ci2 starts bisection 2024-11-16 09:10:54.947866988 +0000 UTC m=+55708.530860373 bisecting fixing commit since 993bed180178156a70afdafe8aaf23a117107352 building syzkaller on e104824c06ba54122c1d17b5b26dd21c57e427b6 ensuring issue is reproducible on original commit 993bed180178156a70afdafe8aaf23a117107352 testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92155297e02ff6a10402f68eabe1b08104c07f385baa3410688d6df49e86c51a 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c4c2a09449f3a62236be3642308a18d2109da32aa26014e387b8d954b33092f7 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=4920 full=6159 leaves diff=242 split chunks (needed=false): <242> split chunk #0 of len 242 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c65c2a0cdfbb31a1aa51866a069f9843d6634092ea6f2dafea55e63f6d9fc95 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 392e35798eca55667d9589b2f60e1bfdcc447bddd873eeb9edcee98363b77a1f 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 45c4371833b669b031b99c3c05cdad519a8ea99fd7e586ee40b3aeeb9f324667 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe835042269d1fcb622a85239505dada76f5b9e95e9acdb83055196b12e5b556 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 993bed180178156a70afdafe8aaf23a117107352: net/socket.c:1191: undefined reference to `wext_handle_ioctl' net/socket.c:3385: 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 46 configs; suspects: [HID_ZEROPLUS 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 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD 3bfe08931bffb84e380fa0b40f02bceef7dfb2ce testing commit 3bfe08931bffb84e380fa0b40f02bceef7dfb2ce gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 651fc2bf57420af2e5117c6b9a62b4b1e6fd79aadf975e4d16b9f43f7ff77967 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: 47m1.99849391s (build: 17m56.581172057s, test: 27m25.963247475s) crash still not fixed or there were kernel test errors commit msg: Merge branch 'android13-5.15' into android13-5.15-lts crash: BUG: unable to handle kernel NULL pointer dereference in vfs_rename BUG: kernel NULL pointer dereference, address: 000000000000003c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10e094067 P4D 10e094067 PUD 10e099067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 358 Comm: syz-executor.0 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:vfs_rename+0x2f/0xad0 fs/namei.c:4721 Code: 57 41 56 41 55 41 54 45 31 e4 53 48 83 c4 80 4c 8b 77 10 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4c 8b 6f 28 49 8b 76 30 <49> 8b 45 30 48 89 b5 78 ff ff ff 48 39 c6 48 89 45 90 0f 84 07 01 RSP: 0018:ffffc90000403d58 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881019cd031 RSI: ffff888108f6b400 RDI: ffffc90000403e90 RBP: ffffc90000403e00 R08: 0000000000000006 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000c R14: ffff888109d498f0 R15: 00000000ffffffd9 FS: 00007feea3c8f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000003c CR3: 000000010b876000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0x3ad/0x590 fs/namei.c:4985 __do_sys_rename fs/namei.c:5031 [inline] __se_sys_rename fs/namei.c:5029 [inline] __x64_sys_rename+0x40/0x50 fs/namei.c:5029 x64_sys_call+0x744/0x990 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7feea414fda9 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:00007feea3c8f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007feea427e120 RCX: 00007feea414fda9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007feea419c47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007feea427e120 R15: 00007ffcf54e7f98 Modules linked in: CR2: 000000000000003c ---[ end trace 6ec462fd47cb3f9b ]--- RIP: 0010:vfs_rename+0x2f/0xad0 fs/namei.c:4721 Code: 57 41 56 41 55 41 54 45 31 e4 53 48 83 c4 80 4c 8b 77 10 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 4c 8b 6f 28 49 8b 76 30 <49> 8b 45 30 48 89 b5 78 ff ff ff 48 39 c6 48 89 45 90 0f 84 07 01 RSP: 0018:ffffc90000403d58 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881019cd031 RSI: ffff888108f6b400 RDI: ffffc90000403e90 RBP: ffffc90000403e00 R08: 0000000000000006 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000c R14: ffff888109d498f0 R15: 00000000ffffffd9 FS: 00007feea3c8f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000003c CR3: 000000010b876000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 57 push %rdi 1: 41 56 push %r14 3: 41 55 push %r13 5: 41 54 push %r12 7: 45 31 e4 xor %r12d,%r12d a: 53 push %rbx b: 48 83 c4 80 add $0xffffffffffffff80,%rsp f: 4c 8b 77 10 mov 0x10(%rdi),%r14 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 6f 28 mov 0x28(%rdi),%r13 26: 49 8b 76 30 mov 0x30(%r14),%rsi * 2a: 49 8b 45 30 mov 0x30(%r13),%rax <-- trapping instruction 2e: 48 89 b5 78 ff ff ff mov %rsi,-0x88(%rbp) 35: 48 39 c6 cmp %rax,%rsi 38: 48 89 45 90 mov %rax,-0x70(%rbp) 3c: 0f .byte 0xf 3d: 84 07 test %al,(%rdi) 3f: 01 .byte 0x1