BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 26062, name: syz-executor.2 1 lock held by syz-executor.2/26062: #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:172 [inline] #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 kernel/time/timer.c:1394 Preemption disabled at: [] __do_softirq+0xf3/0x98c kernel/softirq.c:269 CPU: 1 PID: 26062 Comm: syz-executor.2 Not tainted 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 ___might_sleep.cold+0x1fb/0x23e kernel/sched/core.c:6800 __might_sleep+0x95/0x190 kernel/sched/core.c:6753 __mutex_lock_common kernel/locking/mutex.c:935 [inline] __mutex_lock+0xc5/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 tpk_write+0x5d/0x340 drivers/char/ttyprintk.c:122 resync_tnc+0x1b6/0x320 drivers/net/hamradio/6pack.c:522 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x20 kernel/kcov.c:280 Code: ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 98 fe ff RSP: 0018:ffffc90006cb76c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8197eb36 RDX: 1ffffd4000201561 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90006cb7708 R08: 1ffffd4000201560 R09: fffff94000201561 R10: fffff94000201560 R11: ffffea000100ab07 R12: ffffea000100ab00 R13: ffffea000100ab08 R14: ffffea000100aac8 R15: ffffea000100ab00 delete_from_page_cache+0x26/0x270 mm/filemap.c:268 truncate_inode_page+0x8e/0xd0 mm/truncate.c:228 shmem_undo_range+0xcb3/0x2340 mm/shmem.c:864 shmem_truncate_range+0x27/0xa0 mm/shmem.c:992 shmem_evict_inode+0x311/0xad0 mm/shmem.c:1092 evict+0x306/0x680 fs/inode.c:574 iput_final fs/inode.c:1570 [inline] iput+0x55d/0x900 fs/inode.c:1596 dentry_unlink_inode+0x2d9/0x400 fs/dcache.c:374 __dentry_kill+0x38b/0x600 fs/dcache.c:579 dentry_kill fs/dcache.c:686 [inline] dput+0x821/0xe10 fs/dcache.c:859 __fput+0x424/0x890 fs/file_table.c:293 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x8e7/0x2ef0 kernel/exit.c:797 do_group_exit+0x135/0x360 kernel/exit.c:895 __do_sys_exit_group kernel/exit.c:906 [inline] __se_sys_exit_group kernel/exit.c:904 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:904 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a9e9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff04b58a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045a9e9 RDX: 0000000000414581 RSI: fffffffffffffff7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000f6a8db7e R09: 00007fff04b58ae0 R10: ffffffff8100a6cd R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff04b58ae0 R14: 0000000000000000 R15: 00007fff04b58af0 ================================ WARNING: inconsistent lock state 5.5.0-rc4-syzkaller #0 Tainted: G W -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.2/26062 [HC0[0]:SC1[1]:HE1:SE0] takes: ffffffff8c11aab0 (&tpk_port.port_write_mutex){+.?.}, at: tpk_write+0x5d/0x340 drivers/char/ttyprintk.c:122 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __mutex_lock_common kernel/locking/mutex.c:956 [inline] __mutex_lock+0x156/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 tpk_close+0x50/0x95 drivers/char/ttyprintk.c:103 tty_release+0x3ba/0xe90 drivers/tty/tty_io.c:1683 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x676/0x790 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 19646 hardirqs last enabled at (19646): [] trace_hardirqs_on_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:41 hardirqs last disabled at (19645): [] trace_hardirqs_off_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:42 softirqs last enabled at (17974): [] __do_softirq+0x6cd/0x98c kernel/softirq.c:319 softirqs last disabled at (19575): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (19575): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&tpk_port.port_write_mutex); lock(&tpk_port.port_write_mutex); *** DEADLOCK *** 1 lock held by syz-executor.2/26062: #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:172 [inline] #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 kernel/time/timer.c:1394 stack backtrace: CPU: 1 PID: 26062 Comm: syz-executor.2 Tainted: G W 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_usage_bug.cold+0x327/0x378 kernel/locking/lockdep.c:3101 valid_state kernel/locking/lockdep.c:3112 [inline] mark_lock_irq kernel/locking/lockdep.c:3309 [inline] mark_lock+0xbb4/0x1220 kernel/locking/lockdep.c:3666 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3909 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __mutex_lock_common kernel/locking/mutex.c:956 [inline] __mutex_lock+0x156/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 tpk_write+0x5d/0x340 drivers/char/ttyprintk.c:122 resync_tnc+0x1b6/0x320 drivers/net/hamradio/6pack.c:522 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x20 kernel/kcov.c:280 Code: ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 98 fe ff RSP: 0018:ffffc90006cb76c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8197eb36 RDX: 1ffffd4000201561 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90006cb7708 R08: 1ffffd4000201560 R09: fffff94000201561 R10: fffff94000201560 R11: ffffea000100ab07 R12: ffffea000100ab00 R13: ffffea000100ab08 R14: ffffea000100aac8 R15: ffffea000100ab00 delete_from_page_cache+0x26/0x270 mm/filemap.c:268 truncate_inode_page+0x8e/0xd0 mm/truncate.c:228 shmem_undo_range+0xcb3/0x2340 mm/shmem.c:864 shmem_truncate_range+0x27/0xa0 mm/shmem.c:992 shmem_evict_inode+0x311/0xad0 mm/shmem.c:1092 evict+0x306/0x680 fs/inode.c:574 iput_final fs/inode.c:1570 [inline] iput+0x55d/0x900 fs/inode.c:1596 dentry_unlink_inode+0x2d9/0x400 fs/dcache.c:374 __dentry_kill+0x38b/0x600 fs/dcache.c:579 dentry_kill fs/dcache.c:686 [inline] dput+0x821/0xe10 fs/dcache.c:859 __fput+0x424/0x890 fs/file_table.c:293 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x8e7/0x2ef0 kernel/exit.c:797 do_group_exit+0x135/0x360 kernel/exit.c:895 __do_sys_exit_group kernel/exit.c:906 [inline] __se_sys_exit_group kernel/exit.c:904 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:904 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a9e9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff04b58a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045a9e9 RDX: 0000000000414581 RSI: fffffffffffffff7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000f6a8db7e R09: 00007fff04b58ae0 R10: ffffffff8100a6cd R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff04b58ae0 R14: 0000000000000000 R15: 00007fff04b58af0 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 26062, name: syz-executor.2 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0xf3/0x98c kernel/softirq.c:269 CPU: 1 PID: 26062 Comm: syz-executor.2 Tainted: G W 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 ___might_sleep.cold+0x1fb/0x23e kernel/sched/core.c:6800 __might_sleep+0x95/0x190 kernel/sched/core.c:6753 __mutex_lock_common kernel/locking/mutex.c:935 [inline] __mutex_lock+0xc5/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 tpk_write+0x5d/0x340 drivers/char/ttyprintk.c:122 resync_tnc+0x22e/0x320 drivers/net/hamradio/6pack.c:523 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x20 kernel/kcov.c:280 Code: ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 98 fe ff RSP: 0018:ffffc90006cb76c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8197eb36 RDX: 1ffffd4000201561 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90006cb7708 R08: 1ffffd4000201560 R09: fffff94000201561 R10: fffff94000201560 R11: ffffea000100ab07 R12: ffffea000100ab00 R13: ffffea000100ab08 R14: ffffea000100aac8 R15: ffffea000100ab00 delete_from_page_cache+0x26/0x270 mm/filemap.c:268 truncate_inode_page+0x8e/0xd0 mm/truncate.c:228 shmem_undo_range+0xcb3/0x2340 mm/shmem.c:864 shmem_truncate_range+0x27/0xa0 mm/shmem.c:992 