ci2 starts bisection 2024-08-01 10:11:05.479433959 +0000 UTC m=+44672.391763584 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: 18473e448aa016fd0ffaa536c29571a65fef3a912a755afeb81ca36b719edfe8 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 parse_options 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 ext4_fill_super 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: 4e394df855c82d8e33c6e000a57b545060a333eab5d080e43e78fb766c657e0a 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 parse_options run #9: 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 [ATOMIC_SLEEP HANG LEAK BUG 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 BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], 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: 145d36cbf0801761c1678353bee752e095f82cfea8dca6516084fe9b18321e46 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], 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: e489cb845b519a72864d558aebf16fbfc01f05ef8c52624cd3eb79f44e5389b1 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], 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: a7bdd547c8cd767ec14aa46dfdd3098f9db25b10fc4dae9a91ecd34ef84464a8 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 4/5 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: 49dd6bfb0ba1a213c4b2840af7ab28672ffe0748db38208f118733ac8b7a2e4a 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 [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 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 70e1a731d98699d85ada2cbdd4d487e51b2f7441 testing commit 70e1a731d98699d85ada2cbdd4d487e51b2f7441 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 794249c95337c10632ef641ecb0c39d381003ab1a859854653709d0ecc5511c9 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: 37m27.151762512s (build: 12m17.535912953s, test: 23m39.496991998s) crash still not fixed or there were kernel test errors commit msg: Revert "regmap: Add bulk read/write callbacks into regmap_config" crash: UBSAN: shift-out-of-bounds in ext4_fill_super loop4: 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: 406 Comm: syz-executor.4 Not tainted 5.15.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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: 0033:0x7f58ccc123ea 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:00007f58cc792ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f58cc792f80 RCX: 00007f58ccc123ea RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f58cc792f40 RBP: 0000000020000040 R08: 00007f58cc792f80 R09: 0000000000004500 R10: 0000000000004500 R11: 0000000000000246 R12: 0000000020000080 R13: 00007f58cc792f40 R14: 00000000000004dc R15: 00000000200000c0 ================================================================================ EXT4-fs (loop4): fragment/cluster size (0) != block size (4096)