INFO: task syz-executor.5:25888 blocked for more than 143 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28488 pid:25888 ppid: 3638 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
exit_mm kernel/exit.c:483 [inline]
do_exit+0x91f/0x2b10 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd618c0a059
RSP: 002b:00007fd61755e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fd618d1d030 RCX: 00007fd618c0a059
RDX: 0000000000000005 RSI: 0000000000002405 RDI: 0000000000000004
RBP: 00007fd618c6408d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd61755e300 R15: 0000000000022000
INFO: task syz-executor.5:25889 can't die for more than 143 seconds.
task:syz-executor.5 state:R running task stack:28616 pid:25889 ppid: 3638 flags:0x00004006
Call Trace:
INFO: task syz-executor.5:25890 blocked for more than 143 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29144 pid:25890 ppid: 3638 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
exit_mm kernel/exit.c:483 [inline]
do_exit+0x91f/0x2b10 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd618c0a059
RSP: 002b:00007fd61751c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd618d1d1d8 RCX: 00007fd618c0a059
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd618d1d1d8
RBP: 00007fd618d1d1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd618d1d1dc
R13: 00007fffa4ffd1df R14: 00007fd61751c300 R15: 0000000000022000
INFO: task syz-executor.5:25891 blocked for more than 144 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28952 pid:25891 ppid: 3638 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
exit_mm kernel/exit.c:483 [inline]
do_exit+0x91f/0x2b10 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd618c0a059
RSP: 002b:00007fd6174fb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd618d1d2a8 RCX: 00007fd618c0a059
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd618d1d2a8
RBP: 00007fd618d1d2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd618d1d2ac
R13: 00007fffa4ffd1df R14: 00007fd6174fb300 R15: 0000000000022000
INFO: task syz-executor.5:25895 can't die for more than 144 seconds.
task:syz-executor.5 state:D stack:29208 pid:25895 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f75fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff88809169d7c0 RSI: ffffffff8411957e RDI: 00007fd6174b8fc0
RBP: 00007fd6174b8fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88809169f080
R13: 00007fd6174b9104 R14: 00007fd6174b9100 R15: 00007fd6174b8dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd6174b9190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd618c717fb
RDX: 000000000008a9a6 RSI: 0000000000000000 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd6174b9300 R15: 0000000000022000
INFO: task syz-executor.5:25895 blocked for more than 145 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29208 pid:25895 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f75fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff88809169d7c0 RSI: ffffffff8411957e RDI: 00007fd6174b8fc0
RBP: 00007fd6174b8fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88809169f080
R13: 00007fd6174b9104 R14: 00007fd6174b9100 R15: 00007fd6174b8dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd6174b9190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd618c717fb
RDX: 000000000008a9a6 RSI: 0000000000000000 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd6174b9300 R15: 0000000000022000
INFO: task syz-executor.5:25896 can't die for more than 145 seconds.
task:syz-executor.5 state:D stack:29208 pid:25896 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f76fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff888078fbd7c0 RSI: ffffffff8411957e RDI: 00007fd617497fc0
RBP: 00007fd617497fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078fbf080
R13: 00007fd617498104 R14: 00007fd617498100 R15: 00007fd617497dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617498190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd618c718ab
RDX: 000000000008a9a6 RSI: 0000000000000010 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617498300 R15: 0000000000022000
INFO: task syz-executor.5:25896 blocked for more than 146 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29208 pid:25896 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f76fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff888078fbd7c0 RSI: ffffffff8411957e RDI: 00007fd617497fc0
RBP: 00007fd617497fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078fbf080
R13: 00007fd617498104 R14: 00007fd617498100 R15: 00007fd617497dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617498190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fd618c718ab
RDX: 000000000008a9a6 RSI: 0000000000000010 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617498300 R15: 0000000000022000
INFO: task syz-executor.5:25897 can't die for more than 146 seconds.
