ci2 starts bisection 2024-05-03 11:57:01.401734072 +0000 UTC m=+11618.324759375 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: d363ff3702da37fd0df1d0837ef563cb195e6dff787db4b16f0f9538e16252ca 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: 56e4f3bd4b9fdedfb3b3427629f31721d8c6cdcc02e737c256e4ce29902c8663 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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: c1d2d8015986ddf3e1c714e899710b5e81d3f8da1e8e7ce4261584c3dbf25ff1 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 59ca42507c92f368c1f5708cde143513db0f5d9ca684b733b1b72c2d31cba73b 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], 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: 3084d227ee82e6adb90b38f2c2c68d14d67b14438f4ed577509c63ec15dd704d 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 [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: fd8ee99cbdfdbc4668f63ac8b2ce0fb9636e1fe32a4454bb88a3eb2f2baec937 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 [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 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 5d96939590c0122be2138255c921e57e3f78b7bd testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 711fbb9800df75041ce17031bb7ed41d58eb1ffb5be8799b43505c25ab192cd7 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: 2h5m20.988233365s (build: 34m55.822090259s, test: 1h26m14.606609904s) crash still not fixed or there were kernel test errors commit msg: Revert "hrtimer: Report offline hrtimer enqueue" 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 11650c067 P4D 11650c067 PUD 116512067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 357 Comm: syz-executor.0 Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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:ffffc9000042bd68 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888108582031 RSI: ffff88810aea9800 RDI: ffffc9000042bea0 RBP: ffffc9000042be10 R08: 0000000000000006 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000c R14: ffff88810adde5b0 R15: 00000000ffffffd9 FS: 00007f5fe04526c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000003c CR3: 000000011630e000 CR4: 00000000003506b0 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 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: 0033:0x7f5fe0912da9 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:00007f5fe04520c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f5fe0a41120 RCX: 00007f5fe0912da9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000100 RBP: 00007f5fe095f47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f5fe0a41120 R15: 00007ffc4fdcb4d8 Modules linked in: CR2: 000000000000003c ---[ end trace 3a710d918bfea518 ]--- 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:ffffc9000042bd68 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888108582031 RSI: ffff88810aea9800 RDI: ffffc9000042bea0 RBP: ffffc9000042be10 R08: 0000000000000006 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000c R14: ffff88810adde5b0 R15: 00000000ffffffd9 FS: 00007f5fe04526c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000003c CR3: 000000011630e000 CR4: 00000000003506b0 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