ci2 starts bisection 2023-12-04 23:03:11.139034216 +0000 UTC m=+425701.785611517 bisecting fixing commit since 8a427269c016a4b7a6c29a595f3c121030649818 building syzkaller on 39990d513277ce9372a4cc89bdac23d9fc30b056 ensuring issue is reproducible on original commit 8a427269c016a4b7a6c29a595f3c121030649818 testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6c5d1a027d180de83bea8ec752953e1fcc5bc577434eb67b6277942289d8b7c0 all runs: crashed: general protection fault in fuse_file_put representative crash: general protection fault in fuse_file_put, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb61f1e73935c661d59cd49d01d547dc9ffa05d5491006988a93cdd4d807c9c8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, 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=4789 full=6022 leaves diff=237 split chunks (needed=false): <237> split chunk #0 of len 237 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: de60037cdbf12a03faedce56abb684fa23319d111e78a23cbdaba129ca314c49 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6d60d0204affec79d608667ed0d3b49cdde4b9232416ed20aaddcaef9604be8e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d9409e685d38ef48729f52590cb1a3fdda8b62ebfb02955f3cc578fb79af80f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, 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 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c1e3066495f4617c637305a9901ee7bd8713d86e2539e10ed2ac17d237d094f8 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 8a427269c016a4b7a6c29a595f3c121030649818 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 8a427269c016a4b7a6c29a595f3c121030649818: net/socket.c:1109: undefined reference to `wext_handle_ioctl' net/socket.c:3378: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:346: undefined reference to `wext_proc_exit' net/core/net-procfs.c:330: 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 UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 02a4d4a11d375e72deaacd5a285e258aa5cf2d55 testing commit 02a4d4a11d375e72deaacd5a285e258aa5cf2d55 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbc428047423b105666ed1483e0ccea8fe75936653344ec81f3a21016f3c376d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 35m39.68972203s (build: 13m34.129650117s, test: 20m31.775189106s) crash still not fixed or there were kernel test errors commit msg: ANDROID: GKI: db845c: Update symbols list and ABI on rpmsg_register_device_override crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put 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:00007efe94d2d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efe9530c120 RCX: 00007efe951ecae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007efe94d2d120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007efe9530c120 R15: 00007ffebf0173b8 BUG: kernel NULL pointer dereference, address: 0000000000000028 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10964a067 P4D 10964a067 PUD 110a00067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 360 Comm: syz-executor.0 Not tainted 5.10.200-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:921 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:933 [inline] RIP: 0010:fuse_file_put+0x6e/0x6d0 fs/fuse/file.c:125 Code: 2b 04 25 28 00 00 00 0f 85 47 06 00 00 48 81 c4 10 02 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 89 fd 49 89 f4 89 d3 41 89 c8 <48> 8b 47 28 b9 1c 00 00 00 48 c7 85 f8 fd ff ff 00 00 00 00 4c 8d RSP: 0018:ffffc90000627670 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810ebfe800 RDI: 0000000000000000 RBP: ffffc900006278a8 R08: 0000000000000000 R09: ffffc90000627800 R10: 00000000fffff000 R11: 3fffffffffffffff R12: ffff88810ebfe800 R13: 0000000000000000 R14: ffff88810ebfef00 R15: 0000000000000000 FS: 00007efe94d2d6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000110a09000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_sync_release+0x2d/0x40 fs/fuse/file.c:393 fuse_create_open+0xa33/0xa80 fs/fuse/dir.c:797 fuse_atomic_open+0xfe/0x130 fs/fuse/dir.c:858 atomic_open fs/namei.c:3120 [inline] lookup_open fs/namei.c:3225 [inline] open_last_lookups fs/namei.c:3323 [inline] path_openat+0x6d2/0x10d0 fs/namei.c:3512 do_filp_open+0x9d/0x140 fs/namei.c:3542 do_sys_openat2+0x9c/0x210 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_openat fs/open.c:1249 [inline] __se_sys_openat fs/open.c:1244 [inline] __x64_sys_openat+0x51/0x90 fs/open.c:1244 do_syscall_64+0x32/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7efe951ecae9 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:00007efe94d2d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efe9530c120 RCX: 00007efe951ecae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007efe94d2d120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007efe9530c120 R15: 00007ffebf0173b8 Modules linked in: CR2: 0000000000000028 ---[ end trace 2dbeaf8f26580e0e ]--- RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:921 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:933 [inline] RIP: 0010:fuse_file_put+0x6e/0x6d0 fs/fuse/file.c:125 Code: 2b 04 25 28 00 00 00 0f 85 47 06 00 00 48 81 c4 10 02 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 89 fd 49 89 f4 89 d3 41 89 c8 <48> 8b 47 28 b9 1c 00 00 00 48 c7 85 f8 fd ff ff 00 00 00 00 4c 8d RSP: 0018:ffffc90000627670 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff88810ebfe800 RDI: 0000000000000000 RBP: ffffc900006278a8 R08: 0000000000000000 R09: ffffc90000627800 R10: 00000000fffff000 R11: 3fffffffffffffff R12: ffff88810ebfe800 R13: 0000000000000000 R14: ffff88810ebfef00 R15: 0000000000000000 FS: 00007efe94d2d6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000110a09000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W