ci2 starts bisection 2024-06-19 10:02:08.771916272 +0000 UTC m=+24870.357636936 bisecting fixing commit since 60534eef47392cc95ccb87f9f7466e90c7d6a666 building syzkaller on ca620dd8f97f5b3a9134b687b5584203019518fb ensuring issue is reproducible on original commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2066493ac7b1c156524818a739e9953804109ff17b31d826a7807f7be6952dc5 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b41462976600152f1a1d97b92bd4c390e282bafce9836674a3267e4b414627a7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=5179 full=6491 leaves diff=256 split chunks (needed=false): <256> split chunk #0 of len 256 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 65d115534c910248196cac3b6bd2a45c56b9e9792b342b146deba956b4728e59 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7cc7d61aa36dcc97ba0a8fb2171a7c120ad262fea7563fc43ea28452e34a885 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c1314687e011481fd8ea82f225a38ad838ad9c7e24d1312b5c412302a822f085 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 968033d14120b4e589e709f09ef620583a4ed69cb48ae20ceeb79af0bbda856a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 60534eef47392cc95ccb87f9f7466e90c7d6a666 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 60534eef47392cc95ccb87f9f7466e90c7d6a666: net/socket.c:1245: undefined reference to `wext_handle_ioctl' net/socket.c:3442: 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 48 configs; suspects: [HID_ZEROPLUS 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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD f9840ee562986f2023d485f3fd3146289c2edd86 testing commit f9840ee562986f2023d485f3fd3146289c2edd86 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6372f9e6251c520aa9c595302c29b789c94d83b049b0f63f3a0a321673217b3b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in read_pages representative crash: BUG: unable to handle kernel NULL pointer dereference in read_pages, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h12m54.154324221s (build: 42m44.210320614s, test: 20m32.505321431s) crash still not fixed or there were kernel test errors commit msg: ANDROID: Update the ABI symbol list crash: BUG: unable to handle kernel NULL pointer dereference in read_pages exfat: Deprecated parameter 'utf8' exfat: Deprecated parameter 'utf8' exfat: Deprecated parameter 'namecase' exFAT-fs (loop0): failed to load upcase table (idx : 0x00011f41, chksum : 0xf6e84b2e, utbl_chksum : 0xe619d30d) BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 111b77067 P4D 111b77067 PUD 111b7b067 PMD 0 Oops: 0010 [#1] PREEMPT SMP CPU: 0 PID: 375 Comm: syz-executor.0 Not tainted 6.1.78-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90000833a10 EFLAGS: 00010202 RAX: 0000000000000004 RBX: ffffea0004549a00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffea0004549a00 RDI: ffff88810d009780 RBP: ffffc90000833a68 R08: 00000003fffffffc R09: 0000000000000402 R10: ffffea0004549a00 R11: 636578652d7a7973 R12: ffffffff8283ca00 R13: 0000000000000002 R14: ffffc90000833ca8 R15: ffffc90000833ccc FS: 00007fe7cd1bf6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001131c1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: read_pages+0x173/0x290 mm/readahead.c:192 page_cache_ra_order+0x1f1/0x2c0 mm/readahead.c:560 ondemand_readahead+0x273/0x390 mm/readahead.c:695 page_cache_sync_ra+0xf9/0x110 mm/readahead.c:722 page_cache_sync_readahead include/linux/pagemap.h:1251 [inline] collapse_file mm/khugepaged.c:1877 [inline] hpage_collapse_scan_file+0x666/0x14f0 mm/khugepaged.c:2239 madvise_collapse+0x1fc/0x490 mm/khugepaged.c:2694 madvise_vma_behavior mm/madvise.c:1121 [inline] madvise_walk_vmas mm/madvise.c:1295 [inline] do_madvise+0xb79/0x1580 mm/madvise.c:1474 __do_sys_madvise mm/madvise.c:1487 [inline] __se_sys_madvise mm/madvise.c:1485 [inline] __x64_sys_madvise+0x23/0x30 mm/madvise.c:1485 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe7cc47de69 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:00007fe7cd1bf0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fe7cc5abf80 RCX: 00007fe7cc47de69 RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000000020000000 RBP: 00007fe7cc4ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe7cc5abf80 R15: 00007fffaf47ebd8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90000833a10 EFLAGS: 00010202 RAX: 0000000000000004 RBX: ffffea0004549a00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffea0004549a00 RDI: ffff88810d009780 RBP: ffffc90000833a68 R08: 00000003fffffffc R09: 0000000000000402 R10: ffffea0004549a00 R11: 636578652d7a7973 R12: ffffffff8283ca00 R13: 0000000000000002 R14: ffffc90000833ca8 R15: ffffc90000833ccc FS: 00007fe7cd1bf6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001131c1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400