task:syz-executor.5 state:D stack:29208 pid:25897 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f78fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff888078fbba80 RSI: ffffffff8411957e RDI: 00007fd617476fc0
RBP: 00007fd617476fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078fbd340
R13: 00007fd617477104 R14: 00007fd617477100 R15: 00007fd617476dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617477190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd618c6d9a8
RDX: 000000000008a9a6 RSI: 6210c833c9500646 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617477300 R15: 0000000000022000
INFO: task syz-executor.5:25897 blocked for more than 146 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29208 pid:25897 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f78fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff888078fbba80 RSI: ffffffff8411957e RDI: 00007fd617476fc0
RBP: 00007fd617476fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078fbd340
R13: 00007fd617477104 R14: 00007fd617477100 R15: 00007fd617476dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617477190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd618c6d9a8
RDX: 000000000008a9a6 RSI: 6210c833c9500646 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617477300 R15: 0000000000022000
INFO: task syz-executor.5:25899 can't die for more than 147 seconds.
task:syz-executor.5 state:D stack:29208 pid:25899 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f79fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff88807d570000 RSI: ffffffff8411957e RDI: 00007fd617455fc0
RBP: 00007fd617455fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807d5718c0
R13: 00007fd617456104 R14: 00007fd617456100 R15: 00007fd617455dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617456190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fd618c66035
RDX: 000000000008a9a6 RSI: 0000000020001d40 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617456300 R15: 0000000000022000
INFO: task syz-executor.5:25899 blocked for more than 147 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29208 pid:25899 ppid: 3638 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0010:__clear_user+0x40/0x70 arch/x86/lib/usercopy_64.c:24
Code: 06 0a 8a e8 52 d6 9d fd 0f 01 cb 48 89 d8 48 c1 eb 03 48 89 ef 83 e0 07 48 89 d9 48 85 c9 74 19 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a
RSP: 0018:ffffc9000f79fba0 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: ffff88807d570000 RSI: ffffffff8411957e RDI: 00007fd617455fc0
RBP: 00007fd617455fc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807d5718c0
R13: 00007fd617456104 R14: 00007fd617456100 R15: 00007fd617455dc0
copy_fpstate_to_sigframe+0x193/0xb70 arch/x86/kernel/fpu/signal.c:216
get_sigframe.constprop.0.isra.0+0x433/0x5e0 arch/x86/kernel/signal.c:296
__setup_rt_frame arch/x86/kernel/signal.c:471 [inline]
setup_rt_frame arch/x86/kernel/signal.c:781 [inline]
handle_signal arch/x86/kernel/signal.c:825 [inline]
arch_do_signal_or_restart+0xd8e/0x1c40 arch/x86/kernel/signal.c:870
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fd618bb0f74
RSP: 002b:00007fd617456190 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fd618c66035
RDX: 000000000008a9a6 RSI: 0000000020001d40 RDI: 00007fd618c62fad
RBP: 00007fd618c6408d R08: 0000000000000348 R09: 00007fffa50f9080
R10: 00007fffa50f9090 R11: 0000000000027d6e R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd617456300 R15: 0000000000022000
INFO: task syz-executor.5:25901 blocked for more than 148 seconds.
Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:29528 pid:25901 ppid: 3638 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4db0 kernel/sched/core.c:6295
schedule+0xd2/0x260 kernel/sched/core.c:6368
rwsem_down_read_slowpath+0x589/0xa70 kernel/locking/rwsem.c:1032
__down_read_common kernel/locking/rwsem.c:1214 [inline]
__down_read kernel/locking/rwsem.c:1223 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1463
mmap_read_lock include/linux/mmap_lock.h:117 [inline]
exit_mm kernel/exit.c:483 [inline]
do_exit+0x91f/0x2b10 kernel/exit.c:793
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:288
RIP: 0033:0x7fd618c0b481
RSP: 002b:00007fd6174142f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007fd617414700 RCX: 00007fd618c0b481
RDX: 00007fd6174149d0 RSI: 00007fd6174142f0 RDI: 00000000003d0f00
RBP: 00007fffa4ffd370 R08: 00007fd617414700 R09: 00007fd617414700
R10: 00007fd6174149d0 R11: 0000000000000206 R12: 00007fffa4ffd1de
R13: 00007fffa4ffd1df R14: 00007fd617414300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8bb83ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3283:
#0: ffff88802375f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
1 lock held by syz-executor.5/25888:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:483 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x91f/0x2b10 kernel/exit.c:793
1 lock held by syz-executor.5/25889:
1 lock held by syz-executor.5/25890:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:483 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x91f/0x2b10 kernel/exit.c:793
1 lock held by syz-executor.5/25891:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:483 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x91f/0x2b10 kernel/exit.c:793
1 lock held by syz-executor.5/25895:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
1 lock held by syz-executor.5/25896:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
1 lock held by syz-executor.5/25897:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
1 lock held by syz-executor.5/25899:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x9d6/0x11c0 arch/x86/mm/fault.c:1348
1 lock held by syz-executor.5/25901:
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: exit_mm kernel/exit.c:483 [inline]
#0: ffff88801e4ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: do_exit+0x91f/0x2b10 kernel/exit.c:793
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc1-next-20220124-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: 25889 Comm: syz-executor.5 Not tainted 5.17.0-rc1-next-20220124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_lockdep_rcu_enabled+0x6/0x30 kernel/rcu/update.c:280
Code: 40 0d 00 00 65 c7 05 15 e7 a8 76 00 00 00 00 eb bc e8 4e fb ff ff eb bc cc cc cc cc cc cc cc cc cc cc cc cc 8b 05 16 18 3b 04 <85> c0 74 21 8b 05 3c 4a 3b 04 85 c0 74 17 65 48 8b 04 25 00 70 02
RSP: 0018:ffffc9000cabfa80 EFLAGS: 00000283
RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff815d4331
RDX: fffffbfff1b29543 RSI: 0000000000000008 RDI: ffffffff8d94aa10
RBP: 1ffff92001957f55 R08: 0000000000000000 R09: ffffffff8d94aa17
R10: fffffbfff1b29542 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88808919cbf8 R14: ffff88808919cf00 R15: ffff88808919cf00
FS: 00007fd61753d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc433fcb600 CR3: 00000000202ff000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:104 [inline]
rcu_read_lock_sched_held+0xd/0x70 kernel/rcu/update.c:123
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0x522/0x720 kernel/locking/lockdep.c:5650
__mutex_unlock_slowpath+0x99/0x5e0 kernel/locking/mutex.c:893
perf_mmap+0x7ba/0x1790 kernel/events/core.c:6335
call_mmap include/linux/fs.h:2079 [inline]
mmap_region+0xd88/0x1630 mm/mmap.c:1793
do_mmap+0x869/0xfb0 mm/mmap.c:1582
vm_mmap_pgoff+0x1b7/0x290 mm/util.c:519
ksys_mmap_pgoff+0x40d/0x5a0 mm/mmap.c:1630
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: 0033:0x7fd618c0a059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd61753d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fd618d1d100 RCX: 00007fd618c0a059
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffc000
RBP: 00007fd618c6408d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa4ffd1df R14: 00007fd61753d300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 0a 8a e8 52 d6 9d or -0x6229ad18(%rdx),%cl
6: fd std
7: 0f 01 cb stac
a: 48 89 d8 mov %rbx,%rax
d: 48 c1 eb 03 shr $0x3,%rbx
11: 48 89 ef mov %rbp,%rdi
14: 83 e0 07 and $0x7,%eax
17: 48 89 d9 mov %rbx,%rcx
1a: 48 85 c9 test %rcx,%rcx
1d: 74 19 je 0x38
1f: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
26: 00 00 00
* 29: 48 c7 07 00 00 00 00 movq $0x0,(%rdi) <-- trapping instruction
30: 48 83 c7 08 add $0x8,%rdi
34: ff c9 dec %ecx
36: 75 f1 jne 0x29
38: 48 89 c1 mov %rax,%rcx
3b: 85 c9 test %ecx,%ecx
3d: 74 0a je 0x49