ci2 starts bisection 2024-04-27 18:48:27.053825002 +0000 UTC m=+57839.463130529
bisecting fixing commit since 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b
building syzkaller on 9bd8dcda8c7c494d59bd3132a668f4784ea835c6
ensuring issue is reproducible on original commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b

testing commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ca295815ccbb8b9d5e52a507ca0ba7284e691bbd40e3527bbb2c55617f249822
all runs: 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 [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ba9ae983f28f37f360a6d745b833370f4f63742f9f185e59adc221bac022d609
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 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 __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=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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: aa673b1ccca585e1831cfd98e18909279a0e56bbe1a006bf4f0205779bd88a1f
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 ext4_write_inline_data_end
representative crash: kernel BUG in __block_commit_write, 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 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4b5cbb392348182374c6d34d1a886cc6b48a67b16d0a9f26526aca48f3fcf9c6
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 __block_commit_write
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 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c7442ed51a813989712336e43bd0124d974b1c80f9ce639330e318edcf9e6416
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 __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 4/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1055d75bd4a9e4222e884f8d49aa825c360302e2f04081799d3737e57b9f9bc6
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]
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 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 1c3a1f32bcbdc0591d0eab67b745f1f4d3ecef6b: net/socket.c:1191: undefined reference to `wext_handle_ioctl'
net/socket.c:3385: 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing current HEAD 5d96939590c0122be2138255c921e57e3f78b7bd
testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 525fa77054ab5e52215b171c203626e6352c7e6c7fd7dbbf8fcc6dca812d3614
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 __block_commit_write
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]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 2h3m15.906857387s (build: 32m54.78203489s, test: 1h9m11.937067105s)
crash still not fixed or there were kernel test errors
commit msg: Revert "hrtimer: Report offline hrtimer enqueue"
crash: kernel BUG in ext4_write_inline_data_end
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:781!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 14361 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 dc 1a 05 00 48 89 da be 3a 03 00 00 48 c7 c7 90 df 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:ffffc90001fdbb90 EFLAGS: 00010246
RAX: 0000004c00080000 RBX: 000000000000000c RCX: 0000000000000001
RDX: 00000000ffffaf52 RSI: ffff888111323780 RDI: 00000000ffffffff
RBP: ffffc90001fdbbf8 R08: ffff88810ab37242 R09: ffffea000466d9c0
R10: ffffea00042eda34 R11: ffff888108e50dec R12: ffff88810ab386b8
R13: ffffea000466d9c0 R14: 000000000000000c R15: 0000000000000000
FS:  00007fbae79026c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010c8f3000 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:3858
 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:2202 [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: 0033:0x7fbae7d7fda9
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:00007fbae79020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbae7eaef80 RCX: 00007fbae7d7fda9
RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004
RBP: 00007fbae7dcc47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbae7eaef80 R15: 00007ffd3abe3fd8
 </TASK>
Modules linked in:
---[ end trace 07702668622581d7 ]---
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 dc 1a 05 00 48 89 da be 3a 03 00 00 48 c7 c7 90 df 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:ffffc90001fdbb90 EFLAGS: 00010246
RAX: 0000004c00080000 RBX: 000000000000000c RCX: 0000000000000001
RDX: 00000000ffffaf52 RSI: ffff888111323780 RDI: 00000000ffffffff
RBP: ffffc90001fdbbf8 R08: ffff88810ab37242 R09: ffffea000466d9c0
R10: ffffea00042eda34 R11: ffff888108e50dec R12: ffff88810ab386b8
R13: ffffea000466d9c0 R14: 000000000000000c R15: 0000000000000000
FS:  00007fbae79026c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa524e70988 CR3: 000000010c8f3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400