ci2 starts bisection 2024-09-06 03:54:16.621143616 +0000 UTC m=+67596.918223729 bisecting fixing commit since 3f5807c586a627d7d2da02bb3daff87564577172 building syzkaller on 5b7d42ae0076f983317dceae96a942ea9d07c29c ensuring issue is reproducible on original commit 3f5807c586a627d7d2da02bb3daff87564577172 testing commit 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b099bde6edd6e3ed673a25a36575f3cd74b21eff5f446c173b5aa6d117fc63c 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 43d93484a3faaf3c3ad26ccd2d7fcaf24ee2d5e71ebe61646a060bb1b8594c80 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=5179 full=6492 leaves diff=255 split chunks (needed=false): <255> split chunk #0 of len 255 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 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba3c761615968c84f141b67a4281686525dd9801317e6911ad04ca9203a64134 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 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 807c6a51429d948405dd57f69d3e1e28e7eb187b0c42cbed8e1f544c7ff146a5 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f147d6333ea0566ab9a5a6fda6c9e55e79c91bee478dbf0453bc518d3894b717 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 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ab42298e047856cb616f8094cf90fd0167f9d4d7ec7ea6d4d235972c98fe96a6 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 3f5807c586a627d7d2da02bb3daff87564577172 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 3f5807c586a627d7d2da02bb3daff87564577172: net/socket.c:1242: undefined reference to `wext_handle_ioctl' net/socket.c:3437: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 51 configs; suspects: [HID_ZEROPLUS USB_NET_DM9601 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_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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD c7596f093d795cb92b77e57b87cb6c31868f275b testing commit c7596f093d795cb92b77e57b87cb6c31868f275b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 088bc308e7572303dbc6f66bcaffdd828494c7769399bde9507e895c58b4eb98 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: 1h2m42.191664202s (build: 31m55.731861274s, test: 28m23.665262584s) crash still not fixed or there were kernel test errors commit msg: ANDROID: gki_defconfig: Enable CONFIG_RTC_HCTOSYS for x86 crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename BUG: kernel NULL pointer dereference, address: 0000000000000042 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11412c067 P4D 11412c067 PUD 1140dc067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 371 Comm: syz-executor.0 Not tainted 6.1.93-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:vfs_rename+0x49/0x670 fs/namei.c:4764 Code: 00 48 89 45 d0 48 8b 77 08 4c 8b 7f 10 48 8b 4f 20 48 8b 57 28 4c 8b 4f 30 41 bd 00 00 60 00 45 23 2f 44 8b 47 38 49 8b 5f 30 <48> 8b 7a 30 48 8b 41 28 8b 80 28 04 00 00 48 c7 45 c8 00 00 00 00 RSP: 0018:ffffc900007dbd20 EFLAGS: 00010206 RAX: 61f4ac8e65598700 RBX: ffff88810c38c780 RCX: ffff888109d6f840 RDX: 0000000000000012 RSI: ffff888109d6f840 RDI: ffffc900007dbe80 RBP: ffffc900007dbdc8 R08: 0000000000000000 R09: ffffc900007dbe30 R10: ffff8881140d9780 R11: ffff888100041400 R12: ffffc900007dbe80 R13: 0000000000200000 R14: 0000000020000101 R15: ffff8881004b6820 FS: 00007fe267b9c6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000042 CR3: 000000011411f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0x486/0x670 fs/namei.c:5028 __do_sys_rename fs/namei.c:5074 [inline] __se_sys_rename fs/namei.c:5072 [inline] __x64_sys_rename+0x3f/0x50 fs/namei.c:5072 x64_sys_call+0x266/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe26807dda9 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:00007fe267b9c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fe2681ac1f0 RCX: 00007fe26807dda9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007fe2680ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fe2681ac1f0 R15: 00007ffcd2393638 Modules linked in: CR2: 0000000000000042 ---[ end trace 0000000000000000 ]--- RIP: 0010:vfs_rename+0x49/0x670 fs/namei.c:4764 Code: 00 48 89 45 d0 48 8b 77 08 4c 8b 7f 10 48 8b 4f 20 48 8b 57 28 4c 8b 4f 30 41 bd 00 00 60 00 45 23 2f 44 8b 47 38 49 8b 5f 30 <48> 8b 7a 30 48 8b 41 28 8b 80 28 04 00 00 48 c7 45 c8 00 00 00 00 RSP: 0018:ffffc900007dbd20 EFLAGS: 00010206 RAX: 61f4ac8e65598700 RBX: ffff88810c38c780 RCX: ffff888109d6f840 RDX: 0000000000000012 RSI: ffff888109d6f840 RDI: ffffc900007dbe80 RBP: ffffc900007dbdc8 R08: 0000000000000000 R09: ffffc900007dbe30 R10: ffff8881140d9780 R11: ffff888100041400 R12: ffffc900007dbe80 R13: 0000000000200000 R14: 0000000020000101 R15: ffff8881004b6820 FS: 00007fe267b9c6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000042 CR3: 000000011411f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 48 89 add %cl,-0x77(%rax) 3: 45 d0 48 8b rex.RB rorb -0x75(%r8) 7: 77 08 ja 0x11 9: 4c 8b 7f 10 mov 0x10(%rdi),%r15 d: 48 8b 4f 20 mov 0x20(%rdi),%rcx 11: 48 8b 57 28 mov 0x28(%rdi),%rdx 15: 4c 8b 4f 30 mov 0x30(%rdi),%r9 19: 41 bd 00 00 60 00 mov $0x600000,%r13d 1f: 45 23 2f and (%r15),%r13d 22: 44 8b 47 38 mov 0x38(%rdi),%r8d 26: 49 8b 5f 30 mov 0x30(%r15),%rbx * 2a: 48 8b 7a 30 mov 0x30(%rdx),%rdi <-- trapping instruction 2e: 48 8b 41 28 mov 0x28(%rcx),%rax 32: 8b 80 28 04 00 00 mov 0x428(%rax),%eax 38: 48 c7 45 c8 00 00 00 movq $0x0,-0x38(%rbp) 3f: 00