bisecting fixing commit since 1d67c8d993baf8ab6be8a2154b1a94ec1311c869
building syzkaller on f115ae985a399ddce060f448097b8068450a8f48
testing commit 1d67c8d993baf8ab6be8a2154b1a94ec1311c869
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9f1e9276e7f0b496472355ea540b0ce12b53571d2ad4da8708c3118a771c7a81
run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #1: crashed: INFO: task hung in sys_io_destroy
run #2: crashed: INFO: task hung in sys_io_destroy
run #3: crashed: INFO: task hung in sys_io_destroy
run #4: crashed: INFO: task hung in sys_io_destroy
run #5: crashed: INFO: task hung in sys_io_destroy
run #6: crashed: INFO: task hung in sys_io_destroy
run #7: crashed: INFO: task hung in sys_io_destroy
run #8: crashed: INFO: task hung in sys_io_destroy
run #9: crashed: INFO: task hung in sys_io_destroy
run #10: crashed: INFO: task hung in sys_io_destroy
run #11: crashed: INFO: task hung in sys_io_destroy
run #12: crashed: INFO: task hung in sys_io_destroy
run #13: crashed: INFO: task hung in sys_io_destroy
run #14: crashed: INFO: task hung in sys_io_destroy
run #15: crashed: INFO: task hung in sys_io_destroy
run #16: crashed: INFO: task hung in sys_io_destroy
run #17: crashed: INFO: task hung in sys_io_destroy
run #18: crashed: INFO: task hung in sys_io_destroy
run #19: crashed: INFO: task hung in sys_io_destroy
testing current HEAD a2c29ccd9477861b16ddc02c411a6c9665250558
testing commit a2c29ccd9477861b16ddc02c411a6c9665250558
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0b5a5c1c1aae1f6d5229717cd12dcdd5640044a7c16438ad2dec74b61438e076
all runs: crashed: INFO: task hung in sys_io_destroy
revisions tested: 2, total time: 23m43.676793584s (build: 11m55.20590752s, test: 11m10.177749634s)
the crash still happens on HEAD
commit msg: Merge tag 'devicetree-fixes-for-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
crash: INFO: task hung in sys_io_destroy
INFO: task syz-executor.0:4048 blocked for more than 143 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29768 pid: 4048 ppid: 4047 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007ff73bb10188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ff73baef000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff71ca4b4f R14: 00007ff73bb10300 R15: 0000000000022000
INFO: task syz-executor.1:4086 blocked for more than 143 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29768 pid: 4086 ppid: 4083 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007fef134eb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fef134ca000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffdf187b5ff R14: 00007fef134eb300 R15: 0000000000022000
INFO: task syz-executor.3:4108 blocked for more than 143 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28920 pid: 4108 ppid: 4107 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007fc1a32f4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fc1a32d3000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff10fef5ff R14: 00007fc1a32f4300 R15: 0000000000022000
INFO: task syz-executor.1:4136 blocked for more than 144 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29256 pid: 4136 ppid: 4135 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007fef134eb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fef134ca000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffdf187b5ff R14: 00007fef134eb300 R15: 0000000000022000
INFO: task syz-executor.5:4180 blocked for more than 144 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29768 pid: 4180 ppid: 4179 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007f032d31b188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f032d2fa000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff3612208f R14: 00007f032d31b300 R15: 0000000000022000
INFO: task syz-executor.5:4236 blocked for more than 144 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29504 pid: 4236 ppid: 4235 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007f032d31b188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f032d2fa000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff3612208f R14: 00007f032d31b300 R15: 0000000000022000
INFO: task syz-executor.4:4246 blocked for more than 144 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29680 pid: 4246 ppid: 4245 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007f9c437d4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f9c437b3000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe1400e7cf R14: 00007f9c437d4300 R15: 0000000000022000
INFO: task syz-executor.5:4321 blocked for more than 145 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29768 pid: 4321 ppid: 4319 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007f032d31b188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f032d2fa000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff3612208f R14: 00007f032d31b300 R15: 0000000000022000
INFO: task syz-executor.1:4325 blocked for more than 145 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29768 pid: 4325 ppid: 4324 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007fef134eb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fef134ca000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffdf187b5ff R14: 00007fef134eb300 R15: 0000000000022000
INFO: task syz-executor.4:4333 blocked for more than 145 seconds.
