ci2 starts bisection 2024-10-11 05:13:27.835363744 +0000 UTC m=+100.434072707
bisecting fixing commit since a59b32866cd44cf6c544b491c23720728552bc59
building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759
ensuring issue is reproducible on original commit a59b32866cd44cf6c544b491c23720728552bc59

testing commit a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 58a736f5c27a8d960fe2b703a76be3793fee545b24596e5a391db7c5bb67973e
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 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 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 __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 ext4_write_inline_data_end
run #14: crashed: kernel BUG in __block_commit_write
run #15: crashed: kernel BUG in ext4_write_inline_data_end
run #16: crashed: kernel BUG in __block_commit_write
run #17: crashed: kernel BUG in __block_commit_write
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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing commit a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fdc6d048383027d347b504a363ed5a57ba5fe43f645347e11447f2e8ff95dfe6
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 __block_commit_write
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: 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 bug reproduces without the instrumentation
disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
kconfig minimization: base=5179 full=6485 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 a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7939eec5714ccf0a1e6c7f24b834699cb50581c76974c69bd71749f4cc74040f
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 __block_commit_write
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 2/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ce800e114e23f3062b6880b5f7899fc9662bba944d998ec1925c6548d2f5244d
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 __block_commit_write
run #7: crashed: kernel BUG in ext4_write_inline_data_end
run #8: crashed: kernel BUG in __block_commit_write
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 a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6b93ea249e037045ae081de9a1a9fe1ed982374eb492750a336c439d60d92fe7
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 __block_commit_write
run #5: crashed: kernel BUG in __block_commit_write
run #6: crashed: kernel BUG in ext4_write_inline_data_end
run #7: crashed: kernel BUG in __block_commit_write
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 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e24e7b701f6a97750d95e596b94e80076e8f043f0fedfabb98ab02ba55a381aa
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 __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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit a59b32866cd44cf6c544b491c23720728552bc59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building a59b32866cd44cf6c544b491c23720728552bc59: 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing current HEAD 19e119d2d0fe4970e4a6463d8d089f87e4a56e5f
testing commit 19e119d2d0fe4970e4a6463d8d089f87e4a56e5f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 150d313b11aa8cfacb4188997f7260c36ed4b9b30287d2309227d862de188bfa
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 __block_commit_write
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: 2h38m58.023383944s (build: 43m46.849302853s, test: 32m22.975103205s)
crash still not fixed or there were kernel test errors
commit msg: Reapply "io_uring: drop any code related to SCM_RIGHTS"
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:5386: 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. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:767!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 463 Comm: syz-executor.0 Not tainted 6.1.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ext4_write_inline_data_end+0x363/0x370 fs/ext4/inline.c:767
Code: 49 89 c7 e9 d0 fe ff ff 0f 0b e9 93 fe ff ff 48 ff c8 48 f7 00 04 00 00 00 74 a2 85 c9 0f 85 0a fd ff ff eb 98 e8 dd 5f ae 00 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc9000089fb80 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff8881002e9300 RCX: 0000000000000001
RDX: 00000000ffff9cb0 RSI: ffffffff82d1cb3d RDI: 00000000ffffffff
RBP: ffffc9000089fbe0 R08: ffffc9000089fb50 R09: ffffea00044c8f00
R10: ffffea00044c8f00 R11: ffff888100041700 R12: ffff88810c263a18
R13: ffff88810c263b28 R14: 0000004400000000 R15: ffffea00044c8f00
FS:  00007f645ff696c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 0000000115b41000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_end+0x21d/0x350 fs/ext4/inode.c:1323
 ext4_da_write_end+0x38/0x270 fs/ext4/inode.c:3073
 generic_perform_write+0xd2/0x1f0 mm/filemap.c:3860
 ext4_buffered_write_iter+0xf7/0x190 fs/ext4/file.c:285
 ext4_file_write_iter+0x2d5/0x6a0
 call_write_iter include/linux/fs.h:2274 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x325/0x400 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
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f645f27cae9
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:00007f645ff690c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f645f39bf80 RCX: 00007f645f27cae9
RDX: 0000000000000007 RSI: 0000000020000180 RDI: 0000000000000004
RBP: 00007f645f2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f645f39bf80 R15: 00007ffdec82d958
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_write_inline_data_end+0x363/0x370 fs/ext4/inline.c:767
Code: 49 89 c7 e9 d0 fe ff ff 0f 0b e9 93 fe ff ff 48 ff c8 48 f7 00 04 00 00 00 74 a2 85 c9 0f 85 0a fd ff ff eb 98 e8 dd 5f ae 00 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc9000089fb80 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff8881002e9300 RCX: 0000000000000001
RDX: 00000000ffff9cb0 RSI: ffffffff82d1cb3d RDI: 00000000ffffffff
RBP: ffffc9000089fbe0 R08: ffffc9000089fb50 R09: ffffea00044c8f00
R10: ffffea00044c8f00 R11: ffff888100041700 R12: ffff88810c263a18
R13: ffff88810c263b28 R14: 0000004400000000 R15: ffffea00044c8f00
FS:  00007f645ff696c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 0000000115b41000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400