ci2 starts bisection 2024-02-26 07:08:58.123599225 +0000 UTC m=+311133.995936006 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: a4b8b3346c2fa4d88d3d4ec81d35ab88290e8edd413724527852b57f591962fc 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: 3d246ddf19f7865aec1f5f9f1b6a50df2a7ea4ba4d6415fcf145fe7bbb654c79 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 bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], 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: 7234fbb10867cc233512d18c3d1795c07e024f261752cc978585c307d6039f61 all runs: crashed: kernel BUG in __block_commit_write representative crash: kernel BUG in __block_commit_write, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 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: b055a5c5356050115d82fb3549dbe90136470e84c04ce33f8589b9a4760fea01 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 __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 __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 [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: 70cf6eb29439bcce2040a4f73866ba371aad9cf9ed42957617cdb170756c2720 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 __block_commit_write 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 [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: 778a56f47707905379ff1b6fa62c2da25b89764e966eb0c3f08ce13ffc79962c 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 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 __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 ext4_write_inline_data_end, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 993bed180178156a70afdafe8aaf23a117107352 testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03cb3545da2624e29676a1e93edfdcfadcf151b71eb70527c5db309d40b1dfb4 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 __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 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: 53m9.841731119s (build: 14m44.290180242s, test: 36m42.730775598s) crash still not fixed or there were kernel test errors commit msg: Merge "Merge branch 'android13-5.15' into branch 'android13-5.15-lts'" into android13-5.15-lts 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: 0 PID: 2985 Comm: syz-executor.4 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 4c 1b 05 00 48 89 da be 3a 03 00 00 48 c7 c7 d0 da 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:ffffc900009d7b90 EFLAGS: 00010246 RAX: 0000004c00080000 RBX: 000000000000000c RCX: 0000000000000001 RDX: 00000000ffff9de3 RSI: ffff88810c8e5c80 RDI: 00000000ffffffff RBP: ffffc900009d7bf8 R08: ffffc900009d7b68 R09: ffffea00045a9700 R10: ffff8881019ae000 R11: 0000000000000008 R12: ffff888108e60c18 R13: ffffea00045a9700 R14: 000000000000000c R15: 0000000000000000 FS: 00007f825e9c66c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563ef36ef828 CR3: 0000000114f6c000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:3854 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: 0033:0x7f825ee43da9 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:00007f825e9c60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f825ef72f80 RCX: 00007f825ee43da9 RDX: 000000000000000c RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f825ee9047a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f825ef72f80 R15: 00007fffb4b05928 Modules linked in: ---[ end trace 8fb61f245ebcd45d ]--- 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 4c 1b 05 00 48 89 da be 3a 03 00 00 48 c7 c7 d0 da 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:ffffc900009d7b90 EFLAGS: 00010246 RAX: 0000004c00080000 RBX: 000000000000000c RCX: 0000000000000001 RDX: 00000000ffff9de3 RSI: ffff88810c8e5c80 RDI: 00000000ffffffff RBP: ffffc900009d7bf8 R08: ffffc900009d7b68 R09: ffffea00045a9700 R10: ffff8881019ae000 R11: 0000000000000008 R12: ffff888108e60c18 R13: ffffea00045a9700 R14: 000000000000000c R15: 0000000000000000 FS: 00007f825e9c66c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feadba6bd58 CR3: 0000000114f6c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400