ci2 starts bisection 2024-03-10 16:56:48.489633729 +0000 UTC m=+129899.493461362
bisecting fixing commit since cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9
building syzkaller on 21772ce4342bc8ecbb3e7c8747bba9aec14f3bbb
ensuring issue is reproducible on original commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9

testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 465efcfb754bd8116a87195682c7fd549eda8f75704f67655061da12c9c8315f
run #0: crashed: kernel BUG in __block_commit_write
run #1: crashed: kernel BUG in __block_commit_write
run #2: crashed: kernel BUG in __block_commit_write
run #3: crashed: kernel BUG in __block_commit_write
run #4: crashed: kernel BUG in __block_commit_write
run #5: crashed: kernel BUG in __block_commit_write
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in __block_commit_write
run #8: crashed: kernel BUG in __block_commit_write
run #9: crashed: kernel BUG in __block_commit_write
run #10: crashed: kernel BUG in __block_commit_write
run #11: crashed: kernel BUG in ext4_write_inline_data_end
run #12: crashed: kernel BUG in __block_commit_write
run #13: crashed: kernel BUG in __block_commit_write
run #14: crashed: kernel BUG in __block_commit_write
run #15: crashed: kernel BUG in __block_commit_write
run #16: crashed: kernel BUG in __block_commit_write
run #17: crashed: kernel BUG in __block_commit_write
run #18: crashed: kernel BUG in __block_commit_write
run #19: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4d0c932e24d9cc6323aae5056169692abd1aef77c7390e6c1fceee35a8d684e0
all runs: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=5179 full=6491 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bbf19400e271bfb07a00d9e9ff320a0566b9d4ea0dc1efa155761e2e793e8f8a
all runs: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1ea90e46f3c6e0329bce1525ca26494ca1b74d142eaae4eff0821476c984a7f8
all runs: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6bc11ba3757a8ce61000bac4481fd1999b890e702ff4325456de81ac453bd76a
all runs: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cfb5afd8c299688e6cee9eed13f42cb9954e98932151c2b184d83c29c878e9e1
run #0: crashed: kernel BUG in __block_commit_write
run #1: crashed: kernel BUG in __block_commit_write
run #2: crashed: kernel BUG in __block_commit_write
run #3: crashed: kernel BUG in __block_commit_write
run #4: crashed: kernel BUG in ext4_write_inline_data_end
run #5: crashed: kernel BUG in __block_commit_write
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in __block_commit_write
run #8: crashed: kernel BUG in __block_commit_write
run #9: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building cfe8cce4e8a1938ea6aff81c4c8e9cbee7be62f9: 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing current HEAD 5f66e7c904ee8949930032da9471936366e6dd23
testing commit 5f66e7c904ee8949930032da9471936366e6dd23 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 68402cf7c45a77e7d69c4d009dc56c9366d3e4f99337cd9f3bc8dec669040c61
run #0: crashed: kernel BUG in __block_commit_write
run #1: crashed: kernel BUG in __block_commit_write
run #2: crashed: kernel BUG in ext4_write_inline_data_end
run #3: crashed: kernel BUG in __block_commit_write
run #4: crashed: kernel BUG in __block_commit_write
run #5: crashed: kernel BUG in __block_commit_write
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in __block_commit_write
run #8: crashed: kernel BUG in __block_commit_write
run #9: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in __block_commit_write, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 44m27.838158646s (build: 18m44.669390753s, test: 22m59.855252309s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: Update the ABI symbol list
crash: kernel BUG in __block_commit_write
loop3: detected capacity change from 0 to 2048
------------[ cut here ]------------
kernel BUG at fs/buffer.c:2097!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 778 Comm: syz-executor.3 Not tainted 6.1.68-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__block_commit_write+0xb2/0xc0 fs/buffer.c:2097
Code: f7 03 20 00 00 00 74 ae f0 80 23 df eb a8 45 85 ed 75 08 48 8b 45 c8 f0 80 08 04 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc900011cfb78 EFLAGS: 00010246
RAX: 0000004410000000 RBX: 0000000000000000 RCX: 000000000000000c
RDX: 000000000000000c RSI: 0000000000000000 RDI: ffffea000461b1c0
RBP: ffffc900011cfbb8 R08: 000000000000000c R09: ffffea000461b1c0
R10: ffffea000461b1c0 R11: 0000000000000000 R12: ffff88810c9d2780
R13: ffff88810c3a17f8 R14: ffffea000461b1c0 R15: 000000000000000c
FS:  00007fcfd4c6c6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc4eacff000 CR3: 0000000117574000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_end+0x2d/0x70 fs/buffer.c:2187
 ext4_write_end+0x91/0x350 fs/ext4/inode.c:1325
 ext4_da_write_end+0x38/0x270 fs/ext4/inode.c:3073
 generic_perform_write+0xd2/0x1f0 mm/filemap.c:3840
 ext4_buffered_write_iter+0xf7/0x190 fs/ext4/file.c:285
 ext4_file_write_iter+0x2d5/0x6a0
 call_write_iter include/linux/fs.h:2258 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x331/0x3f0 fs/read_write.c:584
 ksys_write+0x6c/0xd0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x16/0x20 fs/read_write.c:646
 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: 0033:0x7fcfd3e7cda9
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:00007fcfd4c6c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcfd3fabf80 RCX: 00007fcfd3e7cda9
RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007fcfd3ec947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcfd3fabf80 R15: 00007fffce35c468
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__block_commit_write+0xb2/0xc0 fs/buffer.c:2097
Code: f7 03 20 00 00 00 74 ae f0 80 23 df eb a8 45 85 ed 75 08 48 8b 45 c8 f0 80 08 04 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc900011cfb78 EFLAGS: 00010246
RAX: 0000004410000000 RBX: 0000000000000000 RCX: 000000000000000c
RDX: 000000000000000c RSI: 0000000000000000 RDI: ffffea000461b1c0
RBP: ffffc900011cfbb8 R08: 000000000000000c R09: ffffea000461b1c0
R10: ffffea000461b1c0 R11: 0000000000000000 R12: ffff88810c9d2780
R13: ffff88810c3a17f8 R14: ffffea000461b1c0 R15: 000000000000000c
FS:  00007fcfd4c6c6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020014000 CR3: 0000000117574000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400