====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc5+ #351 Not tainted ------------------------------------------------------ syz-executor5/16885 is trying to acquire lock: (&sb->s_type->i_mutex_key#11){++++}, at: [<0000000075d603ea>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#11){++++}, at: [<0000000075d603ea>] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 but task is already holding lock: (ashmem_mutex){+.+.}, at: [<0000000078071ba8>] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:326 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (ashmem_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 ashmem_mmap+0x53/0x410 drivers/staging/android/ashmem.c:362 call_mmap include/linux/fs.h:1786 [inline] mmap_region+0xa99/0x15a0 mm/mmap.c:1705 do_mmap+0x6c0/0xe00 mm/mmap.c:1483 do_mmap_pgoff include/linux/mm.h:2223 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:355 SYSC_mmap_pgoff mm/mmap.c:1533 [inline] SyS_mmap_pgoff+0x462/0x5f0 mm/mmap.c:1491 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&mm->mmap_sem){++++}: __might_fault+0x13a/0x1d0 mm/memory.c:4571 _copy_to_user+0x2c/0xc0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] filldir+0x1a7/0x320 fs/readdir.c:196 dir_emit_dot include/linux/fs.h:3370 [inline] dir_emit_dots include/linux/fs.h:3381 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:192 iterate_dir+0x1ca/0x530 fs/readdir.c:51 SYSC_getdents fs/readdir.c:231 [inline] SyS_getdents+0x225/0x450 fs/readdir.c:212 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&sb->s_type->i_mutex_key#11){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 vfs_llseek+0xa2/0xd0 fs/read_write.c:300 ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:338 vfs_llseek fs/read_write.c:300 [inline] SYSC_lseek fs/read_write.c:313 [inline] SyS_lseek+0xeb/0x170 fs/read_write.c:304 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#11 --> &mm->mmap_sem --> ashmem_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&sb->s_type->i_mutex_key#11); *** DEADLOCK *** 1 lock held by syz-executor5/16885: #0: (ashmem_mutex){+.+.}, at: [<0000000078071ba8>] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:326 stack backtrace: CPU: 0 PID: 16885 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] shmem_file_llseek+0xef/0x240 mm/shmem.c:2579 vfs_llseek+0xa2/0xd0 fs/read_write.c:300 ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:338 vfs_llseek fs/read_write.c:300 [inline] SYSC_lseek fs/read_write.c:313 [inline] SyS_lseek+0xeb/0x170 fs/read_write.c:304 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fe9b354bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007fe9b354c6d4 RCX: 0000000000453e69 RDX: 0000000100000004 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003da R14: 00000000006f5d10 R15: 0000000000000000 kernel msg: ebtables bug: please report to author: counter_offset != totalcnt kernel msg: ebtables bug: please report to author: Entries_size never zero binder_alloc: binder_alloc_mmap_handler: 16964 20000000-20002000 already mapped failed -16 kernel msg: ebtables bug: please report to author: counter_offset != totalcnt binder: BINDER_SET_CONTEXT_MGR already set binder: 16964:16973 ioctl 40046207 0 returned -16 binder_alloc: 16964: binder_alloc_buf, no vma kernel msg: ebtables bug: please report to author: Entries_size never zero binder: 16964:16973 transaction failed 29189/-3, size 40-0 line 2963 binder: release 16964:16966 transaction 35 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 35, target dead binder: release 17009:17013 transaction 38 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 38, target dead netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. binder: release 17031:17037 transaction 40 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 40, target dead netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. binder: release 17051:17052 transaction 42 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 42, target dead binder: 17106:17107 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 17115:17118 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 17132:17136 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17148: binder_alloc_buf, no vma binder: 17148:17153 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17167: binder_alloc_buf, no vma binder: 17167:17168 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 17183 Comm: syz-executor2 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc+0x63/0x760 mm/slab.c:3714 kmalloc include/linux/slab.h:517 [inline] rds_info_getsockopt+0x579/0x770 net/rds/info.c:191 rds_getsockopt+0x142/0x280 net/rds/af_rds.c:395 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f29bc2d4c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f29bc2d56d4 