ci2 starts bisection 2023-10-19 18:06:44.28019823 +0000 UTC m=+28588.434781551 bisecting fixing commit since d3212c2dbababf849d940f5f7001f4fde222b888 building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784 ensuring issue is reproducible on original commit d3212c2dbababf849d940f5f7001f4fde222b888 testing commit d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 762325818bcff4cfdaf7d4399de764e3e7f8d67d2331ce2a6764d8feb7e7965e all runs: crashed: general protection fault in do_renameat2 representative crash: general protection fault in do_renameat2, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6c71f9598314dd83b84ab8ce2cbccb4b72d29ccbd1d914623eb5799619a0ece all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=5179 full=6487 leaves diff=250 split chunks (needed=false): <250> split chunk #0 of len 250 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 d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 27f114670e22b4d0ab5c50df509b82ac73ff841034e3084cd3298e271d617a2b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6a2a0f78dd851c5622b0d07c2b7de6ab3e2157df53aaca81df98f7122e8369e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 554254d39ffdf4a43fd5fc47e457b83cbffdcccfb0378fc483243ec716b6db5c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 31163a7eb579c137e97d7efc5d7d44fcbcf0f29cb2e7e0ce313134c74635c7fb all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, 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 d3212c2dbababf849d940f5f7001f4fde222b888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building d3212c2dbababf849d940f5f7001f4fde222b888: net/socket.c:1225: undefined reference to `wext_handle_ioctl' net/socket.c:3420: 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 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE 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 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 73cee741119b85488a53cbd134b4db4297ac0c6d testing commit 73cee741119b85488a53cbd134b4db4297ac0c6d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 72eb91f84c74af60505a54fdb18b19bb670c88b3345c4d56deee8be6fa8afb42 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 representative crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 39m15.384282749s (build: 17m31.762603534s, test: 19m6.486254292s) crash still not fixed or there were kernel test errors commit msg: ANDROID: vendor_hooks: Export direct reclaim trace points crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 BUG: kernel NULL pointer dereference, address: 0000000000000012 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10ce55067 P4D 10ce55067 PUD 10cf98067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 350 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:d_is_miss include/linux/dcache.h:399 [inline] RIP: 0010:d_is_negative include/linux/dcache.h:445 [inline] RIP: 0010:do_renameat2+0x2f0/0x600 fs/namei.c:4879 Code: ee e8 d4 b9 ff ff 48 89 c3 48 8d bd 60 ff ff ff 4c 89 ee 44 89 e2 e8 9f e1 ff ff 49 89 c7 48 3d 00 f0 ff ff 0f 87 7b 01 00 00 <41> f6 47 02 70 48 8b b5 30 ff ff ff 0f 84 09 01 00 00 48 89 9d 00 RSP: 0018:ffffc9000078fde8 EFLAGS: 00010203 RAX: 0000000000000010 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000400000000 RSI: 0000000000000000 RDI: ffff888100308000 RBP: ffffc9000078ff00 R08: 00000000ffffff9c R09: ffffffff8153cfac R10: ffff88810bab7fc0 R11: ffff888100041400 R12: 0000000000000000 R13: ffff88810da2b4e0 R14: 0000000020000101 R15: 0000000000000010 FS: 00007fb46ab7c6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000012 CR3: 000000010cf9e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __do_sys_rename fs/namei.c:4976 [inline] __se_sys_rename fs/namei.c:4974 [inline] __x64_sys_rename+0x3f/0x50 fs/namei.c:4974 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb469e7cae9 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:00007fb46ab7c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fb469f9bf80 RCX: 00007fb469e7cae9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007fb469ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb469f9bf80 R15: 00007ffd7c2824f8 Modules linked in: CR2: 0000000000000012 ---[ end trace 0000000000000000 ]--- RIP: 0010:d_is_miss include/linux/dcache.h:399 [inline] RIP: 0010:d_is_negative include/linux/dcache.h:445 [inline] RIP: 0010:do_renameat2+0x2f0/0x600 fs/namei.c:4879 Code: ee e8 d4 b9 ff ff 48 89 c3 48 8d bd 60 ff ff ff 4c 89 ee 44 89 e2 e8 9f e1 ff ff 49 89 c7 48 3d 00 f0 ff ff 0f 87 7b 01 00 00 <41> f6 47 02 70 48 8b b5 30 ff ff ff 0f 84 09 01 00 00 48 89 9d 00 RSP: 0018:ffffc9000078fde8 EFLAGS: 00010203 RAX: 0000000000000010 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000400000000 RSI: 0000000000000000 RDI: ffff888100308000 RBP: ffffc9000078ff00 R08: 00000000ffffff9c R09: ffffffff8153cfac R10: ffff88810bab7fc0 R11: ffff888100041400 R12: 0000000000000000 R13: ffff88810da2b4e0 R14: 0000000020000101 R15: 0000000000000010 FS: 00007fb46ab7c6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000012 CR3: 000000010cf9e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: ee out %al,(%dx) 1: e8 d4 b9 ff ff call 0xffffb9da 6: 48 89 c3 mov %rax,%rbx 9: 48 8d bd 60 ff ff ff lea -0xa0(%rbp),%rdi 10: 4c 89 ee mov %r13,%rsi 13: 44 89 e2 mov %r12d,%edx 16: e8 9f e1 ff ff call 0xffffe1ba 1b: 49 89 c7 mov %rax,%r15 1e: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 24: 0f 87 7b 01 00 00 ja 0x1a5 * 2a: 41 f6 47 02 70 testb $0x70,0x2(%r15) <-- trapping instruction 2f: 48 8b b5 30 ff ff ff mov -0xd0(%rbp),%rsi 36: 0f 84 09 01 00 00 je 0x145 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 9d popf