[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts. syzkaller login: [ 79.902539][ T6875] FAULT_INJECTION: forcing a failure. [ 79.902539][ T6875] name failslab, interval 1, probability 0, space 0, times 1 [ 79.915367][ T6875] CPU: 1 PID: 6875 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 79.925267][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.935326][ T6875] Call Trace: [ 79.938604][ T6875] dump_stack+0x198/0x1fb [ 79.942919][ T6875] should_fail.cold+0x5/0xa [ 79.947419][ T6875] ? tomoyo_realpath_from_path+0xc3/0x620 [ 79.953214][ T6875] ? tomoyo_realpath_from_path+0xc3/0x620 [ 79.958925][ T6875] should_failslab+0x5/0x10 [ 79.963411][ T6875] __kmalloc+0x34a/0x4d0 [ 79.967643][ T6875] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 79.973175][ T6875] tomoyo_realpath_from_path+0xc3/0x620 [ 79.978727][ T6875] tomoyo_check_open_permission+0x272/0x380 [ 79.984604][ T6875] ? tomoyo_path_number_perm+0x590/0x590 [ 79.990234][ T6875] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 79.996212][ T6875] ? lock_downgrade+0x830/0x830 [ 80.001075][ T6875] ? do_raw_spin_lock+0x120/0x2b0 [ 80.006090][ T6875] tomoyo_file_open+0xa3/0xd0 [ 80.010753][ T6875] security_file_open+0x52/0x4f0 [ 80.015674][ T6875] ? __mnt_want_write+0x1bc/0x2a0 [ 80.020686][ T6875] do_dentry_open+0x358/0x11b0 [ 80.025438][ T6875] ? may_open+0x1e4/0x400 [ 80.029778][ T6875] path_openat+0x1b9a/0x2730 [ 80.034359][ T6875] ? path_lookupat+0x830/0x830 [ 80.039137][ T6875] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 80.045101][ T6875] ? lock_is_held_type+0xbb/0xf0 [ 80.050025][ T6875] do_filp_open+0x17e/0x3c0 [ 80.054513][ T6875] ? may_open_dev+0xf0/0xf0 [ 80.059018][ T6875] ? do_raw_spin_lock+0x120/0x2b0 [ 80.064043][ T6875] ? rwlock_bug.part.0+0x90/0x90 [ 80.068980][ T6875] ? _raw_spin_unlock+0x24/0x40 [ 80.073818][ T6875] ? __alloc_fd+0x28d/0x600 [ 80.078313][ T6875] do_sys_openat2+0x16d/0x420 [ 80.082980][ T6875] ? lock_is_held_type+0xbb/0xf0 [ 80.087903][ T6875] ? build_open_flags+0x650/0x650 [ 80.092977][ T6875] ? blkcg_maybe_throttle_current+0x640/0xd70 [ 80.099034][ T6875] ? call_rcu+0x386/0x7d0 [ 80.103393][ T6875] __x64_sys_open+0x119/0x1c0 [ 80.108060][ T6875] ? do_sys_open+0x140/0x140 [ 80.112644][ T6875] ? check_preemption_disabled+0x50/0x130 [ 80.118347][ T6875] ? syscall_enter_from_user_mode+0x1d/0x60 [ 80.124230][ T6875] do_syscall_64+0x2d/0x70 [ 80.128671][ T6875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.134577][ T6875] RIP: 0033:0x405770 [ 80.138465][ T6875] Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d bd c3 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 80.158067][ T6875] RSP: 002b:00007ffe36a84578 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 80.166470][ T6875] RAX: ffffffffffffffda RBX: 00007ffe36a845a1 RCX: 0000000000405770 [ 80.174456][ T6875] RDX: 00007ffe36a845a6 RSI: 0000000000080001 RDI: 00000000004ae9a8 [ 80.182441][ T6875] RBP: 00007ffe36a845a0 R08: 0000000000000000 R09: 0000000000000001 [ 80.190427][ T6875] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004ae9a8 executing program [ 80.198411][ T6875] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.218692][ T6875] ERROR: Out of memory at tomoyo_realpath_from_path. [ 80.230252][ T6877] FAULT_INJECTION: forcing a failure. [ 80.230252][ T6877] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 80.243793][ T6877] CPU: 0 PID: 6877 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 80.253671][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.263716][ T6877] Call Trace: [ 80.267024][ T6877] dump_stack+0x198/0x1fb [ 80.271418][ T6877] should_fail.cold+0x5/0xa [ 80.275921][ T6877] __alloc_pages_nodemask+0x189/0x730 [ 80.281500][ T6877] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 80.288383][ T6877] ? lock_is_held_type+0xbb/0xf0 [ 80.293323][ T6877] alloc_pages_current+0x191/0x2a0 [ 80.298443][ T6877] mm_get_huge_zero_page+0x14a/0x330 [ 80.303730][ T6877] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 80.309533][ T6877] handle_mm_fault+0x3644/0x4530 [ 80.314465][ T6877] ? vm_iomap_memory+0x190/0x190 [ 80.319397][ T6877] ? vmacache_update+0xce/0x140 [ 80.324239][ T6877] do_user_addr_fault+0x598/0xbf0 [ 80.329299][ T6877] exc_page_fault+0xa8/0x190 [ 80.333908][ T6877] asm_exc_page_fault+0x1e/0x30 [ 80.338752][ T6877] RIP: 0010:__get_user_8+0x18/0x33 [ 80.343898][ T6877] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 80.363596][ T6877] RSP: 0018:ffffc9000114ff18 EFLAGS: 00010202 [ 80.369654][ T6877] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 80.378040][ T6877] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 80.386013][ T6877] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888024286b08 [ 80.393980][ T6877] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 80.401945][ T6877] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 80.409924][ T6877] ? __x64_sys_io_setup+0x80/0x230 [ 80.415034][ T6877] ? __x64_sys_io_setup+0x8e/0x230 [ 80.420140][ T6877] __x64_sys_io_setup+0x96/0x230 [ 80.425078][ T6877] do_syscall_64+0x2d/0x70 [ 80.429496][ T6877] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.435378][ T6877] RIP: 0033:0x446769 [ 80.439262][ T6877] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.458858][ T6877] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 80.467268][ T6877] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 80.475352][ T6877] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 80.483316][ T6877] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 80.491282][ T6877] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 80.499275][ T6877] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 80.520419][ T6878] FAULT_INJECTION: forcing a failure. [ 80.520419][ T6878] name failslab, interval 1, probability 0, space 0, times 0 [ 80.534192][ T6878] CPU: 1 PID: 6878 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 80.544260][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.554300][ T6878] Call Trace: [ 80.557714][ T6878] dump_stack+0x198/0x1fb [ 80.562033][ T6878] should_fail.cold+0x5/0xa [ 80.566541][ T6878] should_failslab+0x5/0x10 [ 80.571029][ T6878] kmem_cache_alloc+0x3c5/0x550 [ 80.575865][ T6878] ? _raw_spin_unlock+0x24/0x40 [ 80.580705][ T6878] security_inode_alloc+0x34/0x160 [ 80.585803][ T6878] inode_init_always+0x5a9/0xdb0 [ 80.590844][ T6878] alloc_inode+0x82/0x230 [ 80.595157][ T6878] new_inode_pseudo+0x14/0xe0 [ 80.599819][ T6878] alloc_anon_inode+0x22/0x3c0 [ 80.604571][ T6878] ioctx_alloc+0x43d/0x1d60 [ 80.609067][ T6878] ? lock_downgrade+0x830/0x830 [ 80.613959][ T6878] ? aio_migratepage+0x9f0/0x9f0 [ 80.618905][ T6878] __x64_sys_io_setup+0xe9/0x230 [ 80.623854][ T6878] do_syscall_64+0x2d/0x70 [ 80.628256][ T6878] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.634132][ T6878] RIP: 0033:0x446769 [ 80.638011][ T6878] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.657599][ T6878] RSP: 002b:00007f51c77c3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 80.666006][ T6878] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446769 [ 80.673967][ T6878] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 80.681952][ T6878] RBP: 00000000006dbc30 R08: 0000000000000001 R09: 0000000000000000 [ 80.689911][ T6878] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 80.697866][ T6878] R13: 00007ffe36a84a0f R14: 00007f51c77c49c0 R15: 0000000000000001 executing program [ 80.802988][ T6880] FAULT_INJECTION: forcing a failure. [ 80.802988][ T6880] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.817089][ T6880] CPU: 0 PID: 6880 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 80.826998][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.837140][ T6880] Call Trace: [ 80.840440][ T6880] dump_stack+0x198/0x1fb [ 80.844774][ T6880] should_fail.cold+0x5/0xa [ 80.849273][ T6880] __alloc_pages_nodemask+0x189/0x730 [ 80.854633][ T6880] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 80.861389][ T6880] ? lock_is_held_type+0xbb/0xf0 [ 80.866321][ T6880] alloc_pages_current+0x191/0x2a0 [ 80.871426][ T6880] mm_get_huge_zero_page+0x14a/0x330 [ 80.876809][ T6880] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 80.882609][ T6880] handle_mm_fault+0x3644/0x4530 [ 80.887630][ T6880] ? vm_iomap_memory+0x190/0x190 [ 80.892706][ T6880] ? vmacache_update+0xce/0x140 [ 80.897574][ T6880] do_user_addr_fault+0x598/0xbf0 [ 80.902786][ T6880] exc_page_fault+0xa8/0x190 [ 80.907437][ T6880] asm_exc_page_fault+0x1e/0x30 [ 80.912281][ T6880] RIP: 0010:__get_user_8+0x18/0x33 [ 80.917381][ T6880] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 80.937065][ T6880] RSP: 0018:ffffc9000114ff18 EFLAGS: 00010202 [ 80.943123][ T6880] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 80.951093][ T6880] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 80.959347][ T6880] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880122a6bc8 [ 80.967315][ T6880] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 80.975283][ T6880] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 80.983265][ T6880] ? __x64_sys_io_setup+0x80/0x230 [ 80.988394][ T6880] ? __x64_sys_io_setup+0x8e/0x230 [ 80.993522][ T6880] __x64_sys_io_setup+0x96/0x230 [ 80.998474][ T6880] do_syscall_64+0x2d/0x70 [ 81.002883][ T6880] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.008763][ T6880] RIP: 0033:0x446769 [ 81.012656][ T6880] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.032348][ T6880] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 81.040753][ T6880] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 81.048750][ T6880] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 81.056711][ T6880] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 81.064682][ T6880] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.072778][ T6880] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 81.103037][ T6880] FAULT_INJECTION: forcing a failure. [ 81.103037][ T6880] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 81.123184][ T6880] CPU: 0 PID: 6880 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 81.133080][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.143124][ T6880] Call Trace: [ 81.146405][ T6880] dump_stack+0x198/0x1fb [ 81.150730][ T6880] should_fail.cold+0x5/0xa [ 81.155268][ T6880] mm_release+0x241/0x360 [ 81.159590][ T6880] do_exit+0x60d/0x2930 [ 81.163740][ T6880] ? lock_is_held_type+0xbb/0xf0 [ 81.168694][ T6880] ? find_held_lock+0x2d/0x110 [ 81.173452][ T6880] ? mm_update_next_owner+0x7a0/0x7a0 [ 81.178847][ T6880] ? lock_downgrade+0x830/0x830 [ 81.183682][ T6880] ? do_raw_spin_lock+0x120/0x2b0 [ 81.188714][ T6880] ? lock_is_held_type+0xbb/0xf0 [ 81.193641][ T6880] do_group_exit+0x125/0x310 [ 81.198221][ T6880] get_signal+0x428/0x1f00 [ 81.202631][ T6880] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 81.208642][ T6880] arch_do_signal+0x82/0x2470 [ 81.213307][ T6880] ? lock_is_held_type+0xbb/0xf0 [ 81.218230][ T6880] ? find_held_lock+0x2d/0x110 [ 81.223022][ T6880] ? copy_siginfo_to_user32+0xa0/0xa0 [ 81.228419][ T6880] ? __x64_sys_futex+0x378/0x4e0 [ 81.233346][ T6880] ? __x64_sys_futex+0x382/0x4e0 [ 81.238270][ T6880] ? do_futex+0x1a30/0x1a30 [ 81.242790][ T6880] ? check_preemption_disabled+0x50/0x130 [ 81.248500][ T6880] exit_to_user_mode_prepare+0x194/0x1f0 [ 81.254120][ T6880] syscall_exit_to_user_mode+0x7a/0x2c0 [ 81.259654][ T6880] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.265533][ T6880] RIP: 0033:0x446769 [ 81.269605][ T6880] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.289412][ T6880] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 81.297823][ T6880] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 81.305884][ T6880] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 81.313846][ T6880] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 81.321904][ T6880] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.329974][ T6880] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 81.422217][ T6882] FAULT_INJECTION: forcing a failure. [ 81.422217][ T6882] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.435474][ T6882] CPU: 0 PID: 6882 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 81.445355][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.455402][ T6882] Call Trace: [ 81.458715][ T6882] dump_stack+0x198/0x1fb [ 81.463108][ T6882] should_fail.cold+0x5/0xa [ 81.467602][ T6882] __alloc_pages_nodemask+0x189/0x730 [ 81.472962][ T6882] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 81.479815][ T6882] ? lock_is_held_type+0xbb/0xf0 [ 81.484749][ T6882] alloc_pages_current+0x191/0x2a0 [ 81.489858][ T6882] mm_get_huge_zero_page+0x14a/0x330 [ 81.495156][ T6882] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 81.500971][ T6882] handle_mm_fault+0x3644/0x4530 [ 81.505908][ T6882] ? vm_iomap_memory+0x190/0x190 [ 81.510839][ T6882] ? vmacache_update+0xce/0x140 [ 81.515699][ T6882] do_user_addr_fault+0x598/0xbf0 [ 81.520716][ T6882] exc_page_fault+0xa8/0x190 [ 81.525330][ T6882] asm_exc_page_fault+0x1e/0x30 [ 81.530216][ T6882] RIP: 0010:__get_user_8+0x18/0x33 [ 81.535327][ T6882] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 81.554917][ T6882] RSP: 0018:ffffc9000114ff18 EFLAGS: 00010202 [ 81.560975][ T6882] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 81.568944][ T6882] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 81.576913][ T6882] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880266fec48 [ 81.584871][ T6882] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 81.592831][ T6882] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 81.600843][ T6882] ? __x64_sys_io_setup+0x80/0x230 [ 81.605944][ T6882] ? __x64_sys_io_setup+0x8e/0x230 [ 81.611054][ T6882] __x64_sys_io_setup+0x96/0x230 [ 81.615986][ T6882] do_syscall_64+0x2d/0x70 [ 81.620396][ T6882] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.626308][ T6882] RIP: 0033:0x446769 [ 81.630282][ T6882] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.649910][ T6882] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 81.658323][ T6882] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 81.666292][ T6882] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 81.674283][ T6882] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 81.682241][ T6882] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.690201][ T6882] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 81.718677][ T6882] FAULT_INJECTION: forcing a failure. [ 81.718677][ T6882] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 81.731770][ T6882] CPU: 0 PID: 6882 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 81.741646][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.751685][ T6882] Call Trace: [ 81.754963][ T6882] dump_stack+0x198/0x1fb [ 81.759286][ T6882] should_fail.cold+0x5/0xa [ 81.763789][ T6882] mm_release+0x241/0x360 [ 81.768097][ T6882] do_exit+0x60d/0x2930 [ 81.772253][ T6882] ? lock_is_held_type+0xbb/0xf0 [ 81.777187][ T6882] ? find_held_lock+0x2d/0x110 [ 81.781932][ T6882] ? mm_update_next_owner+0x7a0/0x7a0 [ 81.787293][ T6882] ? lock_downgrade+0x830/0x830 [ 81.792134][ T6882] ? do_raw_spin_lock+0x120/0x2b0 [ 81.797151][ T6882] ? lock_is_held_type+0xbb/0xf0 [ 81.802072][ T6882] do_group_exit+0x125/0x310 [ 81.806643][ T6882] get_signal+0x428/0x1f00 [ 81.811223][ T6882] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 81.817249][ T6882] arch_do_signal+0x82/0x2470 [ 81.821975][ T6882] ? lock_is_held_type+0xbb/0xf0 [ 81.826899][ T6882] ? find_held_lock+0x2d/0x110 [ 81.831647][ T6882] ? copy_siginfo_to_user32+0xa0/0xa0 [ 81.837007][ T6882] ? __x64_sys_futex+0x378/0x4e0 [ 81.841935][ T6882] ? __x64_sys_futex+0x382/0x4e0 [ 81.846849][ T6882] ? do_futex+0x1a30/0x1a30 [ 81.851332][ T6882] ? check_preemption_disabled+0x50/0x130 [ 81.857049][ T6882] exit_to_user_mode_prepare+0x194/0x1f0 [ 81.862683][ T6882] syscall_exit_to_user_mode+0x7a/0x2c0 [ 81.868206][ T6882] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.874076][ T6882] RIP: 0033:0x446769 [ 81.877952][ T6882] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.897563][ T6882] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 81.905958][ T6882] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 81.913912][ T6882] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 81.921881][ T6882] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 81.929840][ T6882] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 81.937804][ T6882] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 82.041339][ T6884] FAULT_INJECTION: forcing a failure. [ 82.041339][ T6884] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.054780][ T6884] CPU: 0 PID: 6884 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 82.064678][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.074738][ T6884] Call Trace: [ 82.078027][ T6884] dump_stack+0x198/0x1fb [ 82.082355][ T6884] should_fail.cold+0x5/0xa [ 82.086847][ T6884] __alloc_pages_nodemask+0x189/0x730 [ 82.092212][ T6884] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 82.098975][ T6884] ? lock_is_held_type+0xbb/0xf0 [ 82.103914][ T6884] alloc_pages_current+0x191/0x2a0 [ 82.109041][ T6884] mm_get_huge_zero_page+0x14a/0x330 [ 82.114308][ T6884] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 82.120115][ T6884] handle_mm_fault+0x3644/0x4530 [ 82.125038][ T6884] ? vm_iomap_memory+0x190/0x190 [ 82.129981][ T6884] ? vmacache_update+0xce/0x140 [ 82.134824][ T6884] do_user_addr_fault+0x598/0xbf0 [ 82.139860][ T6884] exc_page_fault+0xa8/0x190 [ 82.144449][ T6884] asm_exc_page_fault+0x1e/0x30 [ 82.149289][ T6884] RIP: 0010:__get_user_8+0x18/0x33 [ 82.154384][ T6884] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 82.173977][ T6884] RSP: 0018:ffffc90007a4ff18 EFLAGS: 00010202 [ 82.180049][ T6884] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 82.188004][ T6884] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 82.195979][ T6884] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88801049acc8 [ 82.203951][ T6884] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 82.211902][ T6884] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 82.219865][ T6884] ? __x64_sys_io_setup+0x80/0x230 [ 82.224958][ T6884] ? __x64_sys_io_setup+0x8e/0x230 [ 82.230057][ T6884] __x64_sys_io_setup+0x96/0x230 [ 82.234994][ T6884] do_syscall_64+0x2d/0x70 [ 82.239419][ T6884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.245290][ T6884] RIP: 0033:0x446769 [ 82.249182][ T6884] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.268774][ T6884] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 82.277175][ T6884] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 82.285141][ T6884] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 82.293108][ T6884] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 82.301078][ T6884] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 82.309030][ T6884] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 82.398705][ T6885] FAULT_INJECTION: forcing a failure. [ 82.398705][ T6885] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.412361][ T6885] CPU: 0 PID: 6885 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 82.422321][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.432374][ T6885] Call Trace: [ 82.435653][ T6885] dump_stack+0x198/0x1fb [ 82.439964][ T6885] should_fail.cold+0x5/0xa [ 82.444460][ T6885] ? lock_acquire+0x1f2/0xaa0 [ 82.449119][ T6885] __alloc_pages_nodemask+0x189/0x730 [ 82.454491][ T6885] ? lock_release+0x890/0x890 [ 82.459151][ T6885] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 82.465907][ T6885] ? unlock_page_memcg+0x9f/0x160 [ 82.470929][ T6885] alloc_pages_current+0x191/0x2a0 [ 82.476022][ T6885] __get_free_pages+0x8/0x40 [ 82.480591][ T6885] __tlb_remove_page_size+0x253/0x420 [ 82.485946][ T6885] unmap_page_range+0x101c/0x2b50 [ 82.491048][ T6885] ? unmap_vmas+0x126/0x2e0 [ 82.495530][ T6885] ? vm_normal_page_pmd+0x5b0/0x5b0 [ 82.500723][ T6885] ? lock_downgrade+0x830/0x830 [ 82.505569][ T6885] ? uprobe_munmap+0x1c/0x560 [ 82.510255][ T6885] unmap_single_vma+0x198/0x300 [ 82.515103][ T6885] unmap_vmas+0x168/0x2e0 [ 82.519410][ T6885] ? zap_vma_ptes+0x100/0x100 [ 82.524079][ T6885] exit_mmap+0x2b1/0x530 [ 82.528314][ T6885] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 82.534302][ T6885] ? check_preemption_disabled+0x50/0x130 [ 82.540016][ T6885] ? kmem_cache_free.part.0+0x19f/0x1d0 [ 82.545565][ T6885] ? __khugepaged_exit+0x2d9/0x3f0 [ 82.550673][ T6885] __mmput+0x122/0x470 [ 82.554724][ T6885] mmput+0x53/0x60 [ 82.558424][ T6885] do_exit+0xa31/0x2930 [ 82.562567][ T6885] ? lock_is_held_type+0xbb/0xf0 [ 82.567483][ T6885] ? find_held_lock+0x2d/0x110 [ 82.572226][ T6885] ? mm_update_next_owner+0x7a0/0x7a0 [ 82.577596][ T6885] ? lock_downgrade+0x830/0x830 [ 82.582434][ T6885] ? do_raw_spin_lock+0x120/0x2b0 [ 82.587459][ T6885] ? lock_is_held_type+0xbb/0xf0 [ 82.592391][ T6885] do_group_exit+0x125/0x310 [ 82.596963][ T6885] get_signal+0x428/0x1f00 [ 82.601482][ T6885] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 82.607448][ T6885] arch_do_signal+0x82/0x2470 [ 82.612106][ T6885] ? lock_is_held_type+0xbb/0xf0 [ 82.617033][ T6885] ? find_held_lock+0x2d/0x110 [ 82.621790][ T6885] ? copy_siginfo_to_user32+0xa0/0xa0 [ 82.627146][ T6885] ? __x64_sys_futex+0x378/0x4e0 [ 82.632063][ T6885] ? __x64_sys_futex+0x382/0x4e0 [ 82.636986][ T6885] ? do_futex+0x1a30/0x1a30 [ 82.641471][ T6885] ? check_preemption_disabled+0x50/0x130 [ 82.647175][ T6885] exit_to_user_mode_prepare+0x194/0x1f0 [ 82.652792][ T6885] syscall_exit_to_user_mode+0x7a/0x2c0 [ 82.658338][ T6885] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.664209][ T6885] RIP: 0033:0x446769 [ 82.668095][ T6885] Code: Unable to access opcode bytes at RIP 0x44673f. [ 82.674917][ T6885] RSP: 002b:00007f51c77c3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 82.684874][ T6885] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446769 executing program [ 82.692826][ T6885] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 82.700796][ T6885] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 82.708750][ T6885] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 82.716699][ T6885] R13: 00007ffe36a84a0f R14: 00007f51c77c49c0 R15: 0000000000000001 [ 82.731153][ T6887] FAULT_INJECTION: forcing a failure. [ 82.731153][ T6887] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.752535][ T6887] CPU: 0 PID: 6887 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 82.762433][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.772519][ T6887] Call Trace: [ 82.775798][ T6887] dump_stack+0x198/0x1fb [ 82.780114][ T6887] should_fail.cold+0x5/0xa [ 82.784649][ T6887] __alloc_pages_nodemask+0x189/0x730 [ 82.790003][ T6887] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 82.796745][ T6887] ? lock_is_held_type+0xbb/0xf0 [ 82.801685][ T6887] alloc_pages_current+0x191/0x2a0 [ 82.806781][ T6887] mm_get_huge_zero_page+0x14a/0x330 [ 82.812049][ T6887] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 82.817843][ T6887] handle_mm_fault+0x3644/0x4530 [ 82.822785][ T6887] ? vm_iomap_memory+0x190/0x190 [ 82.827727][ T6887] ? vmacache_update+0xce/0x140 [ 82.832579][ T6887] do_user_addr_fault+0x598/0xbf0 [ 82.837612][ T6887] exc_page_fault+0xa8/0x190 [ 82.842193][ T6887] asm_exc_page_fault+0x1e/0x30 [ 82.847027][ T6887] RIP: 0010:__get_user_8+0x18/0x33 [ 82.852118][ T6887] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 82.871719][ T6887] RSP: 0018:ffffc90005757f18 EFLAGS: 00010202 [ 82.877765][ T6887] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 82.885713][ T6887] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 82.893665][ T6887] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88802130ad88 [ 82.901613][ T6887] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 82.909562][ T6887] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 82.917524][ T6887] ? __x64_sys_io_setup+0x80/0x230 [ 82.922644][ T6887] ? __x64_sys_io_setup+0x8e/0x230 [ 82.927735][ T6887] __x64_sys_io_setup+0x96/0x230 [ 82.932651][ T6887] do_syscall_64+0x2d/0x70 [ 82.937045][ T6887] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.942913][ T6887] RIP: 0033:0x446769 [ 82.946894][ T6887] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.966478][ T6887] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 82.974868][ T6887] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 82.982817][ T6887] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 82.990781][ T6887] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 82.998727][ T6887] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 83.006672][ T6887] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 83.035342][ T6887] FAULT_INJECTION: forcing a failure. [ 83.035342][ T6887] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 83.048647][ T6887] CPU: 1 PID: 6887 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 83.058522][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.068559][ T6887] Call Trace: [ 83.071849][ T6887] dump_stack+0x198/0x1fb [ 83.076165][ T6887] should_fail.cold+0x5/0xa [ 83.080670][ T6887] mm_release+0x241/0x360 [ 83.084982][ T6887] do_exit+0x60d/0x2930 [ 83.089120][ T6887] ? lock_is_held_type+0xbb/0xf0 [ 83.094048][ T6887] ? find_held_lock+0x2d/0x110 [ 83.098798][ T6887] ? mm_update_next_owner+0x7a0/0x7a0 [ 83.104162][ T6887] ? lock_downgrade+0x830/0x830 [ 83.109002][ T6887] ? do_raw_spin_lock+0x120/0x2b0 [ 83.114051][ T6887] ? lock_is_held_type+0xbb/0xf0 [ 83.118973][ T6887] do_group_exit+0x125/0x310 [ 83.123547][ T6887] get_signal+0x428/0x1f00 [ 83.127949][ T6887] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 83.133914][ T6887] arch_do_signal+0x82/0x2470 [ 83.138591][ T6887] ? lock_is_held_type+0xbb/0xf0 [ 83.143539][ T6887] ? find_held_lock+0x2d/0x110 [ 83.148286][ T6887] ? copy_siginfo_to_user32+0xa0/0xa0 [ 83.153652][ T6887] ? __x64_sys_futex+0x378/0x4e0 [ 83.158571][ T6887] ? __x64_sys_futex+0x382/0x4e0 [ 83.163511][ T6887] ? do_futex+0x1a30/0x1a30 [ 83.168019][ T6887] ? check_preemption_disabled+0x50/0x130 [ 83.173728][ T6887] exit_to_user_mode_prepare+0x194/0x1f0 [ 83.179364][ T6887] syscall_exit_to_user_mode+0x7a/0x2c0 [ 83.184898][ T6887] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.190789][ T6887] RIP: 0033:0x446769 [ 83.194686][ T6887] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.214276][ T6887] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 83.222676][ T6887] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 83.230630][ T6887] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 83.238584][ T6887] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 83.246537][ T6887] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 83.254506][ T6887] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 83.351431][ T6889] FAULT_INJECTION: forcing a failure. [ 83.351431][ T6889] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 83.364895][ T6889] CPU: 1 PID: 6889 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 83.374764][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.384822][ T6889] Call Trace: [ 83.388103][ T6889] dump_stack+0x198/0x1fb [ 83.392418][ T6889] should_fail.cold+0x5/0xa [ 83.396906][ T6889] __alloc_pages_nodemask+0x189/0x730 [ 83.402273][ T6889] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 83.409118][ T6889] ? lock_is_held_type+0xbb/0xf0 [ 83.414041][ T6889] alloc_pages_current+0x191/0x2a0 [ 83.419249][ T6889] mm_get_huge_zero_page+0x14a/0x330 [ 83.424530][ T6889] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 83.430340][ T6889] handle_mm_fault+0x3644/0x4530 [ 83.435266][ T6889] ? vm_iomap_memory+0x190/0x190 [ 83.440205][ T6889] ? vmacache_update+0xce/0x140 [ 83.445055][ T6889] do_user_addr_fault+0x598/0xbf0 [ 83.450203][ T6889] exc_page_fault+0xa8/0x190 [ 83.454780][ T6889] asm_exc_page_fault+0x1e/0x30 [ 83.459615][ T6889] RIP: 0010:__get_user_8+0x18/0x33 [ 83.464706][ T6889] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 83.484307][ T6889] RSP: 0018:ffffc90005757f18 EFLAGS: 00010202 [ 83.490356][ T6889] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 83.498324][ T6889] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 83.506286][ T6889] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880101b0e08 [ 83.514233][ T6889] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 83.522181][ T6889] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 83.530145][ T6889] ? __x64_sys_io_setup+0x80/0x230 [ 83.535235][ T6889] ? __x64_sys_io_setup+0x8e/0x230 [ 83.540347][ T6889] __x64_sys_io_setup+0x96/0x230 [ 83.545269][ T6889] do_syscall_64+0x2d/0x70 [ 83.549666][ T6889] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.555543][ T6889] RIP: 0033:0x446769 [ 83.559417][ T6889] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.579018][ T6889] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 83.587412][ T6889] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 83.595379][ T6889] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 83.603346][ T6889] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 83.611308][ T6889] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 83.619268][ T6889] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 83.650197][ T6889] FAULT_INJECTION: forcing a failure. [ 83.650197][ T6889] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 83.663635][ T6889] CPU: 0 PID: 6889 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 83.673534][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.683573][ T6889] Call Trace: [ 83.686851][ T6889] dump_stack+0x198/0x1fb [ 83.691214][ T6889] should_fail.cold+0x5/0xa [ 83.695742][ T6889] mm_release+0x241/0x360 [ 83.700055][ T6889] do_exit+0x60d/0x2930 [ 83.704194][ T6889] ? lock_is_held_type+0xbb/0xf0 [ 83.709113][ T6889] ? find_held_lock+0x2d/0x110 [ 83.713857][ T6889] ? mm_update_next_owner+0x7a0/0x7a0 [ 83.719226][ T6889] ? lock_downgrade+0x830/0x830 [ 83.724078][ T6889] ? do_raw_spin_lock+0x120/0x2b0 [ 83.729101][ T6889] ? lock_is_held_type+0xbb/0xf0 [ 83.734017][ T6889] do_group_exit+0x125/0x310 [ 83.738587][ T6889] get_signal+0x428/0x1f00 [ 83.742987][ T6889] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 83.748955][ T6889] arch_do_signal+0x82/0x2470 [ 83.753612][ T6889] ? lock_is_held_type+0xbb/0xf0 [ 83.758533][ T6889] ? find_held_lock+0x2d/0x110 [ 83.763276][ T6889] ? copy_siginfo_to_user32+0xa0/0xa0 [ 83.768644][ T6889] ? __x64_sys_futex+0x378/0x4e0 [ 83.773557][ T6889] ? __x64_sys_futex+0x382/0x4e0 [ 83.778479][ T6889] ? do_futex+0x1a30/0x1a30 [ 83.782981][ T6889] ? check_preemption_disabled+0x50/0x130 [ 83.788702][ T6889] exit_to_user_mode_prepare+0x194/0x1f0 [ 83.794316][ T6889] syscall_exit_to_user_mode+0x7a/0x2c0 [ 83.799840][ T6889] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.805722][ T6889] RIP: 0033:0x446769 [ 83.809596][ T6889] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.829181][ T6889] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 83.837570][ T6889] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 83.845518][ T6889] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 83.853466][ T6889] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 83.861426][ T6889] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 83.869409][ T6889] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 84.032613][ T6891] FAULT_INJECTION: forcing a failure. [ 84.032613][ T6891] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.046214][ T6891] CPU: 1 PID: 6891 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 84.056098][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.066146][ T6891] Call Trace: [ 84.069430][ T6891] dump_stack+0x198/0x1fb [ 84.073752][ T6891] should_fail.cold+0x5/0xa [ 84.078252][ T6891] __alloc_pages_nodemask+0x189/0x730 [ 84.083630][ T6891] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 84.090392][ T6891] ? lock_is_held_type+0xbb/0xf0 [ 84.095334][ T6891] alloc_pages_current+0x191/0x2a0 [ 84.100501][ T6891] mm_get_huge_zero_page+0x14a/0x330 [ 84.105979][ T6891] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 84.111799][ T6891] handle_mm_fault+0x3644/0x4530 [ 84.116735][ T6891] ? vm_iomap_memory+0x190/0x190 [ 84.121662][ T6891] ? vmacache_update+0xce/0x140 [ 84.126499][ T6891] do_user_addr_fault+0x598/0xbf0 [ 84.131513][ T6891] exc_page_fault+0xa8/0x190 [ 84.136090][ T6891] asm_exc_page_fault+0x1e/0x30 [ 84.140924][ T6891] RIP: 0010:__get_user_8+0x18/0x33 [ 84.146018][ T6891] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 84.165625][ T6891] RSP: 0018:ffffc9000114ff18 EFLAGS: 00010202 [ 84.171793][ T6891] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 84.179756][ T6891] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 84.187708][ T6891] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88802778ae88 [ 84.195681][ T6891] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 84.203632][ T6891] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 84.211604][ T6891] ? __x64_sys_io_setup+0x80/0x230 [ 84.216715][ T6891] ? __x64_sys_io_setup+0x8e/0x230 [ 84.221810][ T6891] __x64_sys_io_setup+0x96/0x230 [ 84.226747][ T6891] do_syscall_64+0x2d/0x70 [ 84.231156][ T6891] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.237033][ T6891] RIP: 0033:0x446769 [ 84.240933][ T6891] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.260524][ T6891] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 84.268922][ T6891] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 84.276919][ T6891] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 84.284885][ T6891] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 84.292839][ T6891] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 84.300836][ T6891] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 84.335812][ T6892] FAULT_INJECTION: forcing a failure. [ 84.335812][ T6892] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 84.349401][ T6892] CPU: 1 PID: 6892 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 84.359428][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.369472][ T6892] Call Trace: [ 84.372755][ T6892] dump_stack+0x198/0x1fb [ 84.377176][ T6892] should_fail.cold+0x5/0xa [ 84.381664][ T6892] exit_robust_list+0x130/0x350 [ 84.386499][ T6892] futex_exit_release+0x183/0x220 [ 84.391507][ T6892] exit_mm_release+0x16/0x30 [ 84.396077][ T6892] do_exit+0x60d/0x2930 [ 84.400232][ T6892] ? lock_is_held_type+0xbb/0xf0 [ 84.405153][ T6892] ? find_held_lock+0x2d/0x110 [ 84.409894][ T6892] ? mm_update_next_owner+0x7a0/0x7a0 [ 84.415246][ T6892] ? lock_downgrade+0x830/0x830 [ 84.420076][ T6892] ? do_raw_spin_lock+0x120/0x2b0 [ 84.425080][ T6892] ? lock_is_held_type+0xbb/0xf0 [ 84.430000][ T6892] do_group_exit+0x125/0x310 [ 84.434606][ T6892] get_signal+0x428/0x1f00 [ 84.439005][ T6892] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 84.444979][ T6892] arch_do_signal+0x82/0x2470 [ 84.449636][ T6892] ? lock_is_held_type+0xbb/0xf0 [ 84.454566][ T6892] ? find_held_lock+0x2d/0x110 [ 84.459333][ T6892] ? copy_siginfo_to_user32+0xa0/0xa0 [ 84.464703][ T6892] ? __x64_sys_futex+0x378/0x4e0 [ 84.469617][ T6892] ? __x64_sys_futex+0x382/0x4e0 [ 84.474531][ T6892] ? do_futex+0x1a30/0x1a30 [ 84.479017][ T6892] ? check_preemption_disabled+0x50/0x130 [ 84.484734][ T6892] exit_to_user_mode_prepare+0x194/0x1f0 [ 84.490361][ T6892] syscall_exit_to_user_mode+0x7a/0x2c0 [ 84.495892][ T6892] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.501762][ T6892] RIP: 0033:0x446769 [ 84.505636][ T6892] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.525248][ T6892] RSP: 002b:00007f51c77c3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 84.533643][ T6892] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446769 [ 84.541595][ T6892] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 84.549547][ T6892] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 84.557498][ T6892] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 84.565462][ T6892] R13: 00007ffe36a84a0f R14: 00007f51c77c49c0 R15: 0000000000000001 executing program [ 84.781514][ T6894] FAULT_INJECTION: forcing a failure. [ 84.781514][ T6894] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.794826][ T6894] CPU: 1 PID: 6894 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 84.804704][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.814765][ T6894] Call Trace: [ 84.818073][ T6894] dump_stack+0x198/0x1fb [ 84.822398][ T6894] should_fail.cold+0x5/0xa [ 84.826890][ T6894] __alloc_pages_nodemask+0x189/0x730 [ 84.832247][ T6894] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 84.839079][ T6894] ? lock_is_held_type+0xbb/0xf0 [ 84.844016][ T6894] alloc_pages_current+0x191/0x2a0 [ 84.849111][ T6894] mm_get_huge_zero_page+0x14a/0x330 [ 84.854414][ T6894] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 84.860212][ T6894] handle_mm_fault+0x3644/0x4530 [ 84.865166][ T6894] ? vm_iomap_memory+0x190/0x190 [ 84.870118][ T6894] ? vmacache_update+0xce/0x140 [ 84.874963][ T6894] do_user_addr_fault+0x598/0xbf0 [ 84.879991][ T6894] exc_page_fault+0xa8/0x190 [ 84.884581][ T6894] asm_exc_page_fault+0x1e/0x30 [ 84.889456][ T6894] RIP: 0010:__get_user_8+0x18/0x33 [ 84.894552][ T6894] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 84.914162][ T6894] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 84.920214][ T6894] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 84.928173][ T6894] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 84.936125][ T6894] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88803473e988 [ 84.944083][ T6894] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 84.952046][ T6894] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 84.960030][ T6894] ? __x64_sys_io_setup+0x80/0x230 [ 84.965123][ T6894] ? __x64_sys_io_setup+0x8e/0x230 [ 84.970218][ T6894] __x64_sys_io_setup+0x96/0x230 [ 84.975144][ T6894] do_syscall_64+0x2d/0x70 [ 84.979559][ T6894] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.985431][ T6894] RIP: 0033:0x446769 [ 84.989319][ T6894] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.008907][ T6894] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 85.017386][ T6894] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 85.025339][ T6894] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 85.033290][ T6894] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 85.041243][ T6894] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.049215][ T6894] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 85.148228][ T6894] FAULT_INJECTION: forcing a failure. [ 85.148228][ T6894] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.161592][ T6894] CPU: 0 PID: 6894 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 85.171489][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.181542][ T6894] Call Trace: [ 85.184831][ T6894] dump_stack+0x198/0x1fb [ 85.189154][ T6894] should_fail.cold+0x5/0xa [ 85.193654][ T6894] ? lock_acquire+0x1f2/0xaa0 [ 85.198321][ T6894] __alloc_pages_nodemask+0x189/0x730 [ 85.203675][ T6894] ? lock_release+0x890/0x890 [ 85.208334][ T6894] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 85.215078][ T6894] ? unlock_page_memcg+0x9f/0x160 [ 85.220114][ T6894] alloc_pages_current+0x191/0x2a0 [ 85.225309][ T6894] __get_free_pages+0x8/0x40 [ 85.229892][ T6894] __tlb_remove_page_size+0x253/0x420 [ 85.235329][ T6894] unmap_page_range+0x101c/0x2b50 [ 85.240354][ T6894] ? unmap_vmas+0x126/0x2e0 [ 85.244837][ T6894] ? vm_normal_page_pmd+0x5b0/0x5b0 [ 85.250017][ T6894] ? lock_downgrade+0x830/0x830 [ 85.254847][ T6894] ? uprobe_munmap+0x1c/0x560 [ 85.259508][ T6894] unmap_single_vma+0x198/0x300 [ 85.264878][ T6894] unmap_vmas+0x168/0x2e0 [ 85.269200][ T6894] ? zap_vma_ptes+0x100/0x100 [ 85.273867][ T6894] exit_mmap+0x2b1/0x530 [ 85.278226][ T6894] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 85.284208][ T6894] ? check_preemption_disabled+0x50/0x130 [ 85.289938][ T6894] ? kmem_cache_free.part.0+0x19f/0x1d0 [ 85.295512][ T6894] ? __khugepaged_exit+0x2d9/0x3f0 [ 85.300632][ T6894] __mmput+0x122/0x470 [ 85.304706][ T6894] mmput+0x53/0x60 [ 85.308470][ T6894] do_exit+0xa31/0x2930 [ 85.312722][ T6894] ? lock_is_held_type+0xbb/0xf0 [ 85.317658][ T6894] ? find_held_lock+0x2d/0x110 [ 85.322427][ T6894] ? mm_update_next_owner+0x7a0/0x7a0 [ 85.327803][ T6894] ? lock_downgrade+0x830/0x830 [ 85.332666][ T6894] ? do_raw_spin_lock+0x120/0x2b0 [ 85.337729][ T6894] ? lock_is_held_type+0xbb/0xf0 [ 85.342668][ T6894] do_group_exit+0x125/0x310 [ 85.347262][ T6894] get_signal+0x428/0x1f00 [ 85.351701][ T6894] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 85.357688][ T6894] arch_do_signal+0x82/0x2470 [ 85.362371][ T6894] ? lock_is_held_type+0xbb/0xf0 [ 85.367317][ T6894] ? find_held_lock+0x2d/0x110 [ 85.372096][ T6894] ? copy_siginfo_to_user32+0xa0/0xa0 [ 85.377478][ T6894] ? __x64_sys_futex+0x378/0x4e0 [ 85.382424][ T6894] ? __x64_sys_futex+0x382/0x4e0 [ 85.387438][ T6894] ? do_futex+0x1a30/0x1a30 [ 85.391947][ T6894] ? check_preemption_disabled+0x50/0x130 [ 85.397703][ T6894] exit_to_user_mode_prepare+0x194/0x1f0 [ 85.403344][ T6894] syscall_exit_to_user_mode+0x7a/0x2c0 [ 85.408901][ T6894] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.414798][ T6894] RIP: 0033:0x446769 [ 85.418685][ T6894] Code: Unable to access opcode bytes at RIP 0x44673f. [ 85.425532][ T6894] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 85.434016][ T6894] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 executing program [ 85.441977][ T6894] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 85.449933][ T6894] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 85.457888][ T6894] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.465842][ T6894] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 85.480560][ T6896] FAULT_INJECTION: forcing a failure. [ 85.480560][ T6896] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.493946][ T6896] CPU: 0 PID: 6896 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 85.503847][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.513900][ T6896] Call Trace: [ 85.517179][ T6896] dump_stack+0x198/0x1fb [ 85.521494][ T6896] should_fail.cold+0x5/0xa [ 85.525977][ T6896] __alloc_pages_nodemask+0x189/0x730 [ 85.531347][ T6896] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 85.538099][ T6896] ? lock_is_held_type+0xbb/0xf0 [ 85.543032][ T6896] alloc_pages_current+0x191/0x2a0 [ 85.548128][ T6896] mm_get_huge_zero_page+0x14a/0x330 [ 85.553393][ T6896] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 85.559274][ T6896] handle_mm_fault+0x3644/0x4530 [ 85.564199][ T6896] ? vm_iomap_memory+0x190/0x190 [ 85.569121][ T6896] ? vmacache_update+0xce/0x140 [ 85.574041][ T6896] do_user_addr_fault+0x598/0xbf0 [ 85.579048][ T6896] exc_page_fault+0xa8/0x190 [ 85.583618][ T6896] asm_exc_page_fault+0x1e/0x30 [ 85.588446][ T6896] RIP: 0010:__get_user_8+0x18/0x33 [ 85.593531][ T6896] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 85.613116][ T6896] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 85.619164][ T6896] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 85.627133][ T6896] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 85.635082][ T6896] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880275dca08 [ 85.643044][ T6896] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 85.650996][ T6896] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 85.658960][ T6896] ? __x64_sys_io_setup+0x80/0x230 [ 85.664050][ T6896] ? __x64_sys_io_setup+0x8e/0x230 [ 85.669142][ T6896] __x64_sys_io_setup+0x96/0x230 [ 85.674080][ T6896] do_syscall_64+0x2d/0x70 [ 85.678495][ T6896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.684392][ T6896] RIP: 0033:0x446769 [ 85.688271][ T6896] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.708017][ T6896] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 85.716436][ T6896] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 85.724395][ T6896] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 85.732364][ T6896] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 85.740338][ T6896] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 85.748304][ T6896] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 85.783561][ T6896] FAULT_INJECTION: forcing a failure. [ 85.783561][ T6896] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 85.796803][ T6896] CPU: 0 PID: 6896 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 85.806684][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.816738][ T6896] Call Trace: [ 85.820018][ T6896] dump_stack+0x198/0x1fb [ 85.824356][ T6896] should_fail.cold+0x5/0xa [ 85.828866][ T6896] mm_release+0x241/0x360 [ 85.833178][ T6896] do_exit+0x60d/0x2930 [ 85.837319][ T6896] ? lock_is_held_type+0xbb/0xf0 [ 85.842239][ T6896] ? find_held_lock+0x2d/0x110 [ 85.846981][ T6896] ? mm_update_next_owner+0x7a0/0x7a0 [ 85.852334][ T6896] ? lock_downgrade+0x830/0x830 [ 85.857162][ T6896] ? do_raw_spin_lock+0x120/0x2b0 [ 85.862189][ T6896] ? lock_is_held_type+0xbb/0xf0 [ 85.867117][ T6896] do_group_exit+0x125/0x310 [ 85.871701][ T6896] get_signal+0x428/0x1f00 [ 85.876099][ T6896] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 85.882061][ T6896] arch_do_signal+0x82/0x2470 [ 85.886718][ T6896] ? lock_is_held_type+0xbb/0xf0 [ 85.891651][ T6896] ? find_held_lock+0x2d/0x110 [ 85.896399][ T6896] ? copy_siginfo_to_user32+0xa0/0xa0 [ 85.901854][ T6896] ? __x64_sys_futex+0x378/0x4e0 [ 85.906788][ T6896] ? __x64_sys_futex+0x382/0x4e0 [ 85.911709][ T6896] ? do_futex+0x1a30/0x1a30 [ 85.916198][ T6896] ? check_preemption_disabled+0x50/0x130 [ 85.921919][ T6896] exit_to_user_mode_prepare+0x194/0x1f0 [ 85.927550][ T6896] syscall_exit_to_user_mode+0x7a/0x2c0 [ 85.933082][ T6896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.938961][ T6896] RIP: 0033:0x446769 [ 85.942855][ T6896] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.962446][ T6896] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 85.970902][ T6896] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 85.978863][ T6896] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 85.986839][ T6896] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 85.994833][ T6896] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 86.002788][ T6896] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 86.101905][ T6898] FAULT_INJECTION: forcing a failure. [ 86.101905][ T6898] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.115169][ T6898] CPU: 0 PID: 6898 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 86.125052][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.135179][ T6898] Call Trace: [ 86.138459][ T6898] dump_stack+0x198/0x1fb [ 86.142772][ T6898] should_fail.cold+0x5/0xa [ 86.147264][ T6898] __alloc_pages_nodemask+0x189/0x730 [ 86.152620][ T6898] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 86.159365][ T6898] ? lock_is_held_type+0xbb/0xf0 [ 86.164290][ T6898] alloc_pages_current+0x191/0x2a0 [ 86.169386][ T6898] mm_get_huge_zero_page+0x14a/0x330 [ 86.174660][ T6898] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 86.180497][ T6898] handle_mm_fault+0x3644/0x4530 [ 86.185460][ T6898] ? vm_iomap_memory+0x190/0x190 [ 86.190423][ T6898] ? vmacache_update+0xce/0x140 [ 86.195262][ T6898] do_user_addr_fault+0x598/0xbf0 [ 86.200279][ T6898] exc_page_fault+0xa8/0x190 [ 86.204854][ T6898] asm_exc_page_fault+0x1e/0x30 [ 86.209785][ T6898] RIP: 0010:__get_user_8+0x18/0x33 [ 86.214980][ T6898] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 86.234582][ T6898] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 86.240734][ T6898] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 86.248699][ T6898] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 86.256665][ T6898] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888034a5ca88 [ 86.264619][ T6898] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 86.272675][ T6898] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 86.280662][ T6898] ? __x64_sys_io_setup+0x80/0x230 [ 86.285770][ T6898] ? __x64_sys_io_setup+0x8e/0x230 [ 86.290882][ T6898] __x64_sys_io_setup+0x96/0x230 [ 86.295853][ T6898] do_syscall_64+0x2d/0x70 [ 86.300338][ T6898] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.306211][ T6898] RIP: 0033:0x446769 [ 86.310091][ T6898] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.329803][ T6898] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 86.338202][ T6898] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 86.346200][ T6898] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 86.354153][ T6898] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 86.362308][ T6898] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 86.370340][ T6898] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 86.398868][ T6898] FAULT_INJECTION: forcing a failure. [ 86.398868][ T6898] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 86.418050][ T6898] CPU: 0 PID: 6898 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 86.428040][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.438140][ T6898] Call Trace: [ 86.441421][ T6898] dump_stack+0x198/0x1fb [ 86.445740][ T6898] should_fail.cold+0x5/0xa [ 86.450333][ T6898] mm_release+0x241/0x360 [ 86.454643][ T6898] do_exit+0x60d/0x2930 [ 86.458807][ T6898] ? lock_is_held_type+0xbb/0xf0 [ 86.463724][ T6898] ? find_held_lock+0x2d/0x110 [ 86.468468][ T6898] ? mm_update_next_owner+0x7a0/0x7a0 [ 86.473825][ T6898] ? lock_downgrade+0x830/0x830 [ 86.478679][ T6898] ? do_raw_spin_lock+0x120/0x2b0 [ 86.483694][ T6898] ? lock_is_held_type+0xbb/0xf0 [ 86.488612][ T6898] do_group_exit+0x125/0x310 [ 86.493184][ T6898] get_signal+0x428/0x1f00 [ 86.497585][ T6898] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 86.503544][ T6898] arch_do_signal+0x82/0x2470 [ 86.508201][ T6898] ? lock_is_held_type+0xbb/0xf0 [ 86.513115][ T6898] ? find_held_lock+0x2d/0x110 [ 86.517857][ T6898] ? copy_siginfo_to_user32+0xa0/0xa0 [ 86.523212][ T6898] ? __x64_sys_futex+0x378/0x4e0 [ 86.528129][ T6898] ? __x64_sys_futex+0x382/0x4e0 [ 86.533141][ T6898] ? do_futex+0x1a30/0x1a30 [ 86.537626][ T6898] ? check_preemption_disabled+0x50/0x130 [ 86.543345][ T6898] exit_to_user_mode_prepare+0x194/0x1f0 [ 86.548980][ T6898] syscall_exit_to_user_mode+0x7a/0x2c0 [ 86.554523][ T6898] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.560498][ T6898] RIP: 0033:0x446769 [ 86.564376][ T6898] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.584184][ T6898] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 86.592585][ T6898] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 86.600538][ T6898] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 86.608493][ T6898] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 86.616450][ T6898] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 86.624406][ T6898] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 86.721501][ T6900] FAULT_INJECTION: forcing a failure. [ 86.721501][ T6900] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.734878][ T6900] CPU: 0 PID: 6900 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 86.744752][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.754790][ T6900] Call Trace: [ 86.758119][ T6900] dump_stack+0x198/0x1fb [ 86.762559][ T6900] should_fail.cold+0x5/0xa [ 86.767081][ T6900] __alloc_pages_nodemask+0x189/0x730 [ 86.772463][ T6900] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 86.779324][ T6900] ? lock_is_held_type+0xbb/0xf0 [ 86.784262][ T6900] alloc_pages_current+0x191/0x2a0 [ 86.789362][ T6900] mm_get_huge_zero_page+0x14a/0x330 [ 86.794650][ T6900] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 86.800470][ T6900] handle_mm_fault+0x3644/0x4530 [ 86.805394][ T6900] ? vm_iomap_memory+0x190/0x190 [ 86.810321][ T6900] ? vmacache_update+0xce/0x140 [ 86.815173][ T6900] do_user_addr_fault+0x598/0xbf0 [ 86.820188][ T6900] exc_page_fault+0xa8/0x190 [ 86.824779][ T6900] asm_exc_page_fault+0x1e/0x30 [ 86.829614][ T6900] RIP: 0010:__get_user_8+0x18/0x33 [ 86.834710][ T6900] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 86.854299][ T6900] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 86.860351][ T6900] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 86.868323][ T6900] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 86.876294][ T6900] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880348a8b08 [ 86.884247][ T6900] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 86.892211][ T6900] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 86.900455][ T6900] ? __x64_sys_io_setup+0x80/0x230 [ 86.905547][ T6900] ? __x64_sys_io_setup+0x8e/0x230 [ 86.910649][ T6900] __x64_sys_io_setup+0x96/0x230 [ 86.915764][ T6900] do_syscall_64+0x2d/0x70 [ 86.920164][ T6900] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.926053][ T6900] RIP: 0033:0x446769 [ 86.929952][ T6900] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.949664][ T6900] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 86.958169][ T6900] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 86.966133][ T6900] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 86.974096][ T6900] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 86.982051][ T6900] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 86.990018][ T6900] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 87.022416][ T6900] FAULT_INJECTION: forcing a failure. [ 87.022416][ T6900] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 87.042069][ T6900] CPU: 0 PID: 6900 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 87.051991][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.062037][ T6900] Call Trace: [ 87.065334][ T6900] dump_stack+0x198/0x1fb [ 87.069663][ T6900] should_fail.cold+0x5/0xa [ 87.074163][ T6900] mm_release+0x241/0x360 [ 87.078549][ T6900] do_exit+0x60d/0x2930 [ 87.082704][ T6900] ? lock_is_held_type+0xbb/0xf0 [ 87.087624][ T6900] ? find_held_lock+0x2d/0x110 [ 87.092375][ T6900] ? mm_update_next_owner+0x7a0/0x7a0 [ 87.097735][ T6900] ? lock_downgrade+0x830/0x830 [ 87.102571][ T6900] ? do_raw_spin_lock+0x120/0x2b0 [ 87.107578][ T6900] ? lock_is_held_type+0xbb/0xf0 [ 87.112504][ T6900] do_group_exit+0x125/0x310 [ 87.117107][ T6900] get_signal+0x428/0x1f00 [ 87.121515][ T6900] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 87.127480][ T6900] arch_do_signal+0x82/0x2470 [ 87.132168][ T6900] ? lock_is_held_type+0xbb/0xf0 [ 87.137192][ T6900] ? find_held_lock+0x2d/0x110 [ 87.142029][ T6900] ? copy_siginfo_to_user32+0xa0/0xa0 [ 87.147435][ T6900] ? __x64_sys_futex+0x378/0x4e0 [ 87.152492][ T6900] ? __x64_sys_futex+0x382/0x4e0 [ 87.157461][ T6900] ? do_futex+0x1a30/0x1a30 [ 87.161970][ T6900] ? check_preemption_disabled+0x50/0x130 [ 87.167679][ T6900] exit_to_user_mode_prepare+0x194/0x1f0 [ 87.173315][ T6900] syscall_exit_to_user_mode+0x7a/0x2c0 [ 87.178855][ T6900] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.184732][ T6900] RIP: 0033:0x446769 [ 87.188615][ T6900] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.208219][ T6900] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 87.216655][ T6900] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 87.224611][ T6900] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 87.232566][ T6900] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 87.240519][ T6900] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 87.248524][ T6900] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 87.341812][ T6902] FAULT_INJECTION: forcing a failure. [ 87.341812][ T6902] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.355467][ T6902] CPU: 0 PID: 6902 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 87.365715][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.375853][ T6902] Call Trace: [ 87.379157][ T6902] dump_stack+0x198/0x1fb [ 87.383527][ T6902] should_fail.cold+0x5/0xa [ 87.388077][ T6902] __alloc_pages_nodemask+0x189/0x730 [ 87.393453][ T6902] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 87.400213][ T6902] ? lock_is_held_type+0xbb/0xf0 [ 87.405158][ T6902] alloc_pages_current+0x191/0x2a0 [ 87.410368][ T6902] mm_get_huge_zero_page+0x14a/0x330 [ 87.415640][ T6902] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 87.421535][ T6902] handle_mm_fault+0x3644/0x4530 [ 87.426485][ T6902] ? vm_iomap_memory+0x190/0x190 [ 87.431512][ T6902] ? vmacache_update+0xce/0x140 [ 87.436349][ T6902] do_user_addr_fault+0x598/0xbf0 [ 87.441364][ T6902] exc_page_fault+0xa8/0x190 [ 87.445940][ T6902] asm_exc_page_fault+0x1e/0x30 [ 87.450784][ T6902] RIP: 0010:__get_user_8+0x18/0x33 [ 87.455878][ T6902] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 87.475554][ T6902] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 87.481605][ T6902] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 87.489559][ T6902] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 87.497606][ T6902] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880348d6b88 [ 87.505581][ T6902] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 87.513625][ T6902] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 87.521600][ T6902] ? __x64_sys_io_setup+0x80/0x230 [ 87.526696][ T6902] ? __x64_sys_io_setup+0x8e/0x230 [ 87.531813][ T6902] __x64_sys_io_setup+0x96/0x230 [ 87.536737][ T6902] do_syscall_64+0x2d/0x70 [ 87.541166][ T6902] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.547134][ T6902] RIP: 0033:0x446769 [ 87.551019][ T6902] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.570829][ T6902] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 87.579245][ T6902] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 87.587212][ T6902] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 87.595177][ T6902] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 87.603129][ T6902] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 87.611095][ T6902] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 87.639625][ T6902] FAULT_INJECTION: forcing a failure. [ 87.639625][ T6902] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 87.653028][ T6902] CPU: 1 PID: 6902 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 87.663168][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.673274][ T6902] Call Trace: [ 87.676579][ T6902] dump_stack+0x198/0x1fb [ 87.680948][ T6902] should_fail.cold+0x5/0xa [ 87.685441][ T6902] mm_release+0x241/0x360 [ 87.689766][ T6902] do_exit+0x60d/0x2930 [ 87.693910][ T6902] ? lock_is_held_type+0xbb/0xf0 [ 87.698839][ T6902] ? find_held_lock+0x2d/0x110 [ 87.703590][ T6902] ? mm_update_next_owner+0x7a0/0x7a0 [ 87.709005][ T6902] ? lock_downgrade+0x830/0x830 [ 87.713843][ T6902] ? do_raw_spin_lock+0x120/0x2b0 [ 87.718869][ T6902] ? lock_is_held_type+0xbb/0xf0 [ 87.723791][ T6902] do_group_exit+0x125/0x310 [ 87.728364][ T6902] get_signal+0x428/0x1f00 [ 87.732793][ T6902] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 87.738775][ T6902] arch_do_signal+0x82/0x2470 [ 87.743457][ T6902] ? lock_is_held_type+0xbb/0xf0 [ 87.748388][ T6902] ? find_held_lock+0x2d/0x110 [ 87.753145][ T6902] ? copy_siginfo_to_user32+0xa0/0xa0 [ 87.758497][ T6902] ? __x64_sys_futex+0x378/0x4e0 [ 87.763429][ T6902] ? __x64_sys_futex+0x382/0x4e0 [ 87.768368][ T6902] ? do_futex+0x1a30/0x1a30 [ 87.772856][ T6902] ? check_preemption_disabled+0x50/0x130 [ 87.778574][ T6902] exit_to_user_mode_prepare+0x194/0x1f0 [ 87.784326][ T6902] syscall_exit_to_user_mode+0x7a/0x2c0 [ 87.789858][ T6902] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.795733][ T6902] RIP: 0033:0x446769 [ 87.799708][ T6902] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.819605][ T6902] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 87.828088][ T6902] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 87.836044][ T6902] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 87.844450][ T6902] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 87.852409][ T6902] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 87.860387][ T6902] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 87.972799][ T6904] FAULT_INJECTION: forcing a failure. [ 87.972799][ T6904] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.986075][ T6904] CPU: 1 PID: 6904 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 87.995947][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.006026][ T6904] Call Trace: [ 88.009348][ T6904] dump_stack+0x198/0x1fb [ 88.013685][ T6904] should_fail.cold+0x5/0xa [ 88.018215][ T6904] __alloc_pages_nodemask+0x189/0x730 [ 88.023828][ T6904] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 88.030633][ T6904] ? lock_is_held_type+0xbb/0xf0 [ 88.035566][ T6904] alloc_pages_current+0x191/0x2a0 [ 88.040672][ T6904] mm_get_huge_zero_page+0x14a/0x330 [ 88.045948][ T6904] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 88.051761][ T6904] handle_mm_fault+0x3644/0x4530 [ 88.056686][ T6904] ? vm_iomap_memory+0x190/0x190 [ 88.061625][ T6904] ? vmacache_update+0xce/0x140 [ 88.066464][ T6904] do_user_addr_fault+0x598/0xbf0 [ 88.071479][ T6904] exc_page_fault+0xa8/0x190 [ 88.076075][ T6904] asm_exc_page_fault+0x1e/0x30 [ 88.080928][ T6904] RIP: 0010:__get_user_8+0x18/0x33 [ 88.086045][ T6904] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 88.105657][ T6904] RSP: 0018:ffffc90005497f18 EFLAGS: 00010202 [ 88.111739][ T6904] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 88.119803][ T6904] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 88.127762][ T6904] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888034e0ac08 [ 88.135736][ T6904] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 88.143719][ T6904] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 88.151696][ T6904] ? __x64_sys_io_setup+0x80/0x230 [ 88.156867][ T6904] ? __x64_sys_io_setup+0x8e/0x230 [ 88.162039][ T6904] __x64_sys_io_setup+0x96/0x230 [ 88.167029][ T6904] do_syscall_64+0x2d/0x70 [ 88.171438][ T6904] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.177316][ T6904] RIP: 0033:0x446769 [ 88.181203][ T6904] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.201101][ T6904] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 88.209637][ T6904] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 88.217674][ T6904] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 88.225765][ T6904] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 88.233741][ T6904] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 88.241746][ T6904] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 88.272470][ T6904] FAULT_INJECTION: forcing a failure. [ 88.272470][ T6904] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 88.285944][ T6904] CPU: 0 PID: 6904 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 88.295843][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.305918][ T6904] Call Trace: [ 88.309236][ T6904] dump_stack+0x198/0x1fb [ 88.313551][ T6904] should_fail.cold+0x5/0xa [ 88.318080][ T6904] mm_release+0x241/0x360 [ 88.322406][ T6904] do_exit+0x60d/0x2930 [ 88.326546][ T6904] ? lock_is_held_type+0xbb/0xf0 [ 88.331465][ T6904] ? find_held_lock+0x2d/0x110 [ 88.336240][ T6904] ? mm_update_next_owner+0x7a0/0x7a0 [ 88.342115][ T6904] ? lock_downgrade+0x830/0x830 [ 88.346963][ T6904] ? do_raw_spin_lock+0x120/0x2b0 [ 88.351972][ T6904] ? lock_is_held_type+0xbb/0xf0 [ 88.356894][ T6904] do_group_exit+0x125/0x310 [ 88.361510][ T6904] get_signal+0x428/0x1f00 [ 88.365920][ T6904] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 88.371884][ T6904] arch_do_signal+0x82/0x2470 [ 88.376637][ T6904] ? lock_is_held_type+0xbb/0xf0 [ 88.381554][ T6904] ? find_held_lock+0x2d/0x110 [ 88.386304][ T6904] ? copy_siginfo_to_user32+0xa0/0xa0 [ 88.391691][ T6904] ? __x64_sys_futex+0x378/0x4e0 [ 88.396607][ T6904] ? __x64_sys_futex+0x382/0x4e0 [ 88.401523][ T6904] ? do_futex+0x1a30/0x1a30 [ 88.406018][ T6904] ? check_preemption_disabled+0x50/0x130 [ 88.411719][ T6904] exit_to_user_mode_prepare+0x194/0x1f0 [ 88.417342][ T6904] syscall_exit_to_user_mode+0x7a/0x2c0 [ 88.422878][ T6904] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.428761][ T6904] RIP: 0033:0x446769 [ 88.432638][ T6904] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.452231][ T6904] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 88.460637][ T6904] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 88.468590][ T6904] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 88.476541][ T6904] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 88.484493][ T6904] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 88.492443][ T6904] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 88.601969][ T6906] FAULT_INJECTION: forcing a failure. [ 88.601969][ T6906] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.615235][ T6906] CPU: 0 PID: 6906 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 88.625110][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.635149][ T6906] Call Trace: [ 88.638454][ T6906] dump_stack+0x198/0x1fb [ 88.642875][ T6906] should_fail.cold+0x5/0xa [ 88.647479][ T6906] __alloc_pages_nodemask+0x189/0x730 [ 88.652844][ T6906] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 88.659617][ T6906] ? lock_is_held_type+0xbb/0xf0 [ 88.664549][ T6906] alloc_pages_current+0x191/0x2a0 [ 88.669665][ T6906] mm_get_huge_zero_page+0x14a/0x330 [ 88.675100][ T6906] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 88.680901][ T6906] handle_mm_fault+0x3644/0x4530 [ 88.685835][ T6906] ? vm_iomap_memory+0x190/0x190 [ 88.690821][ T6906] ? vmacache_update+0xce/0x140 [ 88.695691][ T6906] do_user_addr_fault+0x598/0xbf0 [ 88.700714][ T6906] exc_page_fault+0xa8/0x190 [ 88.705302][ T6906] asm_exc_page_fault+0x1e/0x30 [ 88.710154][ T6906] RIP: 0010:__get_user_8+0x18/0x33 [ 88.716880][ T6906] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 88.736589][ T6906] RSP: 0018:ffffc900054a7f18 EFLAGS: 00010202 [ 88.742660][ T6906] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 88.750618][ T6906] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 88.758590][ T6906] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888011a48c88 [ 88.766545][ T6906] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 88.774512][ T6906] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 88.782489][ T6906] ? __x64_sys_io_setup+0x80/0x230 [ 88.787586][ T6906] ? __x64_sys_io_setup+0x8e/0x230 [ 88.792772][ T6906] __x64_sys_io_setup+0x96/0x230 [ 88.797718][ T6906] do_syscall_64+0x2d/0x70 [ 88.802201][ T6906] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.808078][ T6906] RIP: 0033:0x446769 [ 88.811960][ T6906] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.831852][ T6906] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 88.840254][ T6906] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 88.848341][ T6906] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 88.856293][ T6906] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 88.864278][ T6906] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 88.872247][ T6906] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 88.900380][ T6906] FAULT_INJECTION: forcing a failure. [ 88.900380][ T6906] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 88.913520][ T6906] CPU: 1 PID: 6906 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 88.923406][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.933649][ T6906] Call Trace: [ 88.937235][ T6906] dump_stack+0x198/0x1fb [ 88.941742][ T6906] should_fail.cold+0x5/0xa [ 88.946255][ T6906] mm_release+0x241/0x360 [ 88.950844][ T6906] do_exit+0x60d/0x2930 [ 88.954997][ T6906] ? lock_is_held_type+0xbb/0xf0 [ 88.960044][ T6906] ? find_held_lock+0x2d/0x110 [ 88.964835][ T6906] ? mm_update_next_owner+0x7a0/0x7a0 [ 88.970233][ T6906] ? lock_downgrade+0x830/0x830 [ 88.975076][ T6906] ? do_raw_spin_lock+0x120/0x2b0 [ 88.980132][ T6906] ? lock_is_held_type+0xbb/0xf0 [ 88.985055][ T6906] do_group_exit+0x125/0x310 [ 88.989720][ T6906] get_signal+0x428/0x1f00 [ 88.995256][ T6906] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 89.001221][ T6906] arch_do_signal+0x82/0x2470 [ 89.005885][ T6906] ? lock_is_held_type+0xbb/0xf0 [ 89.010812][ T6906] ? find_held_lock+0x2d/0x110 [ 89.015559][ T6906] ? copy_siginfo_to_user32+0xa0/0xa0 [ 89.020916][ T6906] ? __x64_sys_futex+0x378/0x4e0 [ 89.025921][ T6906] ? __x64_sys_futex+0x382/0x4e0 [ 89.030841][ T6906] ? do_futex+0x1a30/0x1a30 [ 89.035330][ T6906] ? check_preemption_disabled+0x50/0x130 [ 89.041040][ T6906] exit_to_user_mode_prepare+0x194/0x1f0 [ 89.047331][ T6906] syscall_exit_to_user_mode+0x7a/0x2c0 [ 89.052878][ T6906] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.058817][ T6906] RIP: 0033:0x446769 [ 89.062860][ T6906] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.082549][ T6906] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 89.091007][ T6906] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 89.098982][ T6906] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 89.106948][ T6906] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 89.114927][ T6906] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 89.122920][ T6906] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 89.241657][ T6908] FAULT_INJECTION: forcing a failure. [ 89.241657][ T6908] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.255324][ T6908] CPU: 1 PID: 6908 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 89.265309][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.275467][ T6908] Call Trace: [ 89.278852][ T6908] dump_stack+0x198/0x1fb [ 89.283308][ T6908] should_fail.cold+0x5/0xa [ 89.287941][ T6908] __alloc_pages_nodemask+0x189/0x730 [ 89.293396][ T6908] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 89.301482][ T6908] ? lock_is_held_type+0xbb/0xf0 [ 89.307024][ T6908] alloc_pages_current+0x191/0x2a0 [ 89.312146][ T6908] mm_get_huge_zero_page+0x14a/0x330 [ 89.317746][ T6908] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 89.323607][ T6908] handle_mm_fault+0x3644/0x4530 [ 89.328564][ T6908] ? vm_iomap_memory+0x190/0x190 [ 89.333692][ T6908] ? vmacache_update+0xce/0x140 [ 89.339555][ T6908] do_user_addr_fault+0x598/0xbf0 [ 89.344780][ T6908] exc_page_fault+0xa8/0x190 [ 89.349664][ T6908] asm_exc_page_fault+0x1e/0x30 [ 89.354809][ T6908] RIP: 0010:__get_user_8+0x18/0x33 [ 89.359961][ T6908] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 89.379747][ T6908] RSP: 0018:ffffc900054a7f18 EFLAGS: 00010202 [ 89.385805][ T6908] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 89.393775][ T6908] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 89.401750][ T6908] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88802fe1cd08 [ 89.409792][ T6908] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 89.417745][ T6908] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 89.425729][ T6908] ? __x64_sys_io_setup+0x80/0x230 [ 89.430850][ T6908] ? __x64_sys_io_setup+0x8e/0x230 [ 89.435961][ T6908] __x64_sys_io_setup+0x96/0x230 [ 89.440896][ T6908] do_syscall_64+0x2d/0x70 [ 89.445298][ T6908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.451169][ T6908] RIP: 0033:0x446769 [ 89.455045][ T6908] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.474635][ T6908] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 89.483045][ T6908] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 89.491017][ T6908] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 89.498976][ T6908] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 89.506933][ T6908] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 89.514886][ T6908] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 89.707965][ T6908] FAULT_INJECTION: forcing a failure. [ 89.707965][ T6908] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.721505][ T6908] CPU: 1 PID: 6908 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 89.731394][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.741443][ T6908] Call Trace: [ 89.744743][ T6908] dump_stack+0x198/0x1fb [ 89.749065][ T6908] should_fail.cold+0x5/0xa [ 89.753559][ T6908] ? lock_acquire+0x1f2/0xaa0 [ 89.758227][ T6908] __alloc_pages_nodemask+0x189/0x730 [ 89.763597][ T6908] ? lock_release+0x890/0x890 [ 89.768323][ T6908] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 89.775070][ T6908] ? unlock_page_memcg+0x9f/0x160 [ 89.780087][ T6908] alloc_pages_current+0x191/0x2a0 [ 89.785181][ T6908] __get_free_pages+0x8/0x40 [ 89.789752][ T6908] __tlb_remove_page_size+0x253/0x420 [ 89.795219][ T6908] unmap_page_range+0x101c/0x2b50 [ 89.800235][ T6908] ? unmap_vmas+0x126/0x2e0 [ 89.804774][ T6908] ? vm_normal_page_pmd+0x5b0/0x5b0 [ 89.809959][ T6908] ? lock_downgrade+0x830/0x830 [ 89.814787][ T6908] ? uprobe_munmap+0x1c/0x560 [ 89.819513][ T6908] unmap_single_vma+0x198/0x300 [ 89.824693][ T6908] unmap_vmas+0x168/0x2e0 [ 89.829175][ T6908] ? zap_vma_ptes+0x100/0x100 [ 89.833957][ T6908] exit_mmap+0x2b1/0x530 [ 89.838190][ T6908] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 89.844156][ T6908] ? check_preemption_disabled+0x50/0x130 [ 89.850016][ T6908] ? kmem_cache_free.part.0+0x19f/0x1d0 [ 89.855589][ T6908] ? __khugepaged_exit+0x2d9/0x3f0 [ 89.860698][ T6908] __mmput+0x122/0x470 [ 89.864920][ T6908] mmput+0x53/0x60 [ 89.868631][ T6908] do_exit+0xa31/0x2930 [ 89.872780][ T6908] ? lock_is_held_type+0xbb/0xf0 [ 89.877709][ T6908] ? find_held_lock+0x2d/0x110 [ 89.882464][ T6908] ? mm_update_next_owner+0x7a0/0x7a0 [ 89.887828][ T6908] ? lock_downgrade+0x830/0x830 [ 89.892697][ T6908] ? do_raw_spin_lock+0x120/0x2b0 [ 89.897706][ T6908] ? lock_is_held_type+0xbb/0xf0 [ 89.902631][ T6908] do_group_exit+0x125/0x310 [ 89.907204][ T6908] get_signal+0x428/0x1f00 [ 89.911613][ T6908] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 89.917576][ T6908] arch_do_signal+0x82/0x2470 [ 89.922256][ T6908] ? lock_is_held_type+0xbb/0xf0 [ 89.927174][ T6908] ? find_held_lock+0x2d/0x110 [ 89.931924][ T6908] ? copy_siginfo_to_user32+0xa0/0xa0 [ 89.937279][ T6908] ? __x64_sys_futex+0x378/0x4e0 [ 89.942281][ T6908] ? __x64_sys_futex+0x382/0x4e0 [ 89.947215][ T6908] ? do_futex+0x1a30/0x1a30 [ 89.951704][ T6908] ? check_preemption_disabled+0x50/0x130 [ 89.957431][ T6908] exit_to_user_mode_prepare+0x194/0x1f0 [ 89.963053][ T6908] syscall_exit_to_user_mode+0x7a/0x2c0 [ 89.968595][ T6908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.974475][ T6908] RIP: 0033:0x446769 [ 89.978352][ T6908] Code: Unable to access opcode bytes at RIP 0x44673f. [ 89.985192][ T6908] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 89.993593][ T6908] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 90.001546][ T6908] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 executing program [ 90.009519][ T6908] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 90.017476][ T6908] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 90.025436][ T6908] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 90.039847][ T6910] FAULT_INJECTION: forcing a failure. [ 90.039847][ T6910] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.053342][ T6910] CPU: 0 PID: 6910 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 90.063243][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.073433][ T6910] Call Trace: [ 90.076723][ T6910] dump_stack+0x198/0x1fb [ 90.081137][ T6910] should_fail.cold+0x5/0xa [ 90.085634][ T6910] __alloc_pages_nodemask+0x189/0x730 [ 90.091010][ T6910] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 90.097759][ T6910] ? lock_is_held_type+0xbb/0xf0 [ 90.102796][ T6910] alloc_pages_current+0x191/0x2a0 [ 90.107893][ T6910] mm_get_huge_zero_page+0x14a/0x330 [ 90.113179][ T6910] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 90.118971][ T6910] handle_mm_fault+0x3644/0x4530 [ 90.123982][ T6910] ? vm_iomap_memory+0x190/0x190 [ 90.129035][ T6910] ? vmacache_update+0xce/0x140 [ 90.133995][ T6910] do_user_addr_fault+0x598/0xbf0 [ 90.139439][ T6910] exc_page_fault+0xa8/0x190 [ 90.144013][ T6910] asm_exc_page_fault+0x1e/0x30 [ 90.148841][ T6910] RIP: 0010:__get_user_8+0x18/0x33 [ 90.155778][ T6910] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 90.176751][ T6910] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 90.183069][ T6910] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 90.191963][ T6910] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 90.200378][ T6910] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888010f7cd88 [ 90.210204][ T6910] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 90.218163][ T6910] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 90.226199][ T6910] ? __x64_sys_io_setup+0x80/0x230 [ 90.231616][ T6910] ? __x64_sys_io_setup+0x8e/0x230 [ 90.236878][ T6910] __x64_sys_io_setup+0x96/0x230 [ 90.241811][ T6910] do_syscall_64+0x2d/0x70 [ 90.246419][ T6910] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.252323][ T6910] RIP: 0033:0x446769 [ 90.256395][ T6910] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.275992][ T6910] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 90.284394][ T6910] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 90.292369][ T6910] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 90.300375][ T6910] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 90.308333][ T6910] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 90.316285][ T6910] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 90.344461][ T6910] FAULT_INJECTION: forcing a failure. [ 90.344461][ T6910] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 90.357978][ T6910] CPU: 0 PID: 6910 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 90.367874][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.378102][ T6910] Call Trace: [ 90.382476][ T6910] dump_stack+0x198/0x1fb [ 90.386804][ T6910] should_fail.cold+0x5/0xa [ 90.391315][ T6910] mm_release+0x241/0x360 [ 90.395638][ T6910] do_exit+0x60d/0x2930 [ 90.399850][ T6910] ? lock_is_held_type+0xbb/0xf0 [ 90.404773][ T6910] ? find_held_lock+0x2d/0x110 [ 90.409527][ T6910] ? mm_update_next_owner+0x7a0/0x7a0 [ 90.414898][ T6910] ? lock_downgrade+0x830/0x830 [ 90.419748][ T6910] ? do_raw_spin_lock+0x120/0x2b0 [ 90.424823][ T6910] ? lock_is_held_type+0xbb/0xf0 [ 90.429759][ T6910] do_group_exit+0x125/0x310 [ 90.434344][ T6910] get_signal+0x428/0x1f00 [ 90.438752][ T6910] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 90.444792][ T6910] arch_do_signal+0x82/0x2470 [ 90.449553][ T6910] ? lock_is_held_type+0xbb/0xf0 [ 90.454496][ T6910] ? find_held_lock+0x2d/0x110 [ 90.459250][ T6910] ? copy_siginfo_to_user32+0xa0/0xa0 [ 90.464706][ T6910] ? __x64_sys_futex+0x378/0x4e0 [ 90.469650][ T6910] ? __x64_sys_futex+0x382/0x4e0 [ 90.474588][ T6910] ? do_futex+0x1a30/0x1a30 [ 90.479094][ T6910] ? check_preemption_disabled+0x50/0x130 [ 90.484811][ T6910] exit_to_user_mode_prepare+0x194/0x1f0 [ 90.490450][ T6910] syscall_exit_to_user_mode+0x7a/0x2c0 [ 90.496040][ T6910] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.501946][ T6910] RIP: 0033:0x446769 [ 90.505861][ T6910] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.525456][ T6910] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 90.533858][ T6910] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 90.541815][ T6910] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 90.549789][ T6910] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 90.557783][ T6910] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 90.565749][ T6910] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 90.651617][ T6912] FAULT_INJECTION: forcing a failure. [ 90.651617][ T6912] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.664946][ T6912] CPU: 0 PID: 6912 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 90.675103][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.685411][ T6912] Call Trace: [ 90.688802][ T6912] dump_stack+0x198/0x1fb [ 90.693211][ T6912] should_fail.cold+0x5/0xa [ 90.697703][ T6912] __alloc_pages_nodemask+0x189/0x730 [ 90.703070][ T6912] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 90.709894][ T6912] ? lock_is_held_type+0xbb/0xf0 [ 90.714848][ T6912] alloc_pages_current+0x191/0x2a0 [ 90.719945][ T6912] mm_get_huge_zero_page+0x14a/0x330 [ 90.725207][ T6912] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 90.730998][ T6912] handle_mm_fault+0x3644/0x4530 [ 90.735925][ T6912] ? vm_iomap_memory+0x190/0x190 [ 90.740849][ T6912] ? vmacache_update+0xce/0x140 [ 90.745725][ T6912] do_user_addr_fault+0x598/0xbf0 [ 90.750734][ T6912] exc_page_fault+0xa8/0x190 [ 90.755306][ T6912] asm_exc_page_fault+0x1e/0x30 [ 90.760139][ T6912] RIP: 0010:__get_user_8+0x18/0x33 [ 90.765226][ T6912] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 90.784807][ T6912] RSP: 0018:ffffc9000114ff18 EFLAGS: 00010202 [ 90.790904][ T6912] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 90.798916][ T6912] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 90.806875][ T6912] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888010346c08 [ 90.814822][ T6912] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 90.822860][ T6912] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 90.830927][ T6912] ? __x64_sys_io_setup+0x80/0x230 [ 90.836027][ T6912] ? __x64_sys_io_setup+0x8e/0x230 [ 90.841174][ T6912] __x64_sys_io_setup+0x96/0x230 [ 90.846097][ T6912] do_syscall_64+0x2d/0x70 [ 90.850537][ T6912] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.856448][ T6912] RIP: 0033:0x446769 [ 90.860325][ T6912] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.880024][ T6912] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 90.888418][ T6912] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 90.896817][ T6912] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 90.905130][ T6912] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 90.913083][ T6912] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 90.921125][ T6912] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 90.942118][ T6913] FAULT_INJECTION: forcing a failure. [ 90.942118][ T6913] name failslab, interval 1, probability 0, space 0, times 0 [ 90.955126][ T6913] CPU: 1 PID: 6913 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 90.965032][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.975081][ T6913] Call Trace: [ 90.978374][ T6913] dump_stack+0x198/0x1fb [ 90.982748][ T6913] should_fail.cold+0x5/0xa [ 90.987234][ T6913] should_failslab+0x5/0x10 [ 90.991759][ T6913] kmem_cache_alloc+0x3c5/0x550 [ 90.996592][ T6913] ? check_preemption_disabled+0x50/0x130 [ 91.002292][ T6913] __d_alloc+0x2a/0x950 [ 91.006426][ T6913] d_alloc_pseudo+0x19/0x70 [ 91.010910][ T6913] alloc_file_pseudo+0xc6/0x250 [ 91.015739][ T6913] ? alloc_file+0x5a0/0x5a0 [ 91.020224][ T6913] ? do_raw_spin_unlock+0x171/0x230 [ 91.025414][ T6913] ioctx_alloc+0x53b/0x1d60 [ 91.029903][ T6913] ? aio_migratepage+0x9f0/0x9f0 [ 91.034859][ T6913] __x64_sys_io_setup+0xe9/0x230 [ 91.039781][ T6913] do_syscall_64+0x2d/0x70 [ 91.044180][ T6913] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.050090][ T6913] RIP: 0033:0x446769 [ 91.053966][ T6913] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.073550][ T6913] RSP: 002b:00007f51c77c3db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 91.082043][ T6913] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446769 [ 91.090012][ T6913] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 