RCX: 0000000000453e69 RDX: 0000000000002711 RSI: 0000000000000114 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 000000002033bffc R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000000cc R14: 00000000006f13c0 R15: 0000000000000000 binder_alloc: 17182: binder_alloc_buf, no vma binder: 17182:17184 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 17262 Comm: syz-executor7 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc+0x63/0x760 mm/slab.c:3714 kmalloc include/linux/slab.h:517 [inline] rds_info_getsockopt+0x579/0x770 net/rds/info.c:191 rds_getsockopt+0x142/0x280 net/rds/af_rds.c:395 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f575b4cdc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f575b4ce6d4 RCX: 0000000000453e69 RDX: 0000000000002711 RSI: 0000000000000114 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 000000002033bffc R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000000000cc R14: 00000000006f13c0 R15: 0000000000000000 binder: release 17255:17259 transaction 56 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 56, target dead binder: release 17277:17278 transaction 58 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 58, target dead audit: type=1400 audit(1520871156.362:88): avc: denied { create } for pid=17291 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 audit: type=1400 audit(1520871156.362:89): avc: denied { read } for pid=17291 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 audit: type=1400 audit(1520871156.387:90): avc: denied { write } for pid=17291 comm="syz-executor1" path="socket:[51258]" dev="sockfs" ino=51258 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 binder: release 17287:17290 transaction 60 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 60, target dead RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? binder: release 17315:17318 transaction 62 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 62, target dead RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? binder: release 17328:17330 transaction 64 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 64, target dead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 17351 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3539 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007fe9b354bbb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe9b354c6d4 RCX: 000000000040e161 RDX: 00007fe9b354bbe2 RSI: 0000000000000002 RDI: 00007fe9b354bbd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000013 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 17365 Comm: syz-executor5 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2959 [inline] prepare_alloc_pages mm/page_alloc.c:4198 [inline] __alloc_pages_nodemask+0x327/0xdd0 mm/page_alloc.c:4237 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1410 [inline] cache_grow_begin+0x72/0x640 mm/slab.c:2665 cache_alloc_refill mm/slab.c:3032 [inline] ____cache_alloc mm/slab.c:3114 [inline] __do_cache_alloc mm/slab.c:3336 [inline] slab_alloc mm/slab.c:3371 [inline] kmem_cache_alloc+0x400/0x760 mm/slab.c:3539 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x40e161 RSP: 002b:00007fe9b354bbb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe9b354c6d4 RCX: 000000000040e161 RDX: 00007fe9b354bbe2 RSI: 0000000000000002 RDI: 00007fe9b354bbd0 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000012 R10: 0000000000000007 R11: 0000000000000293 R12: 0000000000000013 R13: 0000000000000650 R14: 00000000006f9820 R15: 0000000000000001 binder: release 17356:17367 transaction 66 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 66, target dead binder: release 17379:17383 transaction 68 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 68, target dead binder: release 17395:17396 transaction 70 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 70, target dead binder: release 17407:17414 transaction 72 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 72, target dead binder_alloc: 17434: binder_alloc_buf, no vma binder: 17434:17436 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17463: binder_alloc_buf, no vma binder: 17463:17465 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17485: binder_alloc_buf, no vma binder: 17485:17488 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17523: binder_alloc_buf, no vma binder: 17523:17529 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17553: binder_alloc_buf, no vma binder: 17553:17554 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 17562: binder_alloc_buf, no vma binder: 17562:17568 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder: 17594:17596 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 17622:17623 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: 