140 fs/readdir.c:398
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f145798fca7
RSP: 002b:00007ffe9562d8d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00005555562a6810 RCX: 00007f145798fca7
RDX: 0000000000008000 RSI: 00005555562a6840 RDI: 0000000000000003
RBP: 00005555562a6840 R08: 0000000000000030 R09: 00007f1457a50640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc
R13: 00005555562a6814 R14: 0000000000000016 R15: 00007ffe9562ead0
INFO: task syz-executor.3:3649 blocked for more than 143 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:23608 pid: 3649 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_mkdir+0x33a/0xb20 fs/ext4/namei.c:2929
vfs_mkdir+0x1c3/0x3b0 fs/namei.c:3933
do_mkdirat+0x285/0x300 fs/namei.c:3959
__do_sys_mkdir fs/namei.c:3979 [inline]
__se_sys_mkdir fs/namei.c:3977 [inline]
__x64_sys_mkdir+0xf2/0x140 fs/namei.c:3977
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f85dbe64fa7
RSP: 002b:00007ffe47344ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffe47344f50 RCX: 00007f85dbe64fa7
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffe47344f50
RBP: 00007ffe47344f2c R08: 0000000000000002 R09: 0000000000000005
R10: 00007ffe47344c65 R11: 0000000000000202 R12: 0000000000000032
R13: 0000000000070b60 R14: 0000000000000003 R15: 00007ffe47344f90
INFO: task syz-executor.5:13841 can't die for more than 144 seconds.
task:syz-executor.5 state:D stack:26464 pid:13841 ppid: 3645 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712
jbd2_journal_flush+0x12b/0xc70 fs/jbd2/journal.c:2449
ext4_ioctl_checkpoint fs/ext4/ioctl.c:847 [inline]
__ext4_ioctl+0x8b2/0x4810 fs/ext4/ioctl.c:1267
ext4_ioctl+0x46/0x90 fs/ext4/ioctl.c:1279
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f77256e9e99
RSP: 002b:00007f772405f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f77257fcf60 RCX: 00007f77256e9e99
RDX: 0000000020000700 RSI: 000000004004662b RDI: 0000000000000004
RBP: 00007f7725743ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffffaab455f R14: 00007f772405f300 R15: 0000000000022000
INFO: task syz-executor.5:13841 blocked for more than 144 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26464 pid:13841 ppid: 3645 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712
jbd2_journal_flush+0x12b/0xc70 fs/jbd2/journal.c:2449
ext4_ioctl_checkpoint fs/ext4/ioctl.c:847 [inline]
__ext4_ioctl+0x8b2/0x4810 fs/ext4/ioctl.c:1267
ext4_ioctl+0x46/0x90 fs/ext4/ioctl.c:1279
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f77256e9e99
RSP: 002b:00007f772405f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f77257fcf60 RCX: 00007f77256e9e99
RDX: 0000000020000700 RSI: 000000004004662b RDI: 0000000000000004
RBP: 00007f7725743ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffffaab455f R14: 00007f772405f300 R15: 0000000000022000
INFO: task syz-executor.1:13843 can't die for more than 144 seconds.
task:syz-executor.1 state:D stack:28112 pid:13843 ppid: 3647 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca919a37a7
RSP: 002b:00007ffeb7b3c268 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca919a37a7
RDX: ffffffffffffffbc RSI: 00007fca919fe092 RDI: 00007fca919fd24a
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffeb7b3bce0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeb7b3c330
INFO: task syz-executor.1:13843 blocked for more than 144 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28112 pid:13843 ppid: 3647 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca919a37a7
RSP: 002b:00007ffeb7b3c268 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca919a37a7
RDX: ffffffffffffffbc RSI: 00007fca919fe092 RDI: 00007fca919fd24a
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffeb7b3bce0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeb7b3c330
INFO: task syz-executor.4:13849 can't die for more than 145 seconds.
task:syz-executor.4 state:D stack:29112 pid:13849 ppid: 3646 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4d6fe0f7a7
RSP: 002b:00007ffc80504ff8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d6fe0f7a7
RDX: 00007ffc805050d7 RSI: 00007f4d6fe6a09d RDI: 00007ffc805050c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc80504e90
R10: 00007ffc80504d47 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc805050c0
INFO: task syz-executor.4:13849 blocked for more than 145 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29112 pid:13849 ppid: 3646 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4d6fe0f7a7
RSP: 002b:00007ffc80504ff8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d6fe0f7a7
RDX: 00007ffc805050d7 RSI: 00007f4d6fe6a09d RDI: 00007ffc805050c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc80504e90
R10: 00007ffc80504d47 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc805050c0
INFO: task syz-executor.0:13855 can't die for more than 145 seconds.
task:syz-executor.0 state:D stack:29112 pid:13855 ppid: 3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8d226017a7
RSP: 002b:00007ffc1d560258 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d226017a7
RDX: 00007ffc1d560337 RSI: 00007f8d2265c09d RDI: 00007ffc1d560320
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1d5600f0
R10: 00007ffc1d55ffa7 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc1d560320
INFO: task syz-executor.0:13855 blocked for more than 145 seconds.
Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29112 pid:13855 ppid: 3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4e90 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
start_this_handle+0x5d4/0x1380 fs/jbd2/transaction.c:404
jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525
__ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105
__ext4_new_inode+0x2d9e/0x56f0 fs/ext4/ialloc.c:1080
ext4_symlink+0x485/0xd40 fs/ext4/namei.c:3293
vfs_symlink fs/namei.c:4299 [inline]
vfs_symlink+0x108/0x2c0 fs/namei.c:4284
do_symlinkat+0x261/0x2e0 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x75/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8d226017a7
RSP: 002b:00007ffc1d560258 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d226017a7
RDX: 00007ffc1d560337 RSI: 00007f8d2265c09d RDI: 00007ffc1d560320
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc1d5600f0
R10: 00007ffc1d55ffa7 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc1d560320
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb828e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3288:
#0: ffff888023944098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
2 locks held by syz-executor.2/3648:
#0: ffff88802d3e5da8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xd2/0x700 fs/readdir.c:61
#1: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2426 [inline]
#1: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x462/0x700 fs/readdir.c:79
2 locks held by syz-executor.3/3649:
#0: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff8880720abfc0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff8880720abfc0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3704
1 lock held by syz-executor.4/3902:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.4/3923:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.4/3949:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.1/3981:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.1/4024:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.5/4050:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.1/4078:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.4/4432:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.4/4460:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.4/4644:
#0: ffff88807f29a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
1 lock held by syz-executor.5/13841:
#0: ffff88807f29e170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x2f2/0x4e0 fs/jbd2/transaction.c:895
2 locks held by syz-executor.1/13843:
#0: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff88802d3e2bd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff88802d3e2bd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3704
2 locks held by syz-executor.4/13849:
#0: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff888072255da8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff888072255da8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3704
2 locks held by syz-executor.0/13855:
#0: ffff88807f29a460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff88802d3d83f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff88802d3d83f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3704
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:256 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:413
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6899 Comm: kworker/u4:7 Not tainted 5.16.0-rc6-next-20211224-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_preemption_disabled+0x1b/0x170 lib/smp_processor_id.c:16
Code: 0f 1f 44 00 00 0f 0b e9 23 ff ff ff cc cc cc 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 3d 73 ac 76 <65> 8b 1d 2e c9 ac 76 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00
RSP: 0018:ffffc9000ee0fa80 EFLAGS: 00000082
RAX: 0000000000000001 RBX: 1ffff92001dc1f58 RCX: 748540c5d75369cc
RDX: 1ffff11003acf14c RSI: ffffffff89ac0240 RDI: ffffffff8a05b1a0
RBP: ffffffff8a05b1a0 R08: 0000000000000000 R09: ffffffff8ffb5947
R10: fffffbfff1ff6b28 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff89ac0240 R14: ffffffff8bb828e0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2855619600 CR3: 000000007f4c3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_finish kernel/locking/lockdep.c:438 [inline]
lock_acquire kernel/locking/lockdep.c:5641 [inline]
lock_acquire+0x1bb/0x510 kernel/locking/lockdep.c:5604
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:755 [inline]
batadv_iv_ogm_schedule_buff+0x5d2/0x1430 net/batman-adv/bat_iv_ogm.c:826
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:869 [inline]
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:862 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0x740/0x910 net/batman-adv/bat_iv_ogm.c:1713
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
5: 0f 0b ud2
7: e9 23 ff ff ff jmpq 0xffffff2f
c: cc int3
d: cc int3
e: cc int3
f: 41 56 push %r14
11: 41 55 push %r13
13: 49 89 f5 mov %rsi,%r13
16: 41 54 push %r12
18: 55 push %rbp
19: 48 89 fd mov %rdi,%rbp
1c: 53 push %rbx
1d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
22: 65 44 8b 25 3d 73 ac mov %gs:0x76ac733d(%rip),%r12d # 0x76ac7367
29: 76
* 2a: 65 8b 1d 2e c9 ac 76 mov %gs:0x76acc92e(%rip),%ebx # 0x76acc95f <-- trapping instruction
31: 81 e3 ff ff ff 7f and $0x7fffffff,%ebx
37: 31 ff xor %edi,%edi
39: 89 de mov %ebx,%esi
3b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)