shmem_evict_inode+0x311/0xad0 mm/shmem.c:1092 evict+0x306/0x680 fs/inode.c:574 iput_final fs/inode.c:1570 [inline] iput+0x55d/0x900 fs/inode.c:1596 dentry_unlink_inode+0x2d9/0x400 fs/dcache.c:374 __dentry_kill+0x38b/0x600 fs/dcache.c:579 dentry_kill fs/dcache.c:686 [inline] dput+0x821/0xe10 fs/dcache.c:859 __fput+0x424/0x890 fs/file_table.c:293 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x8e7/0x2ef0 kernel/exit.c:797 do_group_exit+0x135/0x360 kernel/exit.c:895 __do_sys_exit_group kernel/exit.c:906 [inline] __se_sys_exit_group kernel/exit.c:904 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:904 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a9e9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff04b58a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045a9e9 RDX: 0000000000414581 RSI: fffffffffffffff7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000f6a8db7e R09: 00007fff04b58ae0 R10: ffffffff8100a6cd R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff04b58ae0 R14: 0000000000000000 R15: 00007fff04b58af0 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 26374, name: syz-executor.4 INFO: lockdep is turned off. Preemption disabled at: [] vprintk_emit+0x27e/0x700 kernel/printk/printk.c:1989 CPU: 1 PID: 26374 Comm: syz-executor.4 Tainted: G W 5.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 ___might_sleep.cold+0x1fb/0x23e kernel/sched/core.c:6800 __might_sleep+0x95/0x190 kernel/sched/core.c:6753 __mutex_lock_common kernel/locking/mutex.c:935 [inline] __mutex_lock+0xc5/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 tpk_write+0x5d/0x340 drivers/char/ttyprintk.c:122 resync_tnc+0x1b6/0x320 drivers/net/hamradio/6pack.c:522 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1751 [inline] RIP: 0010:vprintk_emit+0x5da/0x700 kernel/printk/printk.c:1995 Code: 00 48 b8 00 00 00 00 00 fc ff df 41 80 3c 06 00 0f 85 f8 00 00 00 48 83 3d 5a cd 34 08 00 74 6a e8 bb c5 16 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 06 ff ff ff e8 a7 c5 16 00 49 c1 ee 03 e8 fe 5a RSP: 0018:ffffc90001b87398 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000246 RCX: ffffc90012f5a000 RDX: 0000000000040000 RSI: ffffffff815e6785 RDI: 0000000000000246 RBP: ffffc90001b873e0 R08: ffff88805dcc4340 R09: fffffbfff14f33d9 R10: fffffbfff14f33d8 R11: ffffffff8a799ec7 R12: 0000000000000039 R13: 0000000000000200 R14: 1ffffffff132669b R15: ffff888092ddc4c0 vprintk_default+0x28/0x30 kernel/printk/printk.c:2023 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:386 printk+0xba/0xed kernel/printk/printk.c:2056 kobject_uevent_env+0xe2/0x10a6 lib/kobject_uevent.c:476 kobject_uevent+0x20/0x26 lib/kobject_uevent.c:641 device_add+0xac4/0x1d00 drivers/base/core.c:2460 netdev_register_kobject+0x183/0x3b0 net/core/net-sysfs.c:1755 register_netdevice+0x4f4/0x1020 net/core/dev.c:9316 __ip_tunnel_create+0x36b/0x530 net/ipv4/ip_tunnel.c:269 ip_tunnel_init_net+0x370/0x9e0 net/ipv4/ip_tunnel.c:1060 ipgre_tap_init_net+0x2a/0x30 net/ipv4/ip_gre.c:1577 ops_init+0xb3/0x420 net/core/net_namespace.c:137 setup_net+0x2d5/0x8b0 net/core/net_namespace.c:335 copy_net_ns+0x29e/0x5a0 net/core/net_namespace.c:476 create_new_namespaces+0x400/0x860 kernel/nsproxy.c:103 copy_namespaces+0x34c/0x3f0 kernel/nsproxy.c:161 copy_process+0x2b3d/0x7230 kernel/fork.c:2075 _do_fork+0x146/0x1090 kernel/fork.c:2421 __do_sys_clone kernel/fork.c:2576 [inline] __se_sys_clone kernel/fork.c:2557 [inline] __x64_sys_clone+0x19a/0x260 kernel/fork.c:2557 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a9e9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe901927c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a9e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000068002100 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9019286d4 R13: 00000000004c1117 R14: 00000000004d5158 R15: 00000000ffffffff