kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 21415 Comm: syz-executor.0 Not tainted 5.1.0-rc3-next-20190402 #16 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:allow_write_access include/linux/fs.h:2871 [inline] RIP: 0010:load_elf_binary+0x7cd/0x5230 fs/binfmt_elf.c:1179 Code: f0 fe ff ff e8 34 18 dc ff e8 df a8 a3 ff 48 8b 85 18 ff ff ff 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a5 49 00 00 4c 8b bd 18 ff ff ff be 04 00 00 00 RSP: 0018:ffff88802a477be8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: fffffffffffffffe RCX: ffffc90005de3000 RDX: 0000000000000003 RSI: ffffffff81ccd801 RDI: 000000000000001e RBP: ffff88802a477d68 R08: ffff888090fae240 R09: ffffed1015d25bd0 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 00000000fffffffe R13: ffff888065b0a000 R14: ffff8880628caf00 R15: ffff888065aead40 FS: 00007f394cab1700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f198b357000 CR3: 0000000090cad000 CR4: 00000000001406f0 Call Trace: search_binary_handler fs/exec.c:1656 [inline] search_binary_handler+0x17f/0x570 fs/exec.c:1634 exec_binprm fs/exec.c:1698 [inline] __do_execve_file.isra.0+0x1394/0x23f0 fs/exec.c:1818 do_execveat_common fs/exec.c:1865 [inline] do_execveat fs/exec.c:1893 [inline] __do_sys_execveat fs/exec.c:1969 [inline] __se_sys_execveat fs/exec.c:1961 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:1961 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582b9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f394cab0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004582b9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f394cab16d4 R13: 00000000004be80b R14: 00000000004cf510 R15: 00000000ffffffff Modules linked in: ---[ end trace 24585458fa35cb69 ]--- RIP: 0010:allow_write_access include/linux/fs.h:2871 [inline] RIP: 0010:load_elf_binary+0x7cd/0x5230 fs/binfmt_elf.c:1179 Code: f0 fe ff ff e8 34 18 dc ff e8 df a8 a3 ff 48 8b 85 18 ff ff ff 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a5 49 00 00 4c 8b bd 18 ff ff ff be 04 00 00 00 RSP: 0018:ffff88802a477be8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: fffffffffffffffe RCX: ffffc90005de3000 RDX: 0000000000000003 RSI: ffffffff81ccd801 RDI: 000000000000001e RBP: ffff88802a477d68 R08: ffff888090fae240 R09: ffffed1015d25bd0 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 00000000fffffffe R13: ffff888065b0a000 R14: ffff8880628caf00 R15: ffff888065aead40 FS: 00007f394cab1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000090cad000 CR4: 00000000001406e0