17637:17638 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 17752:17753 transaction 95 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 95, target dead binder: release 17778:17786 transaction 97 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 97, target dead binder: release 17801:17803 transaction 99 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 99, target dead binder: release 17813:17814 transaction 101 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 101, target dead binder: release 17822:17829 transaction 103 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 103, target dead binder: release 17852:17854 transaction 105 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 105, target dead binder: release 17870:17873 transaction 107 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 107, target dead binder: release 17881:17882 transaction 109 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 109, target dead binder: 17894:17897 ioctl c0306201 20008000 returned -14 binder_alloc: binder_alloc_mmap_handler: 17894 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 17894:17901 ioctl c0306201 20008000 returned -14 binder: 17894:17897 ioctl 40046207 0 returned -16 binder: 17915:17919 ioctl c0306201 20000400 returned -14 binder: 17915:17919 ioctl c0306201 20000100 returned -14 binder_alloc: binder_alloc_mmap_handler: 17915 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 17915:17919 ioctl 40046207 0 returned -16 binder: 17915:17928 ioctl c0306201 20000400 returned -14 binder_alloc: 17915: binder_alloc_buf, no vma binder: 17915:17940 transaction failed 29189/-3, size 40-0 line 2963 binder: release 17915:17919 transaction 112 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 112, target dead binder_alloc: binder_alloc_mmap_handler: 17963 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 17963:17975 ioctl 40046207 0 returned -16 binder_alloc: 17963: binder_alloc_buf, no vma binder: 17963:17990 transaction failed 29189/-3, size 40-0 line 2963 binder: release 17963:17972 transaction 115 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 115, target dead binder_alloc: binder_alloc_mmap_handler: 18004 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18004:18007 ioctl 40046207 0 returned -16 binder_alloc: 18004: binder_alloc_buf, no vma binder: 18004:18024 transaction failed 29189/-3, size 40-0 line 2963 binder: BINDER_SET_CONTEXT_MGR already set binder: 18036:18045 ioctl 40046207 0 returned -16 binder: release 18004:18007 transaction 118 out, still active binder: 18036:18045 ioctl 540f 20000040 returned -22 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: 18036:18045 unknown command 0 binder: send failed reply for transaction 118, target dead binder: 18036:18045 ioctl c0306201 2000a000 returned -22 binder: 18055:18056 ioctl c0306201 20000040 returned -14 binder_alloc: 18055: binder_alloc_buf size 4503600701243392 failed, no address space binder_alloc: binder_alloc_mmap_handler: 18055 20000000-20002000 already mapped failed -16 binder_alloc: allocated: 0 (num: 0 largest: 0), free: 8192 (num: 1 largest: 8192) binder: BINDER_SET_CONTEXT_MGR already set binder: 18036:18052 transaction failed 29201/-28, size 1073872896-4503599627370496 line 2963 binder: 18055:18059 ioctl c0306201 20000040 returned -14 binder: 18055:18056 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18036:18052 ioctl 40046207 0 returned -16 binder: 18036:18052 ioctl 540f 20000040 returned -22 binder: 18036:18052 unknown command 0 binder: 18036:18066 transaction failed 29189/-22, size 1073872896-4503599627370496 line 2848 binder: 18036:18052 ioctl c0306201 2000a000 returned -22 binder_alloc: binder_alloc_mmap_handler: 18074 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18074: binder_alloc_buf, no vma binder: 18074:18081 transaction failed 29189/-3, size 40-0 line 2963 binder: 18074:18077 ioctl 40046207 0 returned -16 binder: release 18074:18077 transaction 124 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 124, target dead binder_alloc: binder_alloc_mmap_handler: 18104 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18104: binder_alloc_buf, no vma binder: 18104:18107 ioctl 40046207 0 returned -16 binder: 18104:18111 transaction failed 29189/-3, size 40-0 line 2963 binder: release 18104:18107 transaction 127 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 127, target dead binder: 18152:18154 got transaction to invalid handle binder: 18152:18154 transaction failed 29201/-22, size 8796093022248-0 line 2848 binder: 18152:18154 ioctl c08c5334 20000100 returned -22 binder: 18152:18154 ioctl 40042409 2 returned -22 binder_alloc: binder_alloc_mmap_handler: 18152 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18152:18154 ioctl 