ci2 starts bisection 2024-03-10 18:42:34.427430857 +0000 UTC m=+136245.431258480 bisecting fixing commit since 28e3f5851a993d680ac5a14fd70cce739e78375d building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit 28e3f5851a993d680ac5a14fd70cce739e78375d testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae0ea96400393d887b9f420271f47654c5af7728929cd5721f547c36dd88902c run #0: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #1: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #2: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #3: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #4: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #5: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #6: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #7: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #8: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #9: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #10: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #11: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #12: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #13: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #14: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #15: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #16: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #17: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #18: crashed: UBSAN: shift-out-of-bounds in parse_options run #19: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: deea5d867f837e380064012d64008b9e96225d6c9d00033112b657d8d17f79b1 all runs: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], 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 [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f057a9da3c76c0240a46b523426efda8c0f2c98c6362c2c0e5c383f610a95d4b all runs: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f54e5232c4623ad280d6abdd9c4b39e876aaa3878710bc757d5e2950311471f all runs: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2359cddb6f4b4deb8e5ba073542620a1e82570b7023310587ac67755fd7f8628 run #0: crashed: UBSAN: shift-out-of-bounds in parse_options run #1: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #2: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #3: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #4: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #5: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #6: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #7: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #8: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super run #9: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in parse_options, types: [UBSAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25126163d58f5d3e12038f4fc1b17b940288f902e6df80fbe0daa0ecdede089c all runs: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 28e3f5851a993d680ac5a14fd70cce739e78375d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 28e3f5851a993d680ac5a14fd70cce739e78375d: net/socket.c:1189: undefined reference to `wext_handle_ioctl' net/socket.c:3383: 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 [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], 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: dd0ed38ef925eb3df86f54c72c53937485a9e4b374a9b09f0f655aee9d024811 all runs: crashed: UBSAN: shift-out-of-bounds in ext4_fill_super representative crash: UBSAN: shift-out-of-bounds in ext4_fill_super, types: [UBSAN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 34m40.885577005s (build: 13m4.797267634s, test: 19m44.20628659s) 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: UBSAN: shift-out-of-bounds in ext4_fill_super loop1: detected capacity change from 0 to 512 ================================================================================ UBSAN: shift-out-of-bounds in fs/ext4/super.c:4423:27 shift exponent 59 is too large for 32-bit type 'int' CPU: 1 PID: 435 Comm: syz-executor.1 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x38/0x49 lib/dump_stack.c:106 dump_stack+0x10/0x12 lib/dump_stack.c:113 ubsan_epilogue+0x9/0x32 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0x6a/0x108 lib/ubsan.c:321 ext4_fill_super.cold+0x37/0x222 fs/ext4/super.c:4423 mount_bdev+0x190/0x1c0 fs/super.c:1387 ext4_mount+0x10/0x20 fs/ext4/super.c:6581 legacy_get_tree+0x26/0x50 fs/fs_context.c:611 vfs_get_tree+0x1a/0x70 fs/super.c:1517 do_new_mount fs/namespace.c:3005 [inline] path_mount+0x307/0xbf0 fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount fs/namespace.c:3533 [inline] __x64_sys_mount+0x103/0x140 fs/namespace.c:3533 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: 0033:0x7f12ef8b63ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f12ef436ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f12ef436f80 RCX: 00007f12ef8b63ea RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f12ef436f40 RBP: 0000000020000040 R08: 00007f12ef436f80 R09: 0000000000004500 R10: 0000000000004500 R11: 0000000000000246 R12: 0000000020000080 R13: 00007f12ef436f40 R14: 00000000000004dc R15: 00000000200000c0 ================================================================================ EXT4-fs (loop1): fragment/cluster size (0) != block size (4096)