ci2 starts bisection 2024-01-15 03:05:32.449336048 +0000 UTC m=+212164.351244288 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: 3ba731caf0adb94262dbec4dbe767cf061f934571d558b8b83bdd6da72a9ad84 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: 1ce70c016954d5bf143bcdac4363833a208b6382c8998dcc0444810b316ec4a1 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], 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 [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 kernel signature: 68c5def30c46e29279ef2dfb09e73d84541fc052d8d7582972e5dd5410b08a5b 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: b9d7eb0a3ac3751da20a157ed6c95637ef2a41a4240bde416e801c12a2dc9f86 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 754f8cc9b7de7629e6aefa505dfc24c36a36d236 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1935abf35d4c992fdb2c12caa267fdda26360dceec4436c5b443bc621c9538f7 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 [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: a1cd536a17b36435dc97393743b2b01d58d05d73ffbfbc5866b50e7e6e87e6f7 run #0: failed: failed to run command in VM: broken console: Permission denied (publickey) run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in vfs_rename run #9: 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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 ea2937bdd12f6ebc51e6698c5696a1b16507999b testing commit ea2937bdd12f6ebc51e6698c5696a1b16507999b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d4f2827c1bdd17b941340aae4f985adb38b7e79e7b6fb3cd3bf6eae4c34c643 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: 33m16.399617804s (build: 12m20.247884891s, test: 19m5.725923997s) crash still not fixed or there were kernel test errors commit msg: Merge 5.15.145 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 11220d067 P4D 11220d067 PUD 112211067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 350 Comm: syz-executor.0 Not tainted 5.15.145-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 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:ffffc90000403d78 EFLAGS: 00010246 RAX: ffff88810b16f800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881002c4031 RSI: 0000000000000000 RDI: ffffc90000403ea0 RBP: ffffc90000403e10 R08: 0000000000000007 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 R13: ffff8881002c4000 R14: ffff888108dec750 R15: ffff888108dec750 FS: 00007f7d3b6bd6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000040 CR3: 00000001121fe000 CR4: 00000000003506a0 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: 0033:0x7f7d3bb3aae9 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:00007f7d3b6bd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f7d3bc59f80 RCX: 00007f7d3bb3aae9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007f7d3bb8647a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7d3bc59f80 R15: 00007ffc3d3ab418 Modules linked in: CR2: 0000000000000040 ---[ end trace 4bf8d38831231f9b ]--- 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:ffffc90000403d78 EFLAGS: 00010246 RAX: ffff88810b16f800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881002c4031 RSI: 0000000000000000 RDI: ffffc90000403ea0 RBP: ffffc90000403e10 R08: 0000000000000007 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 R13: ffff8881002c4000 R14: ffff888108dec750 R15: ffff888108dec750 FS: 00007f7d3b6bd6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000040 CR3: 00000001121fe000 CR4: 00000000003506a0 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