40046207 0 returned -16 binder: 18152:18178 got transaction to invalid handle binder: 18152:18178 transaction failed 29201/-22, size 8796093022248-0 line 2848 binder: 18152:18154 ioctl c08c5334 20000100 returned -22 binder: 18152:18168 ioctl 40042409 2 returned -22 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: 18199:18204 transaction failed 29189/-22, size 40-0 line 2848 binder_alloc: binder_alloc_mmap_handler: 18199 20000000-20002000 already mapped failed -16 binder: 18199:18209 transaction failed 29189/-22, size 40-0 line 2848 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: 18238:18239 unknown command 0 binder: 18238:18239 ioctl c0306201 20008000 returned -22 binder: 18248:18250 got transaction with invalid data ptr binder: 18248:18250 transaction failed 29201/-14, size 40-0 line 2982 binder_alloc: binder_alloc_mmap_handler: 18238 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18238: binder_alloc_buf, no vma binder: 18238:18239 ioctl 40046207 0 returned -16 binder: 18238:18249 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29201 binder: 18238:18249 ioctl c0306201 20008000 returned -14 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 18238:18239 transaction 135 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 135, target dead binder_alloc: binder_alloc_mmap_handler: 18259 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18259: binder_alloc_buf, no vma binder: 18259:18263 ioctl 40046207 0 returned -16 binder: 18259:18272 transaction failed 29189/-3, size 40-0 line 2963 binder: release 18259:18263 transaction 139 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 139, target dead binder_alloc: binder_alloc_mmap_handler: 18292 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18292:18293 ioctl 40046207 0 returned -16 binder_alloc: 18292: binder_alloc_buf, no vma binder: 18292:18296 transaction failed 29189/-3, size 40-0 line 2963 binder: release 18292:18293 transaction 142 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 142, target dead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 18331 Comm: syz-executor6 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3720 memdup_user+0x2c/0x90 mm/util.c:160 map_update_elem kernel/bpf/syscall.c:671 [inline] SYSC_bpf kernel/bpf/syscall.c:1872 [inline] SyS_bpf+0x1f48/0x4860 kernel/bpf/syscall.c:1843 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc369ccdc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc369cce6d4 RCX: 0000000000453e69 RDX: 00000000000003fa RSI: 0000000020000100 RDI: 0000000000000002 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000040 R14: 00000000006f06a0 R15: 0000000000000000 binder_alloc: binder_alloc_mmap_handler: 18333 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18333: binder_alloc_buf, no vma binder: 18333:18348 transaction failed 29189/-3, size 40-0 line 2963 binder: 18333:18342 ioctl 40046207 0 returned -16 binder: release 18333:18342 transaction 145 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 145, target dead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 18377 Comm: syz-executor6 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc+0x63/0x760 mm/slab.c:3714 kmalloc include/linux/slab.h:517 [inline] map_update_elem kernel/bpf/syscall.c:685 [inline] SYSC_bpf kernel/bpf/syscall.c:1872 [inline] SyS_bpf+0x203c/0x4860 kernel/bpf/syscall.c:1843 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007fc369ccdc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc369cce6d4 RCX: 0000000000453e69 RDX: 00000000000003fa RSI: 0000000020000100 RDI: 0000000000000002 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000040 R14: 00000000006f06a0 R15: 0000000000000001 binder_alloc: binder_alloc_mmap_handler: 18370 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18370:18397 ioctl 40046207 0 returned -16 binder_alloc: 18370: binder_alloc_buf, no vma binder: 18370:18396 transaction failed 29189/-3, size 40-0 line 2963 binder: release 18370:18391 transaction 148 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 148, target dead binder_alloc: binder_alloc_mmap_handler: 18404 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18404:18410 ioctl 40046207 0 returned -16 binder_alloc: 18404: binder_alloc_buf, no vma binder: 18404:18408 transaction failed 29189/-3, size 40-0 line 2963 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 18404:18408 transaction 151 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 151, target dead binder: 18442:18446 ioctl c0306201 20008000 returned -14 binder_alloc: binder_alloc_mmap_handler: 18442 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18442:18455 ioctl c0306201 20008000 returned -14 binder: 18442:18446 ioctl 40046207 0 returned -16 binder_alloc: 18490: binder_alloc_buf, no