ci2 starts bisection 2023-10-09 23:56:26.894521259 +0000 UTC m=+38895.055750112
bisecting fixing commit since d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da
building syzkaller on 39990d513277ce9372a4cc89bdac23d9fc30b056
ensuring issue is reproducible on original commit d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da

testing commit d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3ec59c0370d825071ecd63707dc2b82474bef5597403be51059606b62e8d770f
run #0: crashed: kernel BUG in ext4_write_inline_data
run #1: crashed: kernel BUG in ext4_writepages
run #2: crashed: kernel BUG in ext4_writepages
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_write_inline_data
run #5: crashed: kernel BUG in ext4_write_inline_data
run #6: crashed: kernel BUG in ext4_write_inline_data
run #7: crashed: kernel BUG in ext4_writepages
run #8: crashed: kernel BUG in ext4_writepages
run #9: crashed: kernel BUG in ext4_write_inline_data
run #10: crashed: kernel BUG in ext4_write_inline_data
run #11: crashed: kernel BUG in ext4_write_inline_data
run #12: crashed: kernel BUG in ext4_write_inline_data
run #13: crashed: kernel BUG in ext4_write_inline_data
run #14: crashed: kernel BUG in ext4_write_inline_data
run #15: crashed: kernel BUG in ext4_write_inline_data
run #16: crashed: kernel BUG in ext4_writepages
run #17: crashed: kernel BUG in ext4_write_inline_data
run #18: crashed: kernel BUG in ext4_write_inline_data
run #19: crashed: kernel BUG in ext4_writepages
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ecf481d3298d78897d90a2349ac61526c405e8ed726c9b097c31ca191a942351
run #0: crashed: kernel BUG in ext4_write_inline_data
run #1: crashed: kernel BUG in ext4_write_inline_data
run #2: crashed: kernel BUG in ext4_writepages
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_writepages
run #5: crashed: kernel BUG in ext4_write_inline_data
run #6: crashed: kernel BUG in ext4_write_inline_data
run #7: crashed: kernel BUG in ext4_write_inline_data
run #8: crashed: kernel BUG in ext4_writepages
run #9: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
kconfig minimization: base=5179 full=6487 leaves diff=250
split chunks (needed=false): <250>
split chunk #0 of len 250 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 d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 74cb3c4b82e9877ca92e3d171e920727c1e7a20a0888a859ed70250f856f3bbd
run #0: crashed: kernel BUG in ext4_write_inline_data
run #1: crashed: kernel BUG in ext4_write_inline_data
run #2: crashed: kernel BUG in ext4_writepages
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_writepages
run #5: crashed: kernel BUG in ext4_writepages
run #6: crashed: kernel BUG in ext4_writepages
run #7: crashed: kernel BUG in ext4_write_inline_data
run #8: crashed: kernel BUG in ext4_writepages
run #9: crashed: kernel BUG in ext4_writepages
representative crash: kernel BUG in ext4_write_inline_data, 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 d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 94f654848535ebaf9fca11860e2f07d509f0a6562f33460194434ef063a6ecd4
run #0: crashed: kernel BUG in ext4_writepages
run #1: crashed: kernel BUG in ext4_writepages
run #2: crashed: kernel BUG in ext4_write_inline_data
run #3: crashed: kernel BUG in ext4_write_inline_data
run #4: crashed: kernel BUG in ext4_write_inline_data
run #5: crashed: kernel BUG in ext4_write_inline_data
run #6: crashed: kernel BUG in ext4_writepages
run #7: OK
run #8: OK
run #9: OK
representative crash: kernel BUG in ext4_writepages, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 291174074147afe086b11ddfa4bd0d860cc1fda1da6788395a1dc6446b06fb73
run #0: crashed: kernel BUG in ext4_writepages
run #1: crashed: kernel BUG in ext4_writepages
run #2: crashed: kernel BUG in ext4_writepages
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_writepages
run #5: crashed: kernel BUG in ext4_writepages
run #6: crashed: kernel BUG in ext4_write_inline_data
run #7: crashed: kernel BUG in ext4_writepages
run #8: crashed: kernel BUG in ext4_writepages
run #9: OK
representative crash: kernel BUG in ext4_writepages, 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 d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8401f39eed64d3a8423d95e70f25eb8f58345f78edac44127847d793339f4385
run #0: crashed: kernel BUG in ext4_writepages
