ci2 starts bisection 2024-02-23 23:57:51.980871195 +0000 UTC m=+112467.853207986 bisecting fixing commit since 754f8cc9b7de7629e6aefa505dfc24c36a36d236 building syzkaller on f757a3234f43deecbf7b1af37101b8ac6dd14cd0 ensuring issue is reproducible on original commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 995037bf6bcbbecb42f31d08e9d23eadde17c371d14923ae8dd75c2d5145876f all runs: crashed: general protection fault in vfs_rename representative crash: general protection fault in vfs_rename, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c3d445827bcc3454726f03de87dc5fb2d20c4e3f16bb6c58d4a4b70288d76b8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4920 full=6163 leaves diff=241 split chunks (needed=false): <241> split chunk #0 of len 241 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc47125d1641531ed5c44f27ece3bf202aac35013c30fc2edeff54e62633cd83 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 17988cfd84a9dd7c54a5167681b9ee8612397544d5f747d0119a7d4ba53aaec9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 002f6ac0bef2460ad3d53dc4925039900281abd5626851ef29015f8d556f11eb all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2c206e4eff2139cd885149e50622414e8d414347ffea3885b15d76a13f9290f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, 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 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 754f8cc9b7de7629e6aefa505dfc24c36a36d236: net/socket.c:1172: undefined reference to `wext_handle_ioctl' net/socket.c:3366: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:343: undefined reference to `wext_proc_exit' net/core/net-procfs.c:327: undefined reference to `wext_proc_init' minimized to 45 configs; suspects: [HID_ZEROPLUS 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 993bed180178156a70afdafe8aaf23a117107352 testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92b8350f44e6430d849ee5fe54f733460fc54ffc93598c271e0a0fa3f405adba all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename representative crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 35m7.339489156s (build: 12m45.412007282s, test: 20m26.413716655s) crash still not fixed or there were kernel test errors commit msg: Merge "Merge branch 'android13-5.15' into branch 'android13-5.15-lts'" into android13-5.15-lts crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename BUG: kernel NULL pointer dereference, address: 0000000000000040 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 112782067 P4D 112782067 PUD 112786067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 348 Comm: syz-executor.0 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:vfs_rename+0x2f/0x9c0 fs/namei.c:4726 Code: 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 70 4c 8b 7f 10 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4c 8b 67 28 49 8b 47 30 <4d> 8b 6c 24 30 48 89 45 88 4c 39 e8 0f 84 fd 00 00 00 48 8b 47 30 RSP: 0018:ffffc900003dbd78 EFLAGS: 00010246 RAX: ffff88810ac7e000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881002c5031 RSI: 0000000000000000 RDI: ffffc900003dbea0 RBP: ffffc900003dbe10 R08: 0000000000000007 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000010 R13: ffff8881002c5000 R14: ffff88810ad2e270 R15: ffff88810ad2e270 FS: 00007f3c24ce06c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000040 CR3: 0000000112773000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0x3ad/0x590 fs/namei.c:4971 __do_sys_rename fs/namei.c:5017 [inline] __se_sys_rename fs/namei.c:5015 [inline] __x64_sys_rename+0x40/0x50 fs/namei.c:5015 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f3c2515dae9 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:00007f3c24ce00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f3c2527cf80 RCX: 00007f3c2515dae9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007f3c251a947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3c2527cf80 R15: 00007ffcb3b28f68 Modules linked in: CR2: 0000000000000040 ---[ end trace dee87b3fcf6d7629 ]--- RIP: 0010:vfs_rename+0x2f/0x9c0 fs/namei.c:4726 Code: 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 70 4c 8b 7f 10 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4c 8b 67 28 49 8b 47 30 <4d> 8b 6c 24 30 48 89 45 88 4c 39 e8 0f 84 fd 00 00 00 48 8b 47 30 RSP: 0018:ffffc900003dbd78 EFLAGS: 00010246 RAX: ffff88810ac7e000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881002c5031 RSI: 0000000000000000 RDI: ffffc900003dbea0 RBP: ffffc900003dbe10 R08: 0000000000000007 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000010 R13: ffff8881002c5000 R14: ffff88810ad2e270 R15: ffff88810ad2e270 FS: 00007f3c24ce06c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000040 CR3: 0000000112773000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 e5 mov %esp,%ebp 2: 41 57 push %r15 4: 41 56 push %r14 6: 41 55 push %r13 8: 41 54 push %r12 a: 53 push %rbx b: 48 83 ec 70 sub $0x70,%rsp f: 4c 8b 7f 10 mov 0x10(%rdi),%r15 13: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 1a: 00 00 1c: 48 89 45 d0 mov %rax,-0x30(%rbp) 20: 31 c0 xor %eax,%eax 22: 4c 8b 67 28 mov 0x28(%rdi),%r12 26: 49 8b 47 30 mov 0x30(%r15),%rax * 2a: 4d 8b 6c 24 30 mov 0x30(%r12),%r13 <-- trapping instruction 2f: 48 89 45 88 mov %rax,-0x78(%rbp) 33: 4c 39 e8 cmp %r13,%rax 36: 0f 84 fd 00 00 00 je 0x139 3c: 48 8b 47 30 mov 0x30(%rdi),%rax