vma binder: 18490:18493 transaction failed 29189/-3, size 40-0 line 2963 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18490: binder_alloc_buf, no vma binder: 18490:18500 transaction failed 29189/-3, size 40-0 line 2963 binder: 18490:18493 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 18521 Comm: syz-executor3 Not tainted 4.16.0-rc5+ #351 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3365 [inline] __do_kmalloc mm/slab.c:3703 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3720 memdup_user+0x2c/0x90 mm/util.c:160 map_update_elem kernel/bpf/syscall.c:671 [inline] SYSC_bpf kernel/bpf/syscall.c:1872 [inline] SyS_bpf+0x1f48/0x4860 kernel/bpf/syscall.c:1843 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f72a38a1c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f72a38a26d4 RCX: 0000000000453e69 RDX: 00000000000003fa RSI: 0000000020000100 RDI: 0000000000000002 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000040 R14: 00000000006f06a0 R15: 0000000000000000 binder_alloc: binder_alloc_mmap_handler: 18536 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18536: binder_alloc_buf, no vma binder: 18536:18541 transaction failed 29189/-3, size 40-0 line 2963 binder: 18536:18537 ioctl 40046207 0 returned -16 binder: release 18536:18537 transaction 158 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 158, target dead binder_alloc: binder_alloc_mmap_handler: 18581 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18581:18592 ioctl 40046207 0 returned -16 binder: 18581:18583 got new transaction with bad transaction stack, transaction 161 has target 18581:0 binder: 18581:18583 transaction failed 29201/-71, size 40-0 line 2875 binder: release 18581:18583 transaction 161 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 161, target dead QAT: Invalid ioctl binder_alloc: binder_alloc_mmap_handler: 18628 20000000-20002000 already mapped failed -16 QAT: Invalid ioctl binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18628: binder_alloc_buf, no vma binder: 18628:18631 ioctl 40046207 0 returned -16 binder: 18628:18642 transaction failed 29189/-3, size 40-0 line 2963 binder: release 18628:18631 transaction 164 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 164, target dead binder: 18654:18658 ioctl c0306201 20008000 returned -14 binder: 18654:18658 ioctl 800442d4 20000440 returned -22 binder_alloc: binder_alloc_mmap_handler: 18654 20000000-20002000 already mapped failed -16 QAT: Invalid ioctl binder: BINDER_SET_CONTEXT_MGR already set binder: 18654:18658 ioctl 40046207 0 returned -16 binder: 18654:18683 ioctl c0306201 20008000 returned -14 binder: 18654:18675 ioctl 800442d4 20000440 returned -22 binder: 18713:18716 ioctl c0306201 20008000 returned -14 binder_alloc: binder_alloc_mmap_handler: 18713 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18713:18729 ioctl c0306201 20008000 returned -14 binder: 18713:18716 ioctl 40046207 0 returned -16 binder: 18759:18762 ioctl aea2 2 returned -22 binder: 18759:18762 ioctl 4028641b 20000300 returned -22 binder_alloc: binder_alloc_mmap_handler: 18759 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18759:18769 ioctl 40046207 0 returned -16 binder: 18759:18762 ioctl aea2 2 returned -22 binder: 18759:18770 ioctl 4028641b 20000300 returned -22 binder_alloc: binder_alloc_mmap_handler: 18777 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 18777: binder_alloc_buf, no vma binder: 18777:18785 transaction failed 29189/-3, size 40-0 line 2963 binder: 18777:18781 ioctl 40046207 0 returned -16 binder: release 18777:18781 transaction 170 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 170, target dead binder: 18819:18827 ioctl c0306201 20008000 returned -14 binder_alloc: binder_alloc_mmap_handler: 18819 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18820:18829 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 18819:18827 ioctl 40046207 0 returned -16 binder: 18819:18841 ioctl c0306201 20008000 returned -14 binder_alloc: 18819: binder_alloc_buf, no vma binder: 18820:18829 transaction failed 29189/-3, size 0-8 line 2963 binder: BINDER_SET_CONTEXT_MGR already set binder: 18820:18838 ioctl 40046207 0 returned -16 binder: 18820:18838 transaction failed 29189/-22, size 0-8 line 2848 binder_alloc: binder_alloc_mmap_handler: 18859 20000000-20002000 already mapped failed -16 binder: undelivered TRANSACTION_ERROR: 29189 binder: BINDER_SET_CONTEXT_MGR already set binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 18859: binder_alloc_buf, no vma binder: 18859:18863 transaction failed 29189/-3, size 40-0 line 2963 binder: 18859:18861 ioctl 40046207 0 returned -16 binder: release 18859:18861 transaction 176 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 176, target dead