Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. executing program [ 113.310356][ T8478] ===================================================== [ 113.317458][ T8478] BUG: KMSAN: uninit-value in streebog_xlps+0x645/0x7c0 [ 113.324374][ T8478] CPU: 1 PID: 8478 Comm: syz-executor416 Not tainted 5.8.0-rc5-syzkaller #0 [ 113.333018][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.343079][ T8478] Call Trace: [ 113.346352][ T8478] dump_stack+0x1df/0x240 [ 113.350665][ T8478] kmsan_report+0xf7/0x1e0 [ 113.355061][ T8478] __msan_warning+0x58/0xa0 [ 113.359542][ T8478] streebog_xlps+0x645/0x7c0 [ 113.364119][ T8478] streebog_g+0x143/0xfd0 [ 113.368473][ T8478] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 113.374524][ T8478] ? update_stack_state+0xa18/0xb40 [ 113.379698][ T8478] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 113.385837][ T8478] streebog_update+0x127d/0x28e0 [ 113.390764][ T8478] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 113.396897][ T8478] ? streebog_init+0x2f0/0x2f0 [ 113.401638][ T8478] crypto_shash_update+0x4e9/0x550 [ 113.406721][ T8478] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 113.412861][ T8478] ? crypto_hash_walk_first+0x1fd/0x360 [ 113.418399][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 113.423488][ T8478] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 113.429318][ T8478] shash_async_update+0x113/0x1d0 [ 113.434322][ T8478] ? shash_async_init+0x1e0/0x1e0 [ 113.439408][ T8478] hash_sendpage+0x8ef/0xdf0 [ 113.443978][ T8478] ? hash_recvmsg+0xd30/0xd30 [ 113.449331][ T8478] sock_sendpage+0x1e1/0x2c0 [ 113.453905][ T8478] pipe_to_sendpage+0x38c/0x4c0 [ 113.458732][ T8478] ? sock_fasync+0x250/0x250 [ 113.463304][ T8478] __splice_from_pipe+0x565/0xf00 [ 113.468324][ T8478] ? generic_splice_sendpage+0x2d0/0x2d0 [ 113.473942][ T8478] generic_splice_sendpage+0x1d5/0x2d0 [ 113.479398][ T8478] ? iter_file_splice_write+0x1800/0x1800 [ 113.485091][ T8478] direct_splice_actor+0x1fd/0x580 [ 113.490185][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 113.495328][ T8478] splice_direct_to_actor+0x6b2/0xf50 [ 113.500675][ T8478] ? do_splice_direct+0x580/0x580 [ 113.505694][ T8478] do_splice_direct+0x342/0x580 [ 113.510561][ T8478] do_sendfile+0x101b/0x1d40 [ 113.515142][ T8478] __se_sys_sendfile64+0x2bb/0x360 [ 113.520259][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 113.525363][ T8478] __x64_sys_sendfile64+0x56/0x70 [ 113.530365][ T8478] do_syscall_64+0xb0/0x150 [ 113.534846][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.540734][ T8478] RIP: 0033:0x4403c9 [ 113.544615][ T8478] Code: Bad RIP value. [ 113.548656][ T8478] RSP: 002b:00007ffc824c19e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 113.557040][ T8478] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403c9 [ 113.564985][ T8478] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 113.572951][ T8478] RBP: 00000000006ca018 R08: 0000000000000014 R09: 65732f636f72702f [ 113.580916][ T8478] R10: 0000000000000a51 R11: 0000000000000246 R12: 0000000000401c30 [ 113.588864][ T8478] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 113.596814][ T8478] [ 113.599116][ T8478] Uninit was stored to memory at: [ 113.604118][ T8478] kmsan_internal_chain_origin+0xad/0x130 [ 113.609813][ T8478] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 113.615764][ T8478] kmsan_memcpy_metadata+0xb/0x10 [ 113.620760][ T8478] __msan_memcpy+0x43/0x50 [ 113.625151][ T8478] streebog_update+0x1240/0x28e0 [ 113.630090][ T8478] crypto_shash_update+0x4e9/0x550 [ 113.635171][ T8478] shash_async_update+0x113/0x1d0 [ 113.640170][ T8478] hash_sendpage+0x8ef/0xdf0 [ 113.644734][ T8478] sock_sendpage+0x1e1/0x2c0 [ 113.649310][ T8478] pipe_to_sendpage+0x38c/0x4c0 [ 113.654136][ T8478] __splice_from_pipe+0x565/0xf00 [ 113.659149][ T8478] generic_splice_sendpage+0x1d5/0x2d0 [ 113.664600][ T8478] direct_splice_actor+0x1fd/0x580 [ 113.669687][ T8478] splice_direct_to_actor+0x6b2/0xf50 [ 113.675031][ T8478] do_splice_direct+0x342/0x580 [ 113.679855][ T8478] do_sendfile+0x101b/0x1d40 [ 113.684417][ T8478] __se_sys_sendfile64+0x2bb/0x360 [ 113.689522][ T8478] __x64_sys_sendfile64+0x56/0x70 [ 113.694522][ T8478] do_syscall_64+0xb0/0x150 [ 