ci2 starts bisection 2024-08-01 09:23:58.763654064 +0000 UTC m=+41845.675983669
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: 30df6575e682e2ba79a549c7fbc7152e522e1fbaed2383306f9f1ddec505622a
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 [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: d008d9eb384667a4767cee895b1198ca9c7b53da730107fd97fbdd912900a46d
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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], 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 [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: bc2b600b89270c1dddcb57df1cd4a010dbff9300dc5c6f3cd7cb5f36f9e399e0
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: a8bad12560a1ec4e5ad40239ffa0c9168b8d08d1c26c3668a0ccfc59f67cbdbe
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 [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: 47e0abb3845417d8eafd417025ac98a8be984d72c8260036cebd4e43f29ac0e4
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 [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: 599f07cae1771e5bb222f6766825527a712f8e7a078054282e4da727ccd2f5a8
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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing current HEAD 055518d9f3bfdd13432cd33c239d6688ef60ed81
testing commit 055518d9f3bfdd13432cd33c239d6688ef60ed81 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3e4e5060c04ba942d72586a9017345c367db456e506d31176055f4bc89f907e5
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: 44m56.681218229s (build: 23m6.754292319s, test: 19m19.414498226s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: fuse: Skip canonical path logic if ENOSYS
crash: BUG: unable to handle kernel NULL pointer dereference in read_pages
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 114f80067 P4D 114f80067 PUD 114f7c067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP
CPU: 1 PID: 357 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: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90000783a00 EFLAGS: 00010202
RAX: 0000000000000004 RBX: ffffea0004427200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffea0004427200 RDI: ffff88810b3d3780
RBP: ffffc90000783a58 R08: 00000003fffffffc R09: 0000000000000402
R10: ffffea0004427200 R11: 636578652d7a7973 R12: ffffffff8283e880
R13: 0000000000000002 R14: ffffc90000783c98 R15: ffffc90000783cbc
FS:  00007f04838a56c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000114f8e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 read_pages+0x173/0x290 mm/readahead.c:192
 page_cache_ra_order+0x1ea/0x2c0 mm/readahead.c:560
 ondemand_readahead+0x26d/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:1124 [inline]
 madvise_walk_vmas mm/madvise.c:1298 [inline]
 do_madvise+0xb79/0x1580 mm/madvise.c:1477
 __do_sys_madvise mm/madvise.c:1490 [inline]
 __se_sys_madvise mm/madvise.c:1488 [inline]
 __x64_sys_madvise+0x23/0x30 mm/madvise.c:1488
 x64_sys_call+0xec/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:29
 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: 0033:0x7f0482a7de69
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:00007f04838a50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f0482babf80 RCX: 00007f0482a7de69
RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f0482aca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0482babf80 R15: 00007ffe227f5cc8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90000783a00 EFLAGS: 00010202
RAX: 0000000000000004 RBX: ffffea0004427200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffea0004427200 RDI: ffff88810b3d3780
RBP: ffffc90000783a58 R08: 00000003fffffffc R09: 0000000000000402
R10: ffffea0004427200 R11: 636578652d7a7973 R12: ffffffff8283e880
R13: 0000000000000002 R14: ffffc90000783c98 R15: ffffc90000783cbc
FS:  00007f04838a56c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000114f8e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400