ci2 starts bisection 2024-07-08 23:30:15.347814118 +0000 UTC m=+40946.340551520 bisecting fixing commit since 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde building syzkaller on c0f1611a36d66bb0bb8e2f294b97fb685bfc5f9c ensuring issue is reproducible on original commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5c07166d5585a1713cdfba763d7e44cb05ee3f4f1c16a0b35c870ffa1284a63 all runs: crashed: general protection fault in dir_rename_wrap representative crash: general protection fault in dir_rename_wrap, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ecfffa45b948e9f7b4db7258731b1d28771623fc28c59c2050ac7b76806aa1c7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4789 full=6018 leaves diff=238 split chunks (needed=false): <238> split chunk #0 of len 238 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5a7b1b126f4360e59746672180bcd7ecd8de178cb167c5ddccbf4ae8769ab89 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d89be46a1f929f81dc6a0a01407089c29032101baf2327a64efe5f62cd5f34b8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0a9808f8e37baa5cc1123c1828c80f41a6e048cad5c2334aa238af3362929091 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e66a73c52fe61c61eaee898c14db30d94920fe1daf1489b2a12bef15ee132de all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 70b6ab09a34b4cbcada982b2f5c68a408a5c0cde: net/socket.c:1128: undefined reference to `wext_handle_ioctl' net/socket.c:3397: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346: undefined reference to `wext_proc_exit' net/core/net-procfs.c:330: undefined reference to `wext_proc_init' minimized to 46 configs; suspects: [HID_ZEROPLUS USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL USB_SERIAL_FTDI_SIO USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF] disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 3feee789f44683df0030028bc3536a4f043b04cd testing commit 3feee789f44683df0030028bc3536a4f043b04cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c65b74132e04f31858ea6fe37f6eaabb4fefde64100785e0bd496f83593e9111 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 50m0.783633149s (build: 14m29.825276227s, test: 30m46.270273825s) crash still not fixed or there were kernel test errors commit msg: Merge 5.10.218 into android13-5.10-lts crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap BUG: kernel NULL pointer dereference, address: 0000000000000008 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 111cf9067 P4D 111cf9067 PUD 111db7067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 483 Comm: syz-executor Not tainted 5.10.218-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:dir_rename fs/incfs/vfs.c:1375 [inline] RIP: 0010:dir_rename_wrap+0x7c/0x220 fs/incfs/vfs.c:85 Code: 84 95 01 00 00 4c 3b 6b 18 0f 84 8b 01 00 00 4c 3b 6b 28 0f 84 81 01 00 00 48 8b 45 d0 48 85 c0 0f 84 8c 01 00 00 48 8b 40 78 <48> 8b 40 08 49 8d 7d 58 49 89 c6 48 89 45 c0 e8 f0 68 11 00 4d 85 RSP: 0018:ffffc900006b3d40 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888111d78800 RCX: ffff888109c09ea0 RDX: ffff88810d6a4a00 RSI: ffff888109de8270 RDI: ffff888111d78860 RBP: ffffc900006b3d88 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888111d79418 R13: ffff888109c09750 R14: 0000000000000000 R15: ffff888111d78860 FS: 00007fde3205a6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000111c1f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rename+0x78a/0xae0 fs/namei.c:4474 do_renameat2+0x33f/0x4f0 fs/namei.c:4619 __do_sys_renameat2 fs/namei.c:4657 [inline] __se_sys_renameat2 fs/namei.c:4654 [inline] __x64_sys_renameat2+0x4c/0x60 fs/namei.c:4654 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fde324d7ee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fde3205a0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007fde32606f80 RCX: 00007fde324d7ee9 RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007fde3252449e R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fde32606f80 R15: 00007ffdb8e53e88 Modules linked in: CR2: 0000000000000008 ---[ end trace 915bdb74f0127b18 ]--- RIP: 0010:dir_rename fs/incfs/vfs.c:1375 [inline] RIP: 0010:dir_rename_wrap+0x7c/0x220 fs/incfs/vfs.c:85 Code: 84 95 01 00 00 4c 3b 6b 18 0f 84 8b 01 00 00 4c 3b 6b 28 0f 84 81 01 00 00 48 8b 45 d0 48 85 c0 0f 84 8c 01 00 00 48 8b 40 78 <48> 8b 40 08 49 8d 7d 58 49 89 c6 48 89 45 c0 e8 f0 68 11 00 4d 85 RSP: 0018:ffffc900006b3d40 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888111d78800 RCX: ffff888109c09ea0 RDX: ffff88810d6a4a00 RSI: ffff888109de8270 RDI: ffff888111d78860 RBP: ffffc900006b3d88 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888111d79418 R13: ffff888109c09750 R14: 0000000000000000 R15: ffff888111d78860 FS: 00007fde3205a6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000111c1f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 84 95 01 00 00 4c test %dl,0x4c000001(%rbp) 6: 3b 6b 18 cmp 0x18(%rbx),%ebp 9: 0f 84 8b 01 00 00 je 0x19a f: 4c 3b 6b 28 cmp 0x28(%rbx),%r13 13: 0f 84 81 01 00 00 je 0x19a 19: 48 8b 45 d0 mov -0x30(%rbp),%rax 1d: 48 85 c0 test %rax,%rax 20: 0f 84 8c 01 00 00 je 0x1b2 26: 48 8b 40 78 mov 0x78(%rax),%rax * 2a: 48 8b 40 08 mov 0x8(%rax),%rax <-- trapping instruction 2e: 49 8d 7d 58 lea 0x58(%r13),%rdi 32: 49 89 c6 mov %rax,%r14 35: 48 89 45 c0 mov %rax,-0x40(%rbp) 39: e8 f0 68 11 00 call 0x11692e 3e: 4d rex.WRB 3f: 85 .byte 0x85