[ 29.101239][ T6217] do_syscall_64+0x6e/0x220
[ 29.105725][ T6217] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 29.111598][ T6217] RIP: 0033:0x7f771dd6a687
[ 29.115988][ T6217] Code: Bad RIP value.
[ 29.120031][ T6217] RSP: 002b:00007fffa2214718 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 29.129893][ T6217] RAX: ffffffffffffffda RBX: 0000557cb67cf985 RCX: 00007f771dd6a687
[ 29.137843][ T6217] RDX: 00007fffa22145e0 RSI: 00000000000001ed RDI: 0000557cb67cf985
[ 29.145795][ T6217] RBP: 00007f771dd6a680 R08: 0000000000000100 R09: 0000000000000000
[ 29.153747][ T6217] R10: 0000557cb67cf980 R11: 0000000000000246 R12: 00000000000001ed
[ 29.161697][ T6217] R13: 00007fffa22148a0 R14: 0000000000000000 R15: 0000000000000000
Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts.
2020/06/12 22:46:52 fuzzer started
2020/06/12 22:46:52 connecting to host at 10.128.0.26:40167
2020/06/12 22:46:52 checking machine...
2020/06/12 22:46:52 checking revisions...
2020/06/12 22:46:52 testing simple program...
[ 37.963221][ T3646] kmemleak: Automatic memory scanning thread ended
executing program
executing program
[ 45.565454][ T6449] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6449
[ 45.575035][ T6449] caller is ext4_mb_new_blocks+0x361/0x1010
[ 45.581411][ T6449] CPU: 0 PID: 6449 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0
[ 45.590151][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.600186][ T6449] Call Trace:
[ 45.603461][ T6449] dump_stack+0xbb/0xe3
[ 45.608165][ T6449] debug_smp_processor_id.cold+0x53/0x67
[ 45.613874][ T6449] ext4_mb_new_blocks+0x361/0x1010
[ 45.619177][ T6449] ? ext4_ext_search_right+0x141/0x3d0
[ 45.625181][ T6449] ? ext4_inode_to_goal_block+0xca/0x110
[ 45.631161][ T6449] ext4_ext_map_blocks+0xbbc/0x11e0
[ 45.636482][ T6449] ext4_map_blocks+0x128/0x7b0
[ 45.641405][ T6449] ? __brelse+0x15/0x40
[ 45.645544][ T6449] ext4_getblk+0x5f/0x270
[ 45.650317][ T6449] ext4_bread+0x3d/0x140
[ 45.654903][ T6449] ext4_append+0x5a/0x110
[ 45.659208][ T6449] ext4_mkdir+0x294/0x570
[ 45.663673][ T6449] vfs_mkdir+0x136/0x230
[ 45.667892][ T6449] do_mkdirat+0x11a/0x160
[ 45.672204][ T6449] do_syscall_64+0x6e/0x220
[ 45.676990][ T6449] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.683130][ T6449] RIP: 0033:0x4b02a0
[ 45.688436][ T6449] Code: Bad RIP value.
[ 45.692776][ T6449] RSP: 002b:000000c0000dd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102
[ 45.702113][ T6449] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0
[ 45.710401][ T6449] RDX: 00000000000001c0 RSI: 000000c00009eee0 RDI: ffffffffffffff9c
[ 45.718721][ T6449] RBP: 000000c0000dd510 R08: 0000000000000000 R09: 0000000000000000
[ 45.726832][ T6449] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff
[ 45.735643][ T6449] R13: 0000000000000078 R14: 0000000000000077 R15: 0000000000000100
[ 45.749123][ T25] audit: type=1400 audit(1592002020.197:8): avc: denied { execmem } for pid=6465 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 45.749289][ T6465] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6465
[ 45.780420][ T6465] caller is ext4_mb_new_blocks+0x361/0x1010
[ 45.786327][ T6465] CPU: 0 PID: 6465 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 45.794758][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.805208][ T6465] Call Trace:
[ 45.808573][ T6465] dump_stack+0xbb/0xe3
[ 45.813327][ T6465] debug_smp_processor_id.cold+0x53/0x67
[ 45.818937][ T6465] ext4_mb_new_blocks+0x361/0x1010
[ 45.824026][ T6465] ? ext4_ext_search_right+0x141/0x3d0
[ 45.829717][ T6465] ? ext4_inode_to_goal_block+0xca/0x110
[ 45.835464][ T6465] ext4_ext_map_blocks+0xbbc/0x11e0
[ 45.840641][ T6465] ext4_map_blocks+0x128/0x7b0
[ 45.845630][ T6465] ? __brelse+0x15/0x40
[ 45.850024][ T6465] ext4_getblk+0x5f/0x270
[ 45.854332][ T6465] ext4_bread+0x3d/0x140
[ 45.858902][ T6465] ext4_append+0x5a/0x110
[ 45.863294][ T6465] ext4_mkdir+0x294/0x570
[ 45.867776][ T6465] vfs_mkdir+0x136/0x230
[ 45.872291][ T6465] do_mkdirat+0x11a/0x160
[ 45.876609][ T6465] do_syscall_64+0x6e/0x220
[ 45.881446][ T6465] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 45.891018][ T6465] RIP: 0033:0x45bee7
[ 45.896453][ T6465] Code: Bad RIP value.
