ci2 starts bisection 2024-09-17 09:51:51.111176373 +0000 UTC m=+69196.601603954 bisecting fixing commit since 68c821783c7688df37f4ac7bb39f3fb606b827c0 building syzkaller on a10a183e260f0ea1a0c37e84ca5c60f28c13e3fd ensuring issue is reproducible on original commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 403bfeb823119cf56b5c4f949c4ec10b0a72e292851385e6e7ab0afae5577612 all runs: crashed: general protection fault in dir_rename_wrap representative crash: general protection fault in dir_rename_wrap, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5f11218dce11b504818a6c340f77764360a2324e353b2922b2ea59ca5fac660a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, 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=6494 leaves diff=257 split chunks (needed=false): <257> split chunk #0 of len 257 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 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d5daa64464ba20396866de9cb053d38a1f89923f26ff2c48d653f3aa095aaa6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e61db235e836f1ceb58e591a13a7c4030ad050d03d387535be8ffa52b1f81a14 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, 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 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08f84f466932db7d37e13a5ba1f5d79d90f5e30fbae99857f58952097c4a44cc all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40d0b13547572ac6c8b8bcfcb6fb04bda6d24835a0a1f8534bb6ccfda59899f2 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 68c821783c7688df37f4ac7bb39f3fb606b827c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 68c821783c7688df37f4ac7bb39f3fb606b827c0: net/socket.c:1245: undefined reference to `wext_handle_ioctl' net/socket.c:3442: 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 49 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_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 d1f3a046a65db6416f9db0df03c6c1ca5916ac21 testing commit d1f3a046a65db6416f9db0df03c6c1ca5916ac21 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 750fe6576941e10fac25ab9e2adacf34b7c0c0e333091cbb0c40b8223415a060 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap representative crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 59m3.347914857s (build: 25m52.416177608s, test: 30m28.049994413s) crash still not fixed or there were kernel test errors commit msg: FROMGIT: f2fs: prevent atomic file from being dirtied before commit crash: BUG: unable to handle kernel NULL pointer dereference in dir_rename_wrap BUG: kernel NULL pointer dereference, address: 0000000000000008 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 110961067 P4D 110961067 PUD 11095e067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 458 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:dir_rename fs/incfs/vfs.c:1419 [inline] RIP: 0010:dir_rename_wrap+0xef/0x2e0 fs/incfs/vfs.c:91 Code: 84 bc 01 00 00 48 3b 59 18 0f 84 b2 01 00 00 48 3b 59 28 0f 84 a8 01 00 00 48 8b 45 80 48 85 c0 74 06 48 8b 40 78 eb 02 31 c0 <4c> 8b 60 08 48 8d 7b 58 e8 f4 4a 15 00 4d 85 e4 74 0a 49 8d 7c 24 RSP: 0018:ffffc9000081bc58 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88810905f1a0 RCX: ffff88810ce81800 RDX: 00000000ffff9a61 RSI: ffff888108a78000 RDI: ffff88810ce81860 RBP: ffffc9000081bcf8 R08: ffff8881090489c0 R09: 0000000000000002 R10: ffff888100190e00 R11: ffff88810c0a8d38 R12: ffff88810ce81860 R13: ffff88810b6dd750 R14: 00000000fffffff0 R15: ffff88810ce81860 FS: 00007fbee2bff6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000011096e000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_rename+0x4ba/0x670 fs/namei.c:4875 do_renameat2+0x486/0x670 fs/namei.c:5028 __do_sys_renameat2 fs/namei.c:5061 [inline] __se_sys_renameat2 fs/namei.c:5058 [inline] __x64_sys_renameat2+0x50/0x60 fs/namei.c:5058 x64_sys_call+0x85c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:317 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: 0033:0x7fbee307cee9 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:00007fbee2bff0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007fbee31abf80 RCX: 00007fbee307cee9 RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007fbee30c949e R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbee31abf80 R15: 00007ffd4a20e1a8 Modules linked in: CR2: 0000000000000008 ---[ end trace 0000000000000000 ]--- RIP: 0010:dir_rename fs/incfs/vfs.c:1419 [inline] RIP: 0010:dir_rename_wrap+0xef/0x2e0 fs/incfs/vfs.c:91 Code: 84 bc 01 00 00 48 3b 59 18 0f 84 b2 01 00 00 48 3b 59 28 0f 84 a8 01 00 00 48 8b 45 80 48 85 c0 74 06 48 8b 40 78 eb 02 31 c0 <4c> 8b 60 08 48 8d 7b 58 e8 f4 4a 15 00 4d 85 e4 74 0a 49 8d 7c 24 RSP: 0018:ffffc9000081bc58 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88810905f1a0 RCX: ffff88810ce81800 RDX: 00000000ffff9a61 RSI: ffff888108a78000 RDI: ffff88810ce81860 RBP: ffffc9000081bcf8 R08: ffff8881090489c0 R09: 0000000000000002 R10: ffff888100190e00 R11: ffff88810c0a8d38 R12: ffff88810ce81860 R13: ffff88810b6dd750 R14: 00000000fffffff0 R15: ffff88810ce81860 FS: 00007fbee2bff6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000011096e000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 84 bc 01 00 00 48 3b test %bh,0x3b480000(%rcx,%rax,1) 7: 59 pop %rcx 8: 18 0f sbb %cl,(%rdi) a: 84 b2 01 00 00 48 test %dh,0x48000001(%rdx) 10: 3b 59 28 cmp 0x28(%rcx),%ebx 13: 0f 84 a8 01 00 00 je 0x1c1 19: 48 8b 45 80 mov -0x80(%rbp),%rax 1d: 48 85 c0 test %rax,%rax 20: 74 06 je 0x28 22: 48 8b 40 78 mov 0x78(%rax),%rax 26: eb 02 jmp 0x2a 28: 31 c0 xor %eax,%eax * 2a: 4c 8b 60 08 mov 0x8(%rax),%r12 <-- trapping instruction 2e: 48 8d 7b 58 lea 0x58(%rbx),%rdi 32: e8 f4 4a 15 00 call 0x154b2b 37: 4d 85 e4 test %r12,%r12 3a: 74 0a je 0x46 3c: 49 rex.WB 3d: 8d .byte 0x8d 3e: 7c 24 jl 0x64