INFO: task jbd2/sda1-8:2927 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:27336 pid: 2927 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
io_schedule+0xba/0x130 kernel/sched/core.c:8418
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+0x4bef/0x6dd0 fs/jbd2/commit.c:918
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.1:3612 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22696 pid: 3612 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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:5899
__mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2370
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:2422 [inline]
iterate_dir+0x465/0x700 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354
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: 0033:0x7f633e295e67
RSP: 002b:00007ffe8b4d97b8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555578c810 RCX: 00007f633e295e67
RDX: 0000000000008000 RSI: 000055555578c840 RDI: 0000000000000003
RBP: 000055555578c840 R08: 0000000000000030 R09: 00007f633e357640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 000055555578c814 R14: 0000000000000016 R15: 00007ffe8b4da9b0
INFO: task syz-executor.2:3614 blocked for more than 143 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23864 pid: 3614 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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:5899
__mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2370
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:2422 [inline]
iterate_dir+0x465/0x700 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354
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: 0033:0x7f99429cee67
RSP: 002b:00007ffd6de75be8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00005555564f4810 RCX: 00007f99429cee67
RDX: 0000000000008000 RSI: 00005555564f4840 RDI: 0000000000000003
RBP: 00005555564f4840 R08: 0000000000000030 R09: 00007f9942a90640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 00005555564f4814 R14: 0000000000000016 R15: 00007ffd6de76de0
INFO: task syz-executor.4:3617 blocked for more than 144 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23864 pid: 3617 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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:5899
__mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2370
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:2422 [inline]
iterate_dir+0x465/0x700 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354
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: 0033:0x7f7352071e67
RSP: 002b:00007ffc9718f6f8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00005555561d2810 RCX: 00007f7352071e67
RDX: 0000000000008000 RSI: 00005555561d2840 RDI: 0000000000000003
RBP: 00005555561d2840 R08: 0000000000000030 R09: 00007f7352133640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 00005555561d2814 R14: 0000000000000016 R15: 00007ffc971908f0
INFO: task syz-executor.3:9927 can't die for more than 144 seconds.
task:syz-executor.3 state:D stack:27744 pid: 9927 ppid: 3616 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712
jbd2_journal_flush+0x12b/0xc70 fs/jbd2/journal.c:2455
__ext4_ioctl+0x46a0/0x5d10 fs/ext4/ioctl.c:1235
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: 0033:0x7f328b286059
RSP: 002b:00007f328a1fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f328b398f60 RCX: 00007f328b286059
RDX: 00000000200001c0 RSI: 0000000040086607 RDI: 0000000000000003
RBP: 00007f328b2e008d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe7876bff R14: 00007f328a1fb300 R15: 0000000000022000
INFO: task syz-executor.3:9927 blocked for more than 144 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27744 pid: 9927 ppid: 3616 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712
jbd2_journal_flush+0x12b/0xc70 fs/jbd2/journal.c:2455
__ext4_ioctl+0x46a0/0x5d10 fs/ext4/ioctl.c:1235
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: 0033:0x7f328b286059
RSP: 002b:00007f328a1fb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f328b398f60 RCX: 00007f328b286059
RDX: 00000000200001c0 RSI: 0000000040086607 RDI: 0000000000000003
RBP: 00007f328b2e008d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe7876bff R14: 00007f328a1fb300 R15: 0000000000022000
INFO: task syz-executor.0:9928 can't die for more than 145 seconds.
task:syz-executor.0 state:D stack:29176 pid: 9928 ppid: 3613 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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: 0033:0x7ff38f016967
RSP: 002b:00007ffc8de7d4f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff38f016967
RDX: 00007ffc8de7d5d7 RSI: 00007ff38f071139 RDI: 00007ffc8de7d5c0
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007ffc8de7d390
R10: 00007ffc8de7d247 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc8de7d5c0
INFO: task syz-executor.0:9928 blocked for more than 145 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29176 pid: 9928 ppid: 3613 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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: 0033:0x7ff38f016967
RSP: 002b:00007ffc8de7d4f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff38f016967
RDX: 00007ffc8de7d5d7 RSI: 00007ff38f071139 RDI: 00007ffc8de7d5c0
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007ffc8de7d390
R10: 00007ffc8de7d247 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc8de7d5c0
INFO: task syz-executor.5:9929 can't die for more than 145 seconds.