[ 45.904491][ T6465] RSP: 002b:00007ffe918b6bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 45.912992][ T6465] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7
[ 45.921159][ T6465] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffe918b6db0
[ 45.929181][ T6465] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000021c0
[ 45.937964][ T6465] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2
[ 45.946128][ T6465] R13: 00007ffe918b6db0 R14: 8421084210842109 R15: 00007ffe918b6dbc
[ 45.980763][ T6466] IPVS: ftp: loaded support on port[0] = 21
[ 45.995428][ T6466] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6466
[ 46.006106][ T6466] caller is ext4_mb_new_blocks+0x361/0x1010
[ 46.013102][ T6466] CPU: 1 PID: 6466 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 46.022585][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.033204][ T6466] Call Trace:
[ 46.036779][ T6466] dump_stack+0xbb/0xe3
[ 46.041074][ T6466] debug_smp_processor_id.cold+0x53/0x67
[ 46.046689][ T6466] ext4_mb_new_blocks+0x361/0x1010
[ 46.051868][ T6466] ? ext4_ext_search_right+0x141/0x3d0
[ 46.057758][ T6466] ? ext4_inode_to_goal_block+0xca/0x110
[ 46.063666][ T6466] ext4_ext_map_blocks+0xbbc/0x11e0
[ 46.069383][ T6466] ext4_map_blocks+0x128/0x7b0
[ 46.074419][ T6466] ? __brelse+0x15/0x40
[ 46.078784][ T6466] ext4_getblk+0x5f/0x270
[ 46.083404][ T6466] ext4_bread+0x3d/0x140
[ 46.087668][ T6466] ext4_append+0x5a/0x110
[ 46.092153][ T6466] ext4_mkdir+0x294/0x570
[ 46.096471][ T6466] vfs_mkdir+0x136/0x230
[ 46.100969][ T6466] do_mkdirat+0x11a/0x160
[ 46.105467][ T6466] do_syscall_64+0x6e/0x220
[ 46.110252][ T6466] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 46.116833][ T6466] RIP: 0033:0x45bee7
[ 46.120798][ T6466] Code: Bad RIP value.
[ 46.125180][ T6466] RSP: 002b:00007ffe918b6ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
[ 46.134347][ T6466] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7
[ 46.143456][ T6466] RDX: 00007ffe918b6b13 RSI: 00000000000001ff RDI: 00007ffe918b6b10
[ 46.155189][ T6466] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003
[ 46.170947][ T6466] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0
[ 46.180379][ T6466] R13: 00007ffe918b6b00 R14: 0000000000000000 R15: 00007ffe918b6b10
[ 46.207973][ T6466] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6466
[ 46.217565][ T6466] caller is ext4_mb_new_blocks+0x361/0x1010
[ 46.223766][ T6466] CPU: 0 PID: 6466 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0
[ 46.231992][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.242441][ T6466] Call Trace:
[ 46.245827][ T6466] dump_stack+0xbb/0xe3
[ 46.250087][ T6466] debug_smp_processor_id.cold+0x53/0x67
[ 46.255838][ T6466] ext4_mb_new_blocks+0x361/0x1010
[ 46.261298][ T6466] ? ext4_ext_search_right+0x141/0x3d0
[ 46.267220][ T6466] ? ext4_inode_to_goal_block+0xca/0x110
[ 46.273075][ T6466] ext4_ext_map_blocks+0xbbc/0x11e0
[ 46.278531][ T6466] ext4_map_blocks+0x128/0x7b0
[ 46.283720][ T6466] ? __brelse+0x15/0x40
[ 46.288423][ T6466] ext4_getblk+0x5f/0x270
[ 46.293080][ T6466] ext4_bread+0x3d/0x140
[ 46.297656][ T6466] ext4_append+0x5a/0x110
[ 46.302107][ T6466] ext4_mkdir+0x294/0x570
[ 46.306641][ T6466] vfs_mkdir+0x136/0x230
[ 46.311428][ T6466] do_mkdirat+0x11a/0x160
[ 46.315752][ T6466] do_syscall_64+0x6e/0x220
[ 46.320245][ T6466] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 46.326354][ T6466] RIP: 0033:0x45bee7
2020/06/12 22:47:00 building call list...
[ 46.330238][ T6466] Code: Bad RIP value.
[ 46.334370][ T6466] RSP: 002b:00007ffe918b6ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053
[ 46.342924][ T6466] RAX: ffffffffffffffda RBX: 000000000000b47f RCX: 000000000045bee7
[ 46.351138][ T6466] RDX: 00007ffe918b6b13 RSI: 00000000000001ff RDI: 00007ffe918b6b10
[ 46.359946][ T6466] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003
[ 46.368460][ T6466] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003
[ 46.376530][ T6466] R13: 00007ffe918b6b00 R14: 000000000000b470 R15: 00007ffe918b6b10
[ 46.562880][ T104] tipc: TX() has been purged, node left!
executing program
[ 47.172274][ T6450] can: request_module (can-proto-0) failed.
[ 47.327437][ T6450] can: request_module (can-proto-0) failed.
[ 47.336171][ T6450] can: request_module (can-proto-7) failed.
[ 47.344214][ T6450] can: request_module (can-proto-0) failed.
[ 47.363250][ T25] audit: type=1400 audit(1592002021.817:9): avc: denied { create } for pid=6445 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1