ci2 starts bisection 2023-11-08 06:16:55.493852384 +0000 UTC m=+104589.986415145
bisecting fixing commit since ea586874d2f9e501ef84b7e55036fc8965397d5d
building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784
ensuring issue is reproducible on original commit ea586874d2f9e501ef84b7e55036fc8965397d5d

testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7054e26cd409d4250b775d097416f6b4639534d6e07c2260e8fed0acef68fc4c
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 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 __block_commit_write
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 ext4_write_inline_data_end, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 33e83d5ddeff0979879bca64b08f969940a72b95818f4c82b36a03d4dff0e3fc
run #0: crashed: kernel BUG in ext4_write_inline_data_end
run #1: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3398469295" "root@10.128.1.185:./syz-executor3398469295"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.185, user root, command sftp
OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.185 [10.128.1.185] port 22.
debug1: connect to address 10.128.1.185 port 22: Connection timed out
ssh: connect to host 10.128.1.185 port 22: Connection timed out
scp: Connection closed

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: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: kernel BUG in ext4_write_inline_data_end, 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=4920 full=6163 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d6cf5d0bdbfaa078152c0d2be6b89369cc9e4a3e8cca075fede4b4cb63d86f39
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 ext4_write_inline_data_end
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: kernel BUG in ext4_write_inline_data_end
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 13b39f5c257a7898ec86b1031a094132a7454c65dd0f8e63835c3f7718cd640a
all runs: OK
false negative chance: 0.000
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9a22e26f3097ccc64aca5ee080a0ab8684f3810cbe8f09c8760f4aaf0626c62c
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 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 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: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: kernel BUG in __block_commit_write, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0fc4fdd29d7a3843778c19f42cf031d820ed0fed5f62e43acd6b516a5f08a630
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 ext4_write_inline_data_end
run #6: crashed: kernel BUG in ext4_write_inline_data_end
run #7: crashed: kernel BUG in __block_commit_write
run #8: OK
run #9: OK
run #10: crashed: kernel BUG in ext4_write_inline_data_end
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
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 ea586874d2f9e501ef84b7e55036fc8965397d5d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building ea586874d2f9e501ef84b7e55036fc8965397d5d: net/socket.c:1172: undefined reference to `wext_handle_ioctl'
net/socket.c:3366: 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 94 configs; suspects: [FB HID_HOLTEK HID_ORTEK HID_PANTHERLORD HID_PENMOUNT HID_PETALYNX HID_PICOLCD_FB HID_PICOLCD_LEDS HID_PID HID_PRIMAX HID_PRODIKEYS HID_RMI HID_SAITEK HID_SAMSUNG HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_HUB HID_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_WALTOP HID_XINMO HID_ZEROPLUS HID_ZYDACRON HOLTEK_FF HOTPLUG_PCI HWMON HW_CONSOLE I2C_MUX INPUT_JOYSTICK INPUT_LEDS INPUT_MOUSE INPUT_TOUCHSCREEN INTEGRITY INTEGRITY_AUDIT JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL LCD_CLASS_DEVICE LOGIG940_FF LOGIRUMBLEPAD2_FF LOGITECH_FF LOGIWHEELS_FF MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_TUNER MFD_CORE NET_DEVLINK NOP_USB_XCEIV PANTHERLORD_FF RADIO_ADAPTERS REGMAP_SPI RESET_CONTROLLER SND SOUND 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 VT 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing current HEAD 61cfd264993d07540f60a5c53d77a14c818e54a9
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 26989c63ce0809115f2db98a4aebd99c2a47c7a1d4e5f1c4418fbfa53a4df06c
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 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 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: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: kernel BUG in __block_commit_write, types: [BUG]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.45 repro chance estimate)
revisions tested: 7, total time: 1h51m41.207348326s (build: 23m26.447337946s, test: 1h26m16.021886167s)
crash still not fixed or there were kernel test errors
commit msg: Revert "ipv4/fib: send notify when delete source address routes"
crash: kernel BUG in __block_commit_write
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
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/buffer.c:2074!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 1243 Comm: syz-executor.0 Not tainted 5.15.137-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:__block_commit_write.constprop.0.isra.0+0x16a/0x170 fs/buffer.c:2074
Code: 74 14 e8 19 5b d7 ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 05 5b d7 ff 48 8b 45 c0 f0 80 08 04 eb dd e8 f6 5a d7 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 56 41 89 d6 41 55 41 89 f5 41 54
RSP: 0018:ffffc9000208b858 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88810d34cb00 RSI: ffffffff8158a92a RDI: 0000000000000003
RBP: ffffc9000208b898 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8158a7f6 R11: 0000000000000000 R12: 000000000000012b
R13: 000000000000012b R14: ffffea00044167c0 R15: 000000000000012c
FS:  00007f78467ce6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7846cd552e CR3: 000000010964c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 block_write_end+0x53/0x1a0 fs/buffer.c:2164
 ext4_write_end+0xe4/0x6c0 fs/ext4/inode.c:1313
 ext4_da_write_end+0x2d9/0x550 fs/ext4/inode.c:3071
 generic_perform_write+0x14f/0x2a0 mm/filemap.c:3844
 ext4_buffered_write_iter+0xf3/0x1f0 fs/ext4/file.c:270
 ext4_file_write_iter+0x98/0xcd0 fs/ext4/file.c:685
 call_write_iter include/linux/fs.h:2159 [inline]
 do_iter_readv_writev+0x264/0x390 fs/read_write.c:729
 do_iter_write+0xea/0x310 fs/read_write.c:855
 vfs_iter_write+0x3f/0x60 fs/read_write.c:896
 iter_file_splice_write+0x459/0x690 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x56/0x80 fs/splice.c:936
 splice_direct_to_actor+0x14d/0x360 fs/splice.c:891
 do_splice_direct+0xe8/0x150 fs/splice.c:979
 do_sendfile+0x525/0x7a0 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0xeb/0x100 fs/read_write.c:1303
 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: 0033:0x7f7846c4bae9
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:00007f78467ce0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7846d6af80 RCX: 00007f7846c4bae9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f7846c9747a R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7846d6af80 R15: 00007fffcc426108
 </TASK>
Modules linked in:
---[ end trace 8d1e2287c73578c8 ]---
RIP: 0010:__block_commit_write.constprop.0.isra.0+0x16a/0x170 fs/buffer.c:2074
Code: 74 14 e8 19 5b d7 ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 05 5b d7 ff 48 8b 45 c0 f0 80 08 04 eb dd e8 f6 5a d7 ff <0f> 0b 0f 1f 40 00 55 48 89 e5 41 56 41 89 d6 41 55 41 89 f5 41 54
RSP: 0018:ffffc9000208b858 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88810d34cb00 RSI: ffffffff8158a92a RDI: 0000000000000003
RBP: ffffc9000208b898 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8158a7f6 R11: 0000000000000000 R12: 000000000000012b
R13: 000000000000012b R14: ffffea00044167c0 R15: 000000000000012c
FS:  00007f78467ce6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7846cd552e CR3: 000000010964c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400