ci2 starts bisection 2023-12-28 22:42:06.540059651 +0000 UTC m=+543129.863945202
bisecting fixing commit since 61cfd264993d07540f60a5c53d77a14c818e54a9
building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759
ensuring issue is reproducible on original commit 61cfd264993d07540f60a5c53d77a14c818e54a9

testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 368191678c16dc3085271cb033fdde273ef46a6cf7154bb65e15a6dbffeaaf8f
run #0: crashed: kernel BUG in __block_commit_write
run #1: crashed: kernel BUG in ext4_write_inline_data_end
run #2: crashed: kernel BUG in __block_commit_write
run #3: crashed: kernel BUG in ext4_write_inline_data_end
run #4: crashed: kernel BUG in ext4_write_inline_data_end
run #5: crashed: kernel BUG in ext4_write_inline_data_end
run #6: crashed: kernel BUG in ext4_write_inline_data_end
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
run #10: crashed: kernel BUG in ext4_write_inline_data_end
run #11: crashed: kernel BUG in ext4_write_inline_data_end
run #12: crashed: kernel BUG in ext4_write_inline_data_end
run #13: crashed: kernel BUG in ext4_write_inline_data_end
run #14: crashed: kernel BUG in ext4_write_inline_data_end
run #15: crashed: kernel BUG in ext4_write_inline_data_end
run #16: crashed: kernel BUG in ext4_write_inline_data_end
run #17: crashed: kernel BUG in ext4_write_inline_data_end
run #18: crashed: kernel BUG in ext4_write_inline_data_end
run #19: crashed: kernel BUG in ext4_write_inline_data_end
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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 096b972bbddd6e0229e48b2f3c84439b47b5976c1596756e684d6a0191510124
run #0: crashed: kernel BUG in __block_commit_write
run #1: crashed: kernel BUG in ext4_write_inline_data_end
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 ext4_write_inline_data_end
run #6: crashed: kernel BUG in ext4_write_inline_data_end
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
kconfig minimization: base=4920 full=6161 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 KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 90fe0803304a4322f3bb759fe98562e4ba9e53d255b7c034e5b965fab2f12a15
run #0: crashed: kernel BUG in ext4_write_inline_data_end
run #1: crashed: kernel BUG in ext4_write_inline_data_end
run #2: crashed: kernel BUG in __block_commit_write
run #3: crashed: kernel BUG in ext4_write_inline_data_end
run #4: crashed: kernel BUG in ext4_write_inline_data_end
run #5: crashed: kernel BUG in ext4_write_inline_data_end
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in __block_commit_write
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e4f0b905d20d96eb1d00f3f11c3d8b29bd06318b610827cff8304a5ea7cd022c
run #0: crashed: kernel BUG in ext4_write_inline_data_end
run #1: crashed: kernel BUG in ext4_write_inline_data_end
run #2: crashed: kernel BUG in ext4_write_inline_data_end
run #3: crashed: kernel BUG in ext4_write_inline_data_end
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 ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 80f06cb24175bd9de57810cd0b590db2e6d939aae22b0c3841bc79540fc3ab86
run #0: crashed: kernel BUG in ext4_write_inline_data_end
run #1: crashed: kernel BUG in ext4_write_inline_data_end
run #2: crashed: kernel BUG in __block_commit_write
run #3: crashed: kernel BUG in ext4_write_inline_data_end
run #4: crashed: kernel BUG in ext4_write_inline_data_end
run #5: crashed: kernel BUG in ext4_write_inline_data_end
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a5e03db4c227a4b8215c1e6583f344628a71d9a09dabfcf69b0980e137bb1b96
run #0: crashed: kernel BUG in ext4_write_inline_data_end
run #1: crashed: kernel BUG in ext4_write_inline_data_end
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 ext4_write_inline_data_end
run #6: crashed: kernel BUG in ext4_write_inline_data_end
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 61cfd264993d07540f60a5c53d77a14c818e54a9: net/socket.c:1189: undefined reference to `wext_handle_ioctl'
