ci2 starts bisection 2024-06-11 07:30:56.812248811 +0000 UTC m=+8102.677384461 bisecting fixing commit since 92432f07d6635531a982c0d4c7ea1274915aac67 building syzkaller on 578f753887693e1375d17cf79dc1c575f6032a5d ensuring issue is reproducible on original commit 92432f07d6635531a982c0d4c7ea1274915aac67 testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a95b6c3bfbd5744c3772e71be067d550f5593495c10d72c38701ed6781b4969 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a04f76dfd30545d6e3f5474781e800d08858e9c3e997e82fa2c18de87ed0730f 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8abd11253af90123874f505c7205ce53fde434ae2ac83242d95ebbbfb973b53 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 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75308498b247c10a2443f14ffa82b87613f03ceceed84d176d30b6669cbc92fc 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb06f2586f0978c72b7ea8c065f49e1fec712cd52607bd8785a254a31a11afb7 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ffdef0fd9d245c3003fba3be404789a254561365b0dbecd82bd1f4cc5a8d13d2 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 92432f07d6635531a982c0d4c7ea1274915aac67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 92432f07d6635531a982c0d4c7ea1274915aac67: 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD ac9706483e98b63ce12c448c7f1104b239b90a0b testing commit ac9706483e98b63ce12c448c7f1104b239b90a0b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e180c44d1115c353c9648772a12b7a0d9964cbf45d9306212f05d51eb5fa0af9 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: 46m32.856498366s (build: 24m34.072792222s, test: 19m30.926285137s) crash still not fixed or there were kernel test errors commit msg: ANDROID: GKI: Add initial symbol list for bcmstb crash: BUG: unable to handle kernel NULL pointer dereference in do_renameat2 BUG: kernel NULL pointer dereference, address: 0000000000000003 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11440d067 P4D 11440d067 PUD 11440a067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 346 Comm: syz-executor.0 Not tainted 6.1.78-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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+0x379/0x670 fs/namei.c:4976 Code: 48 8d bd 60 ff ff ff 48 8b b5 30 ff ff ff 44 89 e2 e8 7b a7 ff ff 49 89 c7 48 3d 00 f0 ff ff b8 a0 00 00 00 0f 87 79 01 00 00 <41> f6 47 02 70 0f 84 09 01 00 00 48 8d bd 50 ff ff ff 48 8b b5 20 RSP: 0018:ffffc90000733de8 EFLAGS: 00010203 RAX: 00000000000000a0 RBX: 00000000000000a0 RCX: 0000000000000004 RDX: 00000000ffffff9c RSI: 0000000400000000 RDI: ffff888100321300 RBP: ffffc90000733f00 R08: ffff8881144fb5c0 R09: ffffffff8154688c R10: ffff8881144fb5c0 R11: ffff888100041400 R12: 0000000000000000 R13: ffff888108a481a0 R14: 0000000020000101 R15: 0000000000000001 FS: 00007fd3b759c6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 0000000114419000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd3b687dda9 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:00007fd3b759c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fd3b69ac050 RCX: 00007fd3b687dda9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007fd3b68ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fd3b69ac050 R15: 00007ffe90742b68 Modules linked in: CR2: 0000000000000003 ---[ 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+0x379/0x670 fs/namei.c:4976 Code: 48 8d bd 60 ff ff ff 48 8b b5 30 ff ff ff 44 89 e2 e8 7b a7 ff ff 49 89 c7 48 3d 00 f0 ff ff b8 a0 00 00 00 0f 87 79 01 00 00 <41> f6 47 02 70 0f 84 09 01 00 00 48 8d bd 50 ff ff ff 48 8b b5 20 RSP: 0018:ffffc90000733de8 EFLAGS: 00010203 RAX: 00000000000000a0 RBX: 00000000000000a0 RCX: 0000000000000004 RDX: 00000000ffffff9c RSI: 0000000400000000 RDI: ffff888100321300 RBP: ffffc90000733f00 R08: ffff8881144fb5c0 R09: ffffffff8154688c R10: ffff8881144fb5c0 R11: ffff888100041400 R12: 0000000000000000 R13: ffff888108a481a0 R14: 0000000020000101 R15: 0000000000000001 FS: 00007fd3b759c6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000003 CR3: 0000000114419000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 8d bd 60 ff ff ff lea -0xa0(%rbp),%rdi 7: 48 8b b5 30 ff ff ff mov -0xd0(%rbp),%rsi e: 44 89 e2 mov %r12d,%edx 11: e8 7b a7 ff ff call 0xffffa791 16: 49 89 c7 mov %rax,%r15 19: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 1f: b8 a0 00 00 00 mov $0xa0,%eax 24: 0f 87 79 01 00 00 ja 0x1a3 * 2a: 41 f6 47 02 70 testb $0x70,0x2(%r15) <-- trapping instruction 2f: 0f 84 09 01 00 00 je 0x13e 35: 48 8d bd 50 ff ff ff lea -0xb0(%rbp),%rdi 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: b5 20 mov $0x20,%ch