INFO: task jbd2/sda1-8:2939 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:23704 pid: 2939 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_buffer include/linux/buffer_head.h:392 [inline]
jbd2_journal_commit_transaction+0x342d/0x5930 fs/jbd2/commit.c:849
kjournald2+0x4c4/0x950 fs/jbd2/journal.c:210
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.2:4652 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:22296 pid: 4652 ppid: 4637 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2b1e6af3b7
RSP: 002b:00007ffd821adbe8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555557508810 RCX: 00007f2b1e6af3b7
RDX: 0000000000008000 RSI: 0000555557508840 RDI: 0000000000000003
RBP: 0000555557508840 R08: 0000000000000030 R09: 00007f2b1e784640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000555557508814 R14: 0000000000000016 R15: 00007ffd821aede0
INFO: task syz-executor.0:4655 blocked for more than 144 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21168 pid: 4655 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f63664af3b7
RSP: 002b:00007fffe01e4e58 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555555a7e810 RCX: 00007f63664af3b7
RDX: 0000000000008000 RSI: 0000555555a7e840 RDI: 0000000000000003
RBP: 0000555555a7e840 R08: 0000000000000030 R09: 00007f6366584640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000555555a7e814 R14: 0000000000000016 R15: 00007fffe01e6050
INFO: task syz-executor.5:4656 blocked for more than 144 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22112 pid: 4656 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f83d3eaf3b7
RSP: 002b:00007ffef0f43818 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555555b4f810 RCX: 00007f83d3eaf3b7
RDX: 0000000000008000 RSI: 0000555555b4f840 RDI: 0000000000000003
RBP: 0000555555b4f840 R08: 0000000000000030 R09: 00007f83d3f84640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000555555b4f814 R14: 0000000000000016 R15: 00007ffef0f44a10
INFO: task syz-executor.4:4752 blocked for more than 144 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22200 pid: 4752 ppid: 4743 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcfc42af3b7
RSP: 002b:00007fff628aa088 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00005555555b5810 RCX: 00007fcfc42af3b7
RDX: 0000000000008000 RSI: 00005555555b5840 RDI: 0000000000000003
RBP: 00005555555b5840 R08: 0000000000000030 R09: 00007fcfc4384640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 00005555555b5814 R14: 0000000000000016 R15: 00007fff628ab280
INFO: task syz-executor.1:4977 blocked for more than 145 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:22008 pid: 4977 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff1b2caf3b7
RSP: 002b:00007ffe2a3b1448 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555557140810 RCX: 00007ff1b2caf3b7
RDX: 0000000000008000 RSI: 0000555557140840 RDI: 0000000000000003
RBP: 0000555557140840 R08: 0000000000000030 R09: 00007ff1b2d84640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000555557140814 R14: 0000000000000016 R15: 00007ffe2a3b2640
INFO: task syz-executor.3:7768 blocked for more than 145 seconds.
Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:22336 pid: 7768 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
io_schedule+0x83/0x100 kernel/sched/core.c:8714
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb5/0x170 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x10e/0xbd0 fs/jbd2/transaction.c:1107
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1242
__ext4_journal_get_write_access+0x256/0x6a0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5763
__ext4_mark_inode_dirty+0x139/0x6a0 fs/ext4/inode.c:5929
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5966
__mark_inode_dirty+0xb6/0x5e0 fs/fs-writeback.c:2381
generic_update_time fs/inode.c:1860 [inline]
inode_update_time fs/inode.c:1873 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1945
file_accessed include/linux/fs.h:2516 [inline]
iterate_dir+0x514/0x5f0 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f24a34af3b7
RSP: 002b:00007ffe66d8c158 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555555a17810 RCX: 00007f24a34af3b7
RDX: 0000000000008000 RSI: 0000555555a17840 RDI: 0000000000000003
RBP: 0000555555a17840 R08: 0000000000000030 R09: 00007f24a3584640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000555555a17814 R14: 0000000000000016 R15: 00007ffe66d8d350
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cd20a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8cd21270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/29:
#0: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3287:
#0: ffff88814a756098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
3 locks held by syz-executor.2/4652:
#0: ffff88804d45a218 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
3 locks held by syz-executor.0/4655:
#0: ffff8880574fa218 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
3 locks held by syz-executor.5/4656:
#0: ffff88804d45b628 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
3 locks held by syz-executor.4/4752:
#0: ffff88807f19f258 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
3 locks held by syz-executor.1/4977:
#0: ffff8880574fe850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
3 locks held by syz-executor.3/7768:
#0: ffff88807f175440 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x121/0x5f0 fs/readdir.c:55
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88814aefc460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x514/0x5f0 fs/readdir.c:70
#2: ffff88814af08990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13e9/0x1660 fs/jbd2/transaction.c:461
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x47c/0x4b0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:369
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: 92 Comm: kworker/u4:4 Not tainted 6.0.0-rc7-syzkaller-00081-gc3e0e1e23c70 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:insn_get_immediate+0x2f/0x12e0 arch/x86/lib/insn.c:628
Code: 41 55 41 54 53 48 83 ec 38 49 89 fd 49 bc 00 00 00 00 00 fc ff df e8 50 9b 1b fd 4d 8d 7d 3c 4d 89 fe 49 c1 ee 03 43 8a 04 26 <84> c0 0f 85 72 0c 00 00 41 0f b6 1f 31 ed 31 ff 89 de e8 0a 9e 1b
RSP: 0018:ffffc900015f7860 EFLAGS: 00000a07
RAX: ffffffff846dfb00 RBX: ffffc900015f79c8 RCX: ffff888019053b00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900015f7960
RBP: ffffc900015f79c8 R08: ffffffff846e1e6a R09: ffffc900015f7960
R10: fffff520002bef37 R11: 1ffff920002bef2c R12: dffffc0000000000
R13: ffffc900015f7960 R14: 1ffff920002bef33 R15: ffffc900015f799c
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056351e627b58 CR3: 000000000ca8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
insn_get_length arch/x86/lib/insn.c:707 [inline]
insn_decode+0x378/0x510 arch/x86/lib/insn.c:747
arch_jump_entry_size arch/x86/kernel/jump_label.c:24 [inline]
__jump_label_patch+0xe2/0x430 arch/x86/kernel/jump_label.c:45
arch_jump_label_transform_queue+0x49/0xd0 arch/x86/kernel/jump_label.c:137
__jump_label_update+0x19b/0x3b0 kernel/jump_label.c:447
static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:207
static_key_disable+0x16/0x20 kernel/jump_label.c:215
toggle_allocation_gate+0x3d8/0x470 mm/kfence/core.c:825
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306