Not tainted 5.18.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29768 pid: 4333 ppid: 4332 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0x913/0x26a0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x373/0x530 kernel/sched/completion.c:106
__do_sys_io_destroy fs/aio.c:1429 [inline]
__se_sys_io_destroy fs/aio.c:1407 [inline]
__x64_sys_io_destroy+0x15a/0x1b0 fs/aio.c:1407
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
RSP: 002b:00007f9c437d4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cf
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f9c437b3000
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe1400e7cf R14: 00007f9c437d4300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by kworker/1:1/26:
1 lock held by khungtaskd/28:
#0: ffffffff8af76660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
2 locks held by kworker/u4:5/1048:
2 locks held by getty/3309:
#0: ffff88801c9ca098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002a732e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9d7/0xed0 drivers/tty/n_tty.c:2075
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc2-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+0x57/0x7d lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x140/0x170 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0x88c/0xbf0 kernel/hung_task.c:369
kthread+0x299/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15064 Comm: syz-executor.0 Not tainted 5.18.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:91 [inline]
RIP: 0010:lock_release+0x124/0x720 kernel/locking/lockdep.c:5654
Code: 85 e8 02 00 00 65 4c 8b 34 25 00 70 02 00 49 8d be 1c 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 69 05 00 00 45
RSP: 0018:ffffc90003517958 EFLAGS: 00000803
RAX: dffffc0000000000 RBX: ffffffff8cc7e60c RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff88eb91e0 RDI: ffff888077cdc39c
RBP: 1ffff920006a2f2d R08: 0000000000000000 R09: ffffffff8cc7b2d7
R10: 0000000000000001 R11: dffffc0000000000 R12: ffff8880b9e27888
R13: dffffc0000000000 R14: ffff888077cdb980 R15: ffff8880b9e278b0
FS: 000000000251a400(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef13cec9c8 CR3: 000000005dd9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
do_write_seqcount_end include/linux/seqlock.h:565 [inline]
psi_group_change+0x4e9/0xc70 kernel/sched/psi.c:751
psi_task_switch+0x3e7/0x4e0 kernel/sched/psi.c:889
psi_sched_switch kernel/sched/stats.h:194 [inline]
__schedule+0xa18/0x26a0 kernel/sched/core.c:6383
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x20d/0x5b0 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x1ac/0x3b0 kernel/time/hrtimer.c:2097
common_nsleep+0x74/0xb0 kernel/time/posix-timers.c:1227
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
__x64_sys_clock_nanosleep+0x256/0x3b0 kernel/time/posix-timers.c:1245
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x48a801
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007fff71ca4b60 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000056c044 RCX: 000000000048a801
RDX: 00007fff71ca4ba0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000056c038 R08: 0000000000000000 R09: 00007ff73baee700
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000034
R13: 00007fff71ca4cd0 R14: 000000000056bf80 R15: 0000000000000001
----------------
Code disassembly (best guess):
0: 85 e8 test %ebp,%eax
2: 02 00 add (%rax),%al
4: 00 65 4c add %ah,0x4c(%rbp)
7: 8b 34 25 00 70 02 00 mov 0x27000,%esi
e: 49 8d be 1c 0a 00 00 lea 0xa1c(%r14),%rdi
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
* 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction
2d: 83 e0 07 and $0x7,%eax
30: 83 c0 03 add $0x3,%eax
33: 38 d0 cmp %dl,%al
35: 7c 08 jl 0x3f
37: 84 d2 test %dl,%dl
39: 0f 85 69 05 00 00 jne 0x5a8
3f: 45 rex.RB