ci2 starts bisection 2024-07-25 12:28:50.289268267 +0000 UTC m=+9075.415384725 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: 8b82515417616863830e54bdd01ed5286de1ef398a49a4880a5f7704ea0959fb 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 __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 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 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: 5d249af8063790d2d6262dec7fa0092f4dddd3e8c00df7a2b00646ae5230c4a5 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 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 bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], 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 [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: 3ead7c097f00d4ce0f2efd0e65fa74c48d7af68f57160fb35d01436cf9dc2162 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 2/5 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: 968be6d4d32618e4a75ec54a7def84f47c48087aef75f6d9c138a60eb1e6c837 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 __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 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: b7d0ac4333b3b7c076aa49fc1afd1f114aa06e7ec8bdd394f782c2b44f77f667 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: 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 4/5 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: 916a710e1059ab96f94540fc60be18f26334bb4e068f3cd56db67598acdac0e7 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 __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 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD dd8ee5c24218599f826f01c38edf48f69e94d32d testing commit dd8ee5c24218599f826f01c38edf48f69e94d32d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eac1a51300ab82325eb272ec5d1f652e57968389e5d84fd1336ce8f1bafd8bcf all runs: 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: 59m31.480129197s (build: 28m15.559797143s, test: 28m6.873683771s) crash still not fixed or there were kernel test errors commit msg: UPSTREAM: of: reserved_mem: Use proper binary prefix 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 ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:767! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 507 Comm: syz-executor.0 Not tainted 6.1.90-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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 bd 2e 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:ffffc90000a73b80 EFLAGS: 00010246 RAX: ffff888100790058 RBX: ffff888108bb3900 RCX: 0000000000000001 RDX: 00000000ffff9d00 RSI: ffffffff82d5e03c RDI: 00000000ffffffff RBP: ffffc90000a73be0 R08: ffffc90000a73b50 R09: ffffea00044bab00 R10: ffffea00044bab00 R11: ffff888100041400 R12: ffff888100790058 R13: ffff888100790168 R14: 0000004400000000 R15: ffffea00044bab00 FS: 00007f06fcd096c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f06fc10666e CR3: 000000011173d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:3849 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+0x331/0x3f0 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: 0033:0x7f06fc07cae9 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:00007f06fcd090c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f06fc19bf80 RCX: 00007f06fc07cae9 RDX: 0000000000000007 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f06fc0c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f06fc19bf80 R15: 00007ffef62ea258 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 bd 2e 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:ffffc90000a73b80 EFLAGS: 00010246 RAX: ffff888100790058 RBX: ffff888108bb3900 RCX: 0000000000000001 RDX: 00000000ffff9d00 RSI: ffffffff82d5e03c RDI: 00000000ffffffff RBP: ffffc90000a73be0 R08: ffffc90000a73b50 R09: ffffea00044bab00 R10: ffffea00044bab00 R11: ffff888100041400 R12: ffff888100790058 R13: ffff888100790168 R14: 0000004400000000 R15: ffffea00044bab00 FS: 00007f06fcd096c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f06fc10666e CR3: 000000011173d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400