mapped:58864 shmem:62 pagetables:2535 bounce:0 free:1427735 free_pcp:189 free_cma:0 binder: 17751:17756 transaction failed 29189/-22, size 0-0 line 3117 ------------[ cut here ]------------ binder: undelivered TRANSACTION_ERROR: 29189 kernel BUG at drivers/android/binder_alloc.c:1130! Node 0 active_anon:279036kB inactive_anon:144kB active_file:18544kB inactive_file:48804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:235300kB dirty:696kB writeback:8kB shmem:248kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no binder: 17766:17774 got transaction with invalid offset (0, min 0 max 24) or object. DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB binder: undelivered TRANSACTION_ERROR: 29189 lowmem_reserve[]: binder: 17766:17774 transaction failed 29201/-22, size 24-8 line 3348 invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI binder: 17766:17774 ioctl c0306201 200002c0 returned -14 Modules linked in: CPU: 1 PID: 17770 Comm: syz-executor.5 Not tainted 4.14.108+ #38 task: ffff8881d5edde00 task.stack: ffff8881c7fc0000 RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: 0018:ffff8881c7fc75d0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000020001000 RCX: 0000000000000342 RDX: ffffffff82237477 RSI: ffffc9000d450000 RDI: ffff8881ca4063d8 RBP: 0000000000000020 R08: ffff8881c7fc78b0 R09: 0000000000000028 R10: ffffed1038ff8f06 R11: ffff8881c7fc7837 R12: ffff8881d084e698 R13: 0000000000000028 R14: 9e82d82a27038b00 R15: ffff8881c7fc78b0 FS: 00007ffa304aa700(0000) GS:ffff8881d7700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000940004 CR3: 00000001cff72002 CR4: 00000000001606a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: binder_get_object+0x90/0x190 drivers/android/binder.c:2244 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 04 00 00 48 8b 6d 58 48 29 dd e8 33 33 0d ff 49 39 binder: undelivered TRANSACTION_ERROR: 29189 ed 76 07 e8 29 33 0d ff <0f> 0b e8 22 33 0d ff 4c 29 ed 49 39 ee 77 ec e8 15 33 0d ff 41 RIP: binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: ffff8881c7fc75d0 0 binder: undelivered TRANSACTION_ERROR: 29189 3437 ---[ end trace 5d1726c8e01d36fb ]--- 3437 Normal free:2631436kB min:5476kB low:8996kB high:12516kB active_anon:278972kB inactive_anon:144kB active_file:18544kB inactive_file:48912kB unevictable:0kB writepending:696kB present:4718592kB managed:3521456kB mlocked:0kB kernel_stack:5664kB pagetables:10268kB bounce:0kB free_pcp:1172kB local_pcp:664kB free_cma:0kB lowmem_reserve[]: 0