113.699001][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.704948][ T8478] [ 113.707265][ T8478] Uninit was created at: [ 113.711482][ T8478] kmsan_save_stack_with_flags+0x3c/0x90 [ 113.717092][ T8478] kmsan_alloc_page+0xb9/0x180 [ 113.721827][ T8478] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 113.727345][ T8478] alloc_pages_current+0x672/0x990 [ 113.732445][ T8478] push_pipe+0x605/0xb70 [ 113.736663][ T8478] iov_iter_get_pages_alloc+0x18a9/0x21c0 [ 113.742355][ T8478] do_splice_to+0x4fc/0x14f0 [ 113.746919][ T8478] splice_direct_to_actor+0x45c/0xf50 [ 113.752266][ T8478] do_splice_direct+0x342/0x580 [ 113.757090][ T8478] do_sendfile+0x101b/0x1d40 [ 113.761652][ T8478] __se_sys_sendfile64+0x2bb/0x360 [ 113.766734][ T8478] __x64_sys_sendfile64+0x56/0x70 [ 113.771731][ T8478] do_syscall_64+0xb0/0x150 [ 113.776208][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.782095][ T8478] ===================================================== [ 113.790651][ T8478] Disabling lock debugging due to kernel taint [ 113.796802][ T8478] Kernel panic - not syncing: panic_on_warn set ... [ 113.803363][ T8478] CPU: 1 PID: 8478 Comm: syz-executor416 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 113.813424][ T8478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.823454][ T8478] Call Trace: [ 113.826729][ T8478] dump_stack+0x1df/0x240 [ 113.831058][ T8478] panic+0x3d5/0xc3e [ 113.835032][ T8478] kmsan_report+0x1df/0x1e0 [ 113.839520][ T8478] __msan_warning+0x58/0xa0 [ 113.844002][ T8478] streebog_xlps+0x645/0x7c0 [ 113.848578][ T8478] streebog_g+0x143/0xfd0 [ 113.852897][ T8478] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 113.859092][ T8478] ? update_stack_state+0xa18/0xb40 [ 113.864293][ T8478] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 113.870444][ T8478] streebog_update+0x127d/0x28e0 [ 113.875370][ T8478] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 113.881502][ T8478] ? streebog_init+0x2f0/0x2f0 [ 113.886330][ T8478] crypto_shash_update+0x4e9/0x550 [ 113.891418][ T8478] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 113.897605][ T8478] ? crypto_hash_walk_first+0x1fd/0x360 [ 113.903125][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 113.908214][ T8478] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 113.913998][ T8478] shash_async_update+0x113/0x1d0 [ 113.919001][ T8478] ? shash_async_init+0x1e0/0x1e0 [ 113.924045][ T8478] hash_sendpage+0x8ef/0xdf0 [ 113.928615][ T8478] ? hash_recvmsg+0xd30/0xd30 [ 113.933327][ T8478] sock_sendpage+0x1e1/0x2c0 [ 113.937929][ T8478] pipe_to_sendpage+0x38c/0x4c0 [ 113.942755][ T8478] ? sock_fasync+0x250/0x250 [ 113.947347][ T8478] __splice_from_pipe+0x565/0xf00 [ 113.952349][ T8478] ? generic_splice_sendpage+0x2d0/0x2d0 [ 113.957966][ T8478] generic_splice_sendpage+0x1d5/0x2d0 [ 113.963412][ T8478] ? iter_file_splice_write+0x1800/0x1800 [ 113.969119][ T8478] direct_splice_actor+0x1fd/0x580 [ 113.974221][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 113.979318][ T8478] splice_direct_to_actor+0x6b2/0xf50 [ 113.984670][ T8478] ? do_splice_direct+0x580/0x580 [ 113.989688][ T8478] do_splice_direct+0x342/0x580 [ 113.994530][ T8478] do_sendfile+0x101b/0x1d40 [ 113.999133][ T8478] __se_sys_sendfile64+0x2bb/0x360 [ 114.004221][ T8478] ? kmsan_get_metadata+0x4f/0x180 [ 114.009311][ T8478] __x64_sys_sendfile64+0x56/0x70 [ 114.014314][ T8478] do_syscall_64+0xb0/0x150 [ 114.018795][ T8478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 114.024662][ T8478] RIP: 0033:0x4403c9 [ 114.028526][ T8478] Code: Bad RIP value. [ 114.033364][ T8478] RSP: 002b:00007ffc824c19e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 114.041793][ T8478] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403c9 [ 114.049741][ T8478] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 114.057688][ T8478] RBP: 00000000006ca018 R08: 0000000000000014 R09: 65732f636f72702f [ 114.065638][ T8478] R10: 0000000000000a51 R11: 0000000000000246 R12: 0000000000401c30 [ 114.073674][ T8478] R13: 0000000000401cc0 R14: 0000000000000000 R15: 0000000000000000 [ 114.082821][ T8478] Kernel Offset: 0x12e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 114.094431][ T8478] Rebooting in 86400 seconds..