task:syz-executor.5 state:D stack:29176 pid: 9929 ppid: 3615 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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: 0033:0x7f25c72e1967
RSP: 002b:00007fff368ceb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25c72e1967
RDX: 00007fff368cec37 RSI: 00007f25c733c139 RDI: 00007fff368cec20
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007fff368ce9f0
R10: 00007fff368ce8a7 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff368cec20
INFO: task syz-executor.5:9929 blocked for more than 145 seconds.
Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29176 pid: 9929 ppid: 3615 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5000 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6309
schedule+0xd2/0x1f0 kernel/sched/core.c:6381
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: 0033:0x7f25c72e1967
RSP: 002b:00007fff368ceb58 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25c72e1967
RDX: 00007fff368cec37 RSI: 00007f25c733c139 RDI: 00007fff368cec20
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007fff368ce9f0
R10: 00007fff368ce8a7 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff368cec20
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8bb83a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6463
2 locks held by getty/3281:
#0: ffff88814a572098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
2 locks held by syz-executor.1/3612:
#0: ffff888045083fc0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2422 [inline]
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x465/0x700 fs/readdir.c:70
2 locks held by syz-executor.2/3614:
#0: ffff888071b6abd0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2422 [inline]
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x465/0x700 fs/readdir.c:70
2 locks held by syz-executor.4/3617:
#0: ffff888045085da8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2422 [inline]
#1: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x465/0x700 fs/readdir.c:70
2 locks held by syz-executor.3/9927:
#0: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: __ext4_ioctl+0x2728/0x5d10 fs/ext4/ioctl.c:1228
#1: ffff88807ec54170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x199/0x350 fs/jbd2/transaction.c:906
2 locks held by syz-executor.0/9928:
#0: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff888045080de8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff888045080de8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x158/0x480 fs/namei.c:3704
2 locks held by syz-executor.5/9929:
#0: ffff88807ec50460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0xf3/0x480 fs/namei.c:3699
#1: ffff8880486a35c8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff8880486a35c8 (&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: 26 Comm: khungtaskd Not tainted 5.17.0-rc2-next-20220204-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+0x1e6/0x230 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: 10 Comm: kworker/u4:1 Not tainted 5.17.0-rc2-next-20220204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lock_acquire+0xa/0x510 kernel/locking/lockdep.c:5607
Code: 66 00 e9 b7 fe ff ff 48 c7 c7 c8 d8 94 8d e8 3d c1 66 00 e9 fb fe ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df <41> 57 41 89 f7 41 56 49 89 fe 41 55 41 89 d5 41 54 41 89 cc 55 44
RSP: 0018:ffffc90000cf7c78 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff888077c9c5e0 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8bb83a60
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff88f322f1 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: 00000000000000bc
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00b220000 CR3: 000000000b88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess), 2 bytes skipped:
0: e9 b7 fe ff ff jmpq 0xfffffebc
5: 48 c7 c7 c8 d8 94 8d mov $0xffffffff8d94d8c8,%rdi
c: e8 3d c1 66 00 callq 0x66c14e
11: e9 fb fe ff ff jmpq 0xffffff11
16: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1)
1d: 00
1e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
25: fc ff df
* 28: 41 57 push %r15 <-- trapping instruction
2a: 41 89 f7 mov %esi,%r15d
2d: 41 56 push %r14
2f: 49 89 fe mov %rdi,%r14
32: 41 55 push %r13
34: 41 89 d5 mov %edx,%r13d
37: 41 54 push %r12
39: 41 89 cc mov %ecx,%r12d
3c: 55 push %rbp
3d: 44 rex.R