run #1: crashed: kernel BUG in ext4_write_inline_data
run #2: crashed: kernel BUG in ext4_writepages
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_write_inline_data
run #5: crashed: kernel BUG in ext4_write_inline_data
run #6: crashed: kernel BUG in ext4_writepages
run #7: OK
run #8: OK
run #9: OK
representative crash: kernel BUG in ext4_writepages, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building d7dacaa439c7cd0f3e2130e90ac8f2b91370d3da: net/socket.c:1225: undefined reference to `wext_handle_ioctl'
net/socket.c:3420: 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 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE 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 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 KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 4fcc13c1ff378fbf84f3b57c3d670cf48cb4250f
testing commit 4fcc13c1ff378fbf84f3b57c3d670cf48cb4250f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cbba6ca9c5bce68bf6f674932bfd37496402d66b5a69734f6e48effffecea392
run #0: crashed: kernel BUG in ext4_write_inline_data
run #1: crashed: kernel BUG in ext4_writepages
run #2: crashed: kernel BUG in ext4_write_inline_data
run #3: crashed: kernel BUG in ext4_writepages
run #4: crashed: kernel BUG in ext4_write_inline_data
run #5: crashed: kernel BUG in ext4_writepages
run #6: crashed: kernel BUG in ext4_writepages
run #7: OK
run #8: OK
run #9: OK
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 1h27m40.43052914s (build: 19m44.085183777s, test: 1h5m20.617510539s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: mm: add missing check in the backport for handling faults under VMA lock
crash: kernel BUG in ext4_write_inline_data
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:226!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 452 Comm: syz-executor.1 Not tainted 6.1.25-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:ext4_write_inline_data+0xe5/0xf0 fs/ext4/inline.c:226
Code: 41 0f b7 4c 0f 02 48 01 c1 44 89 c2 49 8d 7c 0d 48 4c 89 f6 e8 fc 20 ad 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc9000091f9b0 EFLAGS: 00010212
RAX: 0000000000000ff9 RBX: ffff888115909300 RCX: 0000000000001000
RDX: 000000000000003c RSI: ffffc9000091fa08 RDI: ffff88810c3ee628
RBP: ffffc9000091f9e0 R08: 0000000000000ff9 R09: 0000000000000000
R10: 3000000000000000 R11: 4000000000000000 R12: ffff88810c3ee628
R13: 0000000000000007 R14: ffff888118084000 R15: ffffea0004602100
FS:  00007f4d976566c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0011f6000 CR3: 0000000116a27000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x144/0x370 fs/ext4/inline.c:767
 ext4_da_write_end+0x87/0x230 fs/ext4/inode.c:3079
 generic_perform_write+0xd2/0x1f0 mm/filemap.c:3777
 ext4_buffered_write_iter+0xf7/0x190 fs/ext4/file.c:285
 ext4_file_write_iter+0x2c2/0x7e0
 do_iter_write+0x1cd/0x2d0 fs/read_write.c:861
 vfs_iter_write+0x14/0x20 fs/read_write.c:902
 iter_file_splice_write+0x279/0x420 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0x29/0x40 fs/splice.c:931
 splice_direct_to_actor+0x143/0x2b0 fs/splice.c:886
 do_splice_direct+0x7f/0xc0 fs/splice.c:974
 do_sendfile+0x262/0x400 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __x64_sys_sendfile64+0x93/0xc0 fs/read_write.c:1309
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4d9687cae9
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:00007f4d976560c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f4d9699bf80 RCX: 00007f4d9687cae9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f4d968c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4d9699bf80 R15: 00007ffd51a384b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data+0xe5/0xf0 fs/ext4/inline.c:226
Code: 41 0f b7 4c 0f 02 48 01 c1 44 89 c2 49 8d 7c 0d 48 4c 89 f6 e8 fc 20 ad 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc9000091f9b0 EFLAGS: 00010212
RAX: 0000000000000ff9 RBX: ffff888115909300 RCX: 0000000000001000
RDX: 000000000000003c RSI: ffffc9000091fa08 RDI: ffff88810c3ee628
RBP: ffffc9000091f9e0 R08: 0000000000000ff9 R09: 0000000000000000
R10: 3000000000000000 R11: 4000000000000000 R12: ffff88810c3ee628
R13: 0000000000000007 R14: ffff888118084000 R15: ffffea0004602100
FS:  00007f4d976566c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0011f6000 CR3: 0000000116a27000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400