net/socket.c:3383: 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 [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing current HEAD 28e3f5851a993d680ac5a14fd70cce739e78375d
testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 798764a0a3540a74c592ecf4694b610884d9775d200e5015c0486c1c718af560
run #0: crashed: kernel BUG in ext4_write_inline_data_end
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 ext4_write_inline_data_end
run #6: crashed: kernel BUG in __block_commit_write
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in ext4_write_inline_data_end
run #9: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 37m39.106210339s (build: 12m34.512420664s, test: 23m5.94678582s)
crash still not fixed or there were kernel test errors
commit msg: Revert "HID: core: store the unique system identifier in hid_device"
crash: kernel BUG in ext4_write_inline_data_end
loop0: detected capacity change from 0 to 512
EXT4-fs error (device loop0): ext4_fill_super:4831: inode #2: comm syz-executor.0: casefold flag without casefold feature
EXT4-fs (loop0): warning: mounting fs with errors, running e2fsck is recommended
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:781!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 650 Comm: syz-executor.0 Not tainted 5.15.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:ext4_write_inline_data_end+0x340/0x490 fs/ext4/inline.c:781
Code: 8b 5d b0 4c 89 e6 48 89 df e8 2c 1b 05 00 48 89 da be 3a 03 00 00 48 c7 c7 d0 d2 7f 82 e8 c8 80 fe ff 41 89 c0 e9 a8 fe ff ff <0f> 0b 41 0f b7 14 24 66 81 e2 00 f0 66 81 fa 00 80 0f 84 03 01 00
RSP: 0018:ffffc90000c47b90 EFLAGS: 00010246
RAX: 0000004c00000000 RBX: 0000000000000007 RCX: 0000000000000001
RDX: 00000000ffff9c9c RSI: ffff88810318dc80 RDI: 00000000ffffffff
RBP: ffffc90000c47bf8 R08: ffffc90000c47b68 R09: ffffea00044e4a00
R10: ffff8881019e3780 R11: 0000000000000000 R12: ffff88810ac486b8
R13: ffffea00044e4a00 R14: 0000000000000007 R15: 0000000000000069
FS:  00007f1fd6ec06c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 0000000101be9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_end+0x16e/0x430 fs/ext4/inode.c:1311
 ext4_da_write_end+0x191/0x2c0 fs/ext4/inode.c:3071
 generic_perform_write+0xfe/0x1e0 mm/filemap.c:3845
 ext4_buffered_write_iter+0x9f/0x160 fs/ext4/file.c:270
 ext4_file_write_iter+0x5b/0x830 fs/ext4/file.c:685
 call_write_iter include/linux/fs.h:2159 [inline]
 new_sync_write+0x105/0x190 fs/read_write.c:507
 vfs_write+0x239/0x2e0 fs/read_write.c:594
 ksys_write+0x62/0xe0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x15/0x20 fs/read_write.c:656
 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: 0033:0x7f1fd733dae9
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:00007f1fd6ec00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fd745cf80 RCX: 00007f1fd733dae9
RDX: 0000000000000007 RSI: 0000000020000180 RDI: 0000000000000004
RBP: 00007f1fd738947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f1fd745cf80 R15: 00007ffef3b809f8
 </TASK>
Modules linked in:
---[ end trace b52917fe8b6f71b6 ]---
RIP: 0010:ext4_write_inline_data_end+0x340/0x490 fs/ext4/inline.c:781
Code: 8b 5d b0 4c 89 e6 48 89 df e8 2c 1b 05 00 48 89 da be 3a 03 00 00 48 c7 c7 d0 d2 7f 82 e8 c8 80 fe ff 41 89 c0 e9 a8 fe ff ff <0f> 0b 41 0f b7 14 24 66 81 e2 00 f0 66 81 fa 00 80 0f 84 03 01 00
RSP: 0018:ffffc90000c47b90 EFLAGS: 00010246
RAX: 0000004c00000000 RBX: 0000000000000007 RCX: 0000000000000001
RDX: 00000000ffff9c9c RSI: ffff88810318dc80 RDI: 00000000ffffffff
RBP: ffffc90000c47bf8 R08: ffffc90000c47b68 R09: ffffea00044e4a00
R10: ffff8881019e3780 R11: 0000000000000000 R12: ffff88810ac486b8
R13: ffffea00044e4a00 R14: 0000000000000007 R15: 0000000000000069
FS:  00007f1fd6ec06c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 0000000101be9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400