91.097977][ T6913] RBP: 00000000006dbc30 R08: 0000000000000001 R09: 0000000000000000 [ 91.106021][ T6913] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 91.113989][ T6913] R13: 00007ffe36a84a0f R14: 00007f51c77c49c0 R15: 0000000000000001 executing program [ 91.201086][ T6915] FAULT_INJECTION: forcing a failure. [ 91.201086][ T6915] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.214481][ T6915] CPU: 1 PID: 6915 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 91.224358][ T6915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.234391][ T6915] Call Trace: [ 91.237667][ T6915] dump_stack+0x198/0x1fb [ 91.242001][ T6915] should_fail.cold+0x5/0xa [ 91.246486][ T6915] __alloc_pages_nodemask+0x189/0x730 [ 91.251840][ T6915] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 91.258586][ T6915] ? lock_is_held_type+0xbb/0xf0 [ 91.263554][ T6915] alloc_pages_current+0x191/0x2a0 [ 91.268646][ T6915] mm_get_huge_zero_page+0x14a/0x330 [ 91.273950][ T6915] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 91.279794][ T6915] handle_mm_fault+0x3644/0x4530 [ 91.284757][ T6915] ? vm_iomap_memory+0x190/0x190 [ 91.289690][ T6915] ? vmacache_update+0xce/0x140 [ 91.294530][ T6915] do_user_addr_fault+0x598/0xbf0 [ 91.299540][ T6915] exc_page_fault+0xa8/0x190 [ 91.304116][ T6915] asm_exc_page_fault+0x1e/0x30 [ 91.308958][ T6915] RIP: 0010:__get_user_8+0x18/0x33 [ 91.314053][ T6915] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 91.333702][ T6915] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 91.339883][ T6915] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 91.347960][ T6915] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 91.355910][ T6915] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888021114948 [ 91.363872][ T6915] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 91.371866][ T6915] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 91.379833][ T6915] ? __x64_sys_io_setup+0x80/0x230 [ 91.384973][ T6915] ? __x64_sys_io_setup+0x8e/0x230 [ 91.390069][ T6915] __x64_sys_io_setup+0x96/0x230 [ 91.395027][ T6915] do_syscall_64+0x2d/0x70 [ 91.399425][ T6915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.405294][ T6915] RIP: 0033:0x446769 [ 91.409178][ T6915] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.429011][ T6915] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 91.437532][ T6915] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 91.445525][ T6915] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 91.453478][ T6915] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 91.461430][ T6915] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 91.469475][ T6915] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 91.503652][ T6915] FAULT_INJECTION: forcing a failure. [ 91.503652][ T6915] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 91.516976][ T6915] CPU: 1 PID: 6915 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 91.526848][ T6915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.536880][ T6915] Call Trace: [ 91.540156][ T6915] dump_stack+0x198/0x1fb [ 91.544467][ T6915] should_fail.cold+0x5/0xa [ 91.548951][ T6915] mm_release+0x241/0x360 [ 91.553303][ T6915] do_exit+0x60d/0x2930 [ 91.557443][ T6915] ? lock_is_held_type+0xbb/0xf0 [ 91.562361][ T6915] ? find_held_lock+0x2d/0x110 [ 91.567139][ T6915] ? mm_update_next_owner+0x7a0/0x7a0 [ 91.572508][ T6915] ? lock_downgrade+0x830/0x830 [ 91.577360][ T6915] ? do_raw_spin_lock+0x200/0x2b0 [ 91.582367][ T6915] ? lock_is_held_type+0xbb/0xf0 [ 91.587283][ T6915] do_group_exit+0x125/0x310 [ 91.591858][ T6915] get_signal+0x428/0x1f00 [ 91.596268][ T6915] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 91.602242][ T6915] arch_do_signal+0x82/0x2470 [ 91.606914][ T6915] ? lock_is_held_type+0xbb/0xf0 [ 91.611831][ T6915] ? find_held_lock+0x2d/0x110 [ 91.616575][ T6915] ? copy_siginfo_to_user32+0xa0/0xa0 [ 91.621928][ T6915] ? __x64_sys_futex+0x378/0x4e0 [ 91.626844][ T6915] ? __x64_sys_futex+0x382/0x4e0 [ 91.631763][ T6915] ? do_futex+0x1a30/0x1a30 [ 91.636250][ T6915] ? check_preemption_disabled+0x50/0x130 [ 91.641951][ T6915] exit_to_user_mode_prepare+0x194/0x1f0 [ 91.647568][ T6915] syscall_exit_to_user_mode+0x7a/0x2c0 [ 91.653112][ T6915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.659073][ T6915] RIP: 0033:0x446769 [ 91.662958][ T6915] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.682558][ T6915] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 91.690952][ T6915] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 91.698901][ T6915] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 91.706852][ T6915] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 91.714801][ T6915] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 91.722749][ T6915] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 91.891913][ T6917] FAULT_INJECTION: forcing a failure. [ 91.891913][ T6917] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.905201][ T6917] CPU: 0 PID: 6917 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 91.915124][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.925298][ T6917] Call Trace: [ 91.928576][ T6917] dump_stack+0x198/0x1fb [ 91.932888][ T6917] should_fail.cold+0x5/0xa [ 91.937375][ T6917] __alloc_pages_nodemask+0x189/0x730 [ 91.942755][ T6917] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 91.949506][ T6917] ? lock_is_held_type+0xbb/0xf0 [ 91.954442][ T6917] alloc_pages_current+0x191/0x2a0 [ 91.959986][ T6917] mm_get_huge_zero_page+0x14a/0x330 [ 91.966710][ T6917] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 91.972516][ T6917] handle_mm_fault+0x3644/0x4530 [ 91.977448][ T6917] ? vm_iomap_memory+0x190/0x190 [ 91.982421][ T6917] ? vmacache_update+0xce/0x140 [ 91.987259][ T6917] do_user_addr_fault+0x598/0xbf0 [ 91.993973][ T6917] exc_page_fault+0xa8/0x190 [ 91.998618][ T6917] asm_exc_page_fault+0x1e/0x30 [ 92.003507][ T6917] RIP: 0010:__get_user_8+0x18/0x33 [ 92.008604][ T6917] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 92.028416][ T6917] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 92.034472][ T6917] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 92.042493][ T6917] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 92.050469][ T6917] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888011cf2c08 [ 92.058429][ T6917] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 92.066387][ T6917] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 92.074373][ T6917] ? __x64_sys_io_setup+0x80/0x230 [ 92.079496][ T6917] ? __x64_sys_io_setup+0x8e/0x230 [ 92.084633][ T6917] __x64_sys_io_setup+0x96/0x230 [ 92.089581][ T6917] do_syscall_64+0x2d/0x70 [ 92.093987][ T6917] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.099886][ T6917] RIP: 0033:0x446769 [ 92.103782][ T6917] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.123416][ T6917] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 92.131820][ T6917] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 92.139801][ T6917] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 92.147769][ T6917] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 92.147818][ T6917] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 92.147827][ T6917] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 92.257844][ T6918] FAULT_INJECTION: forcing a failure. [ 92.257844][ T6918] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.271276][ T6918] CPU: 0 PID: 6918 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 92.281164][ T6918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.291218][ T6918] Call Trace: [ 92.294527][ T6918] dump_stack+0x198/0x1fb [ 92.298858][ T6918] should_fail.cold+0x5/0xa [ 92.303377][ T6918] ? lock_acquire+0x1f2/0xaa0 [ 92.308053][ T6918] __alloc_pages_nodemask+0x189/0x730 [ 92.313430][ T6918] ? lock_release+0x890/0x890 [ 92.318107][ T6918] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 92.324932][ T6918] ? unlock_page_memcg+0x9f/0x160 [ 92.329973][ T6918] alloc_pages_current+0x191/0x2a0 [ 92.335101][ T6918] __get_free_pages+0x8/0x40 [ 92.339683][ T6918] __tlb_remove_page_size+0x253/0x420 [ 92.345049][ T6918] unmap_page_range+0x101c/0x2b50 [ 92.350092][ T6918] ? unmap_vmas+0x126/0x2e0 [ 92.354584][ T6918] ? vm_normal_page_pmd+0x5b0/0x5b0 [ 92.359788][ T6918] ? lock_downgrade+0x830/0x830 [ 92.364644][ T6918] ? uprobe_munmap+0x1c/0x560 [ 92.369338][ T6918] unmap_single_vma+0x198/0x300 [ 92.374195][ T6918] unmap_vmas+0x168/0x2e0 [ 92.378511][ T6918] ? zap_vma_ptes+0x100/0x100 [ 92.383206][ T6918] exit_mmap+0x2b1/0x530 [ 92.387447][ T6918] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 92.393441][ T6918] ? check_preemption_disabled+0x50/0x130 [ 92.399157][ T6918] ? kmem_cache_free.part.0+0x19f/0x1d0 [ 92.404692][ T6918] ? __khugepaged_exit+0x2d9/0x3f0 [ 92.409806][ T6918] __mmput+0x122/0x470 [ 92.413878][ T6918] mmput+0x53/0x60 [ 92.417594][ T6918] do_exit+0xa31/0x2930 [ 92.421884][ T6918] ? lock_is_held_type+0xbb/0xf0 [ 92.426864][ T6918] ? find_held_lock+0x2d/0x110 [ 92.431631][ T6918] ? mm_update_next_owner+0x7a0/0x7a0 [ 92.437023][ T6918] ? lock_downgrade+0x830/0x830 [ 92.441877][ T6918] ? do_raw_spin_lock+0x120/0x2b0 [ 92.446892][ T6918] ? lock_is_held_type+0xbb/0xf0 [ 92.451823][ T6918] do_group_exit+0x125/0x310 [ 92.456405][ T6918] get_signal+0x428/0x1f00 [ 92.460817][ T6918] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 92.466802][ T6918] arch_do_signal+0x82/0x2470 [ 92.471472][ T6918] ? lock_is_held_type+0xbb/0xf0 [ 92.476403][ T6918] ? find_held_lock+0x2d/0x110 [ 92.481171][ T6918] ? copy_siginfo_to_user32+0xa0/0xa0 [ 92.486528][ T6918] ? __x64_sys_futex+0x378/0x4e0 [ 92.491452][ T6918] ? __x64_sys_futex+0x382/0x4e0 [ 92.496393][ T6918] ? do_futex+0x1a30/0x1a30 [ 92.500904][ T6918] ? check_preemption_disabled+0x50/0x130 [ 92.506616][ T6918] exit_to_user_mode_prepare+0x194/0x1f0 [ 92.512250][ T6918] syscall_exit_to_user_mode+0x7a/0x2c0 [ 92.517808][ T6918] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.523689][ T6918] RIP: 0033:0x446769 [ 92.527586][ T6918] Code: Unable to access opcode bytes at RIP 0x44673f. [ 92.534435][ T6918] RSP: 002b:00007f51c73eedb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 92.542838][ T6918] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446769 [ 92.550820][ T6918] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 executing program [ 92.558806][ T6918] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 92.566765][ T6918] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 92.574740][ T6918] R13: 00007ffe36a84a0f R14: 00007f51c73ef9c0 R15: 0000000000000001 [ 92.589250][ T6920] FAULT_INJECTION: forcing a failure. [ 92.589250][ T6920] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.602787][ T6920] CPU: 0 PID: 6920 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 92.612685][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.622727][ T6920] Call Trace: [ 92.626005][ T6920] dump_stack+0x198/0x1fb [ 92.630328][ T6920] should_fail.cold+0x5/0xa [ 92.634821][ T6920] __alloc_pages_nodemask+0x189/0x730 [ 92.640183][ T6920] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 92.646934][ T6920] ? lock_is_held_type+0xbb/0xf0 [ 92.651876][ T6920] alloc_pages_current+0x191/0x2a0 [ 92.656989][ T6920] mm_get_huge_zero_page+0x14a/0x330 [ 92.662265][ T6920] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 92.668064][ T6920] handle_mm_fault+0x3644/0x4530 [ 92.672990][ T6920] ? vm_iomap_memory+0x190/0x190 [ 92.677924][ T6920] ? vmacache_update+0xce/0x140 [ 92.682766][ T6920] do_user_addr_fault+0x598/0xbf0 [ 92.687786][ T6920] exc_page_fault+0xa8/0x190 [ 92.692369][ T6920] asm_exc_page_fault+0x1e/0x30 [ 92.697230][ T6920] RIP: 0010:__get_user_8+0x18/0x33 [ 92.702326][ T6920] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 92.721922][ T6920] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 92.727988][ T6920] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 92.735941][ T6920] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 92.743897][ T6920] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88801175ac48 [ 92.751854][ T6920] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 92.759828][ T6920] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 92.767824][ T6920] ? __x64_sys_io_setup+0x80/0x230 [ 92.772918][ T6920] ? __x64_sys_io_setup+0x8e/0x230 [ 92.778015][ T6920] __x64_sys_io_setup+0x96/0x230 [ 92.782939][ T6920] do_syscall_64+0x2d/0x70 [ 92.787376][ T6920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.793273][ T6920] RIP: 0033:0x446769 [ 92.797155][ T6920] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.816764][ T6920] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 92.825169][ T6920] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 92.833137][ T6920] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 92.841098][ T6920] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 92.849070][ T6920] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 92.857032][ T6920] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 92.893558][ T6920] FAULT_INJECTION: forcing a failure. [ 92.893558][ T6920] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 92.906966][ T6920] CPU: 0 PID: 6920 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 92.916856][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.926924][ T6920] Call Trace: [ 92.930221][ T6920] dump_stack+0x198/0x1fb [ 92.934574][ T6920] should_fail.cold+0x5/0xa [ 92.939076][ T6920] mm_release+0x241/0x360 [ 92.943401][ T6920] do_exit+0x60d/0x2930 [ 92.947580][ T6920] ? lock_is_held_type+0xbb/0xf0 [ 92.952513][ T6920] ? find_held_lock+0x2d/0x110 [ 92.957275][ T6920] ? mm_update_next_owner+0x7a0/0x7a0 [ 92.962647][ T6920] ? lock_downgrade+0x830/0x830 [ 92.967494][ T6920] ? do_raw_spin_lock+0x120/0x2b0 [ 92.972511][ T6920] ? lock_is_held_type+0xbb/0xf0 [ 92.977469][ T6920] do_group_exit+0x125/0x310 [ 92.982056][ T6920] get_signal+0x428/0x1f00 [ 92.986474][ T6920] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 92.992462][ T6920] arch_do_signal+0x82/0x2470 [ 92.997136][ T6920] ? lock_is_held_type+0xbb/0xf0 [ 93.002089][ T6920] ? find_held_lock+0x2d/0x110 [ 93.006845][ T6920] ? copy_siginfo_to_user32+0xa0/0xa0 [ 93.012215][ T6920] ? __x64_sys_futex+0x378/0x4e0 [ 93.017138][ T6920] ? __x64_sys_futex+0x382/0x4e0 [ 93.022066][ T6920] ? do_futex+0x1a30/0x1a30 [ 93.026587][ T6920] ? check_preemption_disabled+0x50/0x130 [ 93.032318][ T6920] exit_to_user_mode_prepare+0x194/0x1f0 [ 93.037951][ T6920] syscall_exit_to_user_mode+0x7a/0x2c0 [ 93.043490][ T6920] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.049371][ T6920] RIP: 0033:0x446769 [ 93.053258][ T6920] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.072859][ T6920] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 93.081302][ T6920] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 93.089266][ T6920] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 93.097235][ T6920] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 93.105205][ T6920] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 93.113167][ T6920] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 93.231417][ T6922] FAULT_INJECTION: forcing a failure. [ 93.231417][ T6922] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.244824][ T6922] CPU: 0 PID: 6922 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 93.254709][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.267718][ T6922] Call Trace: [ 93.271229][ T6922] dump_stack+0x198/0x1fb [ 93.275597][ T6922] should_fail.cold+0x5/0xa [ 93.280103][ T6922] __alloc_pages_nodemask+0x189/0x730 [ 93.285469][ T6922] ? __alloc_pages_slowpath.constprop.0+0x27e0/0x27e0 [ 93.292277][ T6922] ? lock_is_held_type+0xbb/0xf0 [ 93.297217][ T6922] alloc_pages_current+0x191/0x2a0 [ 93.302447][ T6922] mm_get_huge_zero_page+0x14a/0x330 [ 93.307746][ T6922] do_huge_pmd_anonymous_page+0xb24/0x2200 [ 93.313551][ T6922] handle_mm_fault+0x3644/0x4530 [ 93.318493][ T6922] ? vm_iomap_memory+0x190/0x190 [ 93.323436][ T6922] ? vmacache_update+0xce/0x140 [ 93.328276][ T6922] do_user_addr_fault+0x598/0xbf0 [ 93.333300][ T6922] exc_page_fault+0xa8/0x190 [ 93.337882][ T6922] asm_exc_page_fault+0x1e/0x30 [ 93.342723][ T6922] RIP: 0010:__get_user_8+0x18/0x33 [ 93.347819][ T6922] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 93.367559][ T6922] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 93.373618][ T6922] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 93.381576][ T6922] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 93.389540][ T6922] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880115cce08 [ 93.397522][ T6922] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 93.405480][ T6922] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 93.413458][ T6922] ? __x64_sys_io_setup+0x80/0x230 [ 93.418555][ T6922] ? __x64_sys_io_setup+0x8e/0x230 [ 93.423661][ T6922] __x64_sys_io_setup+0x96/0x230 [ 93.428603][ T6922] do_syscall_64+0x2d/0x70 [ 93.433019][ T6922] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.438896][ T6922] RIP: 0033:0x446769 [ 93.442772][ T6922] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.462384][ T6922] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 93.470784][ T6922] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 93.478759][ T6922] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 93.486724][ T6922] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 93.494675][ T6922] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 93.502641][ T6922] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 93.530656][ T6922] FAULT_INJECTION: forcing a failure. [ 93.530656][ T6922] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 93.544014][ T6922] CPU: 1 PID: 6922 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 93.553895][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.563947][ T6922] Call Trace: [ 93.567226][ T6922] dump_stack+0x198/0x1fb [ 93.571545][ T6922] should_fail.cold+0x5/0xa [ 93.576054][ T6922] mm_release+0x241/0x360 [ 93.580373][ T6922] do_exit+0x60d/0x2930 [ 93.584529][ T6922] ? lock_is_held_type+0xbb/0xf0 [ 93.589451][ T6922] ? find_held_lock+0x2d/0x110 [ 93.594197][ T6922] ? mm_update_next_owner+0x7a0/0x7a0 [ 93.599558][ T6922] ? lock_downgrade+0x830/0x830 [ 93.604403][ T6922] ? do_raw_spin_lock+0x200/0x2b0 [ 93.609424][ T6922] ? lock_is_held_type+0xbb/0xf0 [ 93.614360][ T6922] do_group_exit+0x125/0x310 [ 93.618971][ T6922] get_signal+0x428/0x1f00 [ 93.623379][ T6922] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 93.629362][ T6922] arch_do_signal+0x82/0x2470 [ 93.634026][ T6922] ? lock_is_held_type+0xbb/0xf0 [ 93.638952][ T6922] ? find_held_lock+0x2d/0x110 [ 93.643700][ T6922] ? copy_siginfo_to_user32+0xa0/0xa0 [ 93.649056][ T6922] ? __x64_sys_futex+0x378/0x4e0 [ 93.653975][ T6922] ? __x64_sys_futex+0x382/0x4e0 [ 93.658914][ T6922] ? do_futex+0x1a30/0x1a30 [ 93.663401][ T6922] ? check_preemption_disabled+0x50/0x130 [ 93.669126][ T6922] exit_to_user_mode_prepare+0x194/0x1f0 [ 93.674745][ T6922] syscall_exit_to_user_mode+0x7a/0x2c0 [ 93.680285][ T6922] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.686174][ T6922] RIP: 0033:0x446769 [ 93.690051][ T6922] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.709664][ T6922] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 93.718182][ T6922] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446769 [ 93.726139][ T6922] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 93.734116][ T6922] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 93.742160][ T6922] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 93.750114][ T6922] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 executing program [ 93.901459][ T6924] FAULT_INJECTION: forcing a failure. [ 93.901459][ T6924] name failslab, interval 1, probability 0, space 0, times 0 [ 93.914151][ T6924] CPU: 1 PID: 6924 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 93.924039][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.934085][ T6924] Call Trace: [ 93.937370][ T6924] dump_stack+0x198/0x1fb [ 93.941720][ T6924] should_fail.cold+0x5/0xa [ 93.946220][ T6924] should_failslab+0x5/0x10 [ 93.950718][ T6924] kmem_cache_alloc+0x3c5/0x550 [ 93.955585][ T6924] ptlock_alloc+0x1d/0x70 [ 93.959903][ T6924] pte_alloc_one+0x68/0x190 [ 93.964394][ T6924] do_huge_pmd_anonymous_page+0xaf0/0x2200 [ 93.970194][ T6924] handle_mm_fault+0x3644/0x4530 [ 93.975125][ T6924] ? vm_iomap_memory+0x190/0x190 [ 93.980053][ T6924] ? vmacache_update+0xce/0x140 [ 93.984914][ T6924] do_user_addr_fault+0x598/0xbf0 [ 93.989928][ T6924] exc_page_fault+0xa8/0x190 [ 93.994507][ T6924] asm_exc_page_fault+0x1e/0x30 [ 93.999343][ T6924] RIP: 0010:__get_user_8+0x18/0x33 [ 94.004435][ T6924] Code: 44 48 19 d2 48 21 d0 0f 1f 00 8b 10 31 c0 0f 1f 00 c3 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 24 48 19 d2 48 21 d0 0f 1f 00 <48> 8b 10 31 c0 0f 1f 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 [ 94.024071][ T6924] RSP: 0018:ffffc900054b7f18 EFLAGS: 00010202 [ 94.030171][ T6924] RAX: 0000000020000140 RBX: 000000000000f501 RCX: ffffffff81d89df0 [ 94.038182][ T6924] RDX: ffffffffffffffff RSI: ffffffff81d89dfe RDI: 0000000000000001 [ 94.046181][ T6924] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888027cd4dc8 [ 94.054137][ T6924] R10: 0000000000000000 R11: 0000000000000000 R12: fffffffffffffff2 [ 94.062093][ T6924] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000 [ 94.070083][ T6924] ? __x64_sys_io_setup+0x80/0x230 [ 94.075178][ T6924] ? __x64_sys_io_setup+0x8e/0x230 [ 94.080292][ T6924] __x64_sys_io_setup+0x96/0x230 [ 94.085216][ T6924] do_syscall_64+0x2d/0x70 [ 94.089635][ T6924] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.095526][ T6924] RIP: 0033:0x446769 [ 94.099452][ T6924] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.119055][ T6924] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 94.127469][ T6924] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 94.135424][ T6924] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 94.143405][ T6924] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 94.151369][ T6924] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 94.159323][ T6924] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 94.179796][ T6924] FAULT_INJECTION: forcing a failure. [ 94.179796][ T6924] name failslab, interval 1, probability 0, space 0, times 0 [ 94.192483][ T6924] CPU: 1 PID: 6924 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 94.202391][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.212443][ T6924] Call Trace: [ 94.215745][ T6924] dump_stack+0x198/0x1fb [ 94.220071][ T6924] should_fail.cold+0x5/0xa [ 94.224568][ T6924] should_failslab+0x5/0x10 [ 94.229056][ T6924] kmem_cache_alloc_trace+0x36a/0x480 [ 94.234419][ T6924] ? kill_ioctx+0x2a0/0x2a0 [ 94.238910][ T6924] percpu_ref_init+0xd2/0x3a0 [ 94.243575][ T6924] ioctx_alloc+0x35e/0x1d60 [ 94.248067][ T6924] ? asm_exc_page_fault+0x1e/0x30 [ 94.253078][ T6924] ? aio_migratepage+0x9f0/0x9f0 [ 94.258000][ T6924] ? __x64_sys_io_setup+0x80/0x230 [ 94.263147][ T6924] ? __x64_sys_io_setup+0x8e/0x230 [ 94.268266][ T6924] __x64_sys_io_setup+0xe9/0x230 [ 94.273246][ T6924] do_syscall_64+0x2d/0x70 [ 94.277655][ T6924] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.283538][ T6924] RIP: 0033:0x446769 [ 94.287450][ T6924] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.307044][ T6924] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 94.315447][ T6924] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 94.323420][ T6924] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 94.331392][ T6924] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 94.339566][ T6924] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 94.347525][ T6924] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 94.366158][ T6924] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 94.377903][ T6924] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 94.386296][ T6924] CPU: 1 PID: 6924 Comm: syz-executor821 Not tainted 5.9.0-rc8-next-20201007-syzkaller #0 [ 94.396161][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.406212][ T6924] RIP: 0010:percpu_ref_exit+0x7f/0x210 [ 94.411665][ T6924] Code: e5 fc 48 89 ee e8 01 42 b9 fd 48 85 ed 74 60 e8 77 45 b9 fd 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 26 01 00 00 49 83 7c 24 10 00 0f 85 01 01 00 00 [ 94.431252][ T6924] RSP: 0018:ffffc900054b7de0 EFLAGS: 00010202 [ 94.437297][ T6924] RAX: dffffc0000000000 RBX: ffff88802feb1658 RCX: ffffffff83bc130f [ 94.445265][ T6924] RDX: 0000000000000002 RSI: ffffffff83bc1319 RDI: 0000000000000010 [ 94.453339][ T6924] RBP: 0000607f51875180 R08: 0000000000000001 R09: ffff88802feb1807 [ 94.461346][ T6924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 94.469303][ T6924] R13: ffff88802feb1660 R14: ffff88802feb1800 R15: ffff88802feb1670 [ 94.477259][ T6924] FS: 00007f51c77e5700(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 94.486166][ T6924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.492727][ T6924] CR2: 0000000020000140 CR3: 0000000012424000 CR4: 00000000001506e0 [ 94.500693][ T6924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.508690][ T6924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.516646][ T6924] Call Trace: [ 94.519923][ T6924] ioctx_alloc+0x2d2/0x1d60 [ 94.524410][ T6924] ? asm_exc_page_fault+0x1e/0x30 [ 94.529416][ T6924] ? aio_migratepage+0x9f0/0x9f0 [ 94.534340][ T6924] ? __x64_sys_io_setup+0x80/0x230 [ 94.539534][ T6924] ? __x64_sys_io_setup+0x8e/0x230 [ 94.544653][ T6924] __x64_sys_io_setup+0xe9/0x230 [ 94.549709][ T6924] do_syscall_64+0x2d/0x70 [ 94.554108][ T6924] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.559993][ T6924] RIP: 0033:0x446769 [ 94.563890][ T6924] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.583476][ T6924] RSP: 002b:00007f51c77e4db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce [ 94.591886][ T6924] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446769 [ 94.599836][ T6924] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 000000000000f501 [ 94.607789][ T6924] RBP: 00000000006dbc20 R08: 0000000000000001 R09: 0000000000000000 [ 94.615859][ T6924] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 94.623829][ T6924] R13: 00007ffe36a84a0f R14: 00007f51c77e59c0 R15: 0000000000000000 [ 94.631778][ T6924] Modules linked in: [ 94.636387][ T6924] ---[ end trace 000c19ea8a5922ba ]--- [ 94.641935][ T6924] RIP: 0010:percpu_ref_exit+0x7f/0x210 [ 94.647388][ T6924] Code: e5 fc 48 89 ee e8 01 42 b9 fd 48 85 ed 74 60 e8 77 45 b9 fd 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 26 01 00 00 49 83 7c 24 10 00 0f 85 01 01 00 00 [ 94.667397][ T6924] RSP: 0018:ffffc900054b7de0 EFLAGS: 00010202 [ 94.673524][ T6924] RAX: dffffc0000000000 RBX: ffff88802feb1658 RCX: ffffffff83bc130f [ 94.681559][ T6924] RDX: 0000000000000002 RSI: ffffffff83bc1319 RDI: 0000000000000010 [ 94.689560][ T6924] RBP: 0000607f51875180 R08: 0000000000000001 R09: ffff88802feb1807 [ 94.697588][ T6924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 94.705555][ T6924] R13: ffff88802feb1660 R14: ffff88802feb1800 R15: ffff88802feb1670 [ 94.713572][ T6924] FS: 00007f51c77e5700(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 94.722545][ T6924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.729173][ T6924] CR2: 0000000020000140 CR3: 0000000012424000 CR4: 00000000001506e0 [ 94.737138][ T6924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.745157][ T6924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.753176][ T6924] Kernel panic - not syncing: Fatal exception [ 94.760503][ T6924] Kernel Offset: disabled [ 94.764829][ T6924] Rebooting in 86400 seconds..