ci2 starts bisection 2024-10-23 03:04:32.9628602 +0000 UTC m=+15846.947312882 bisecting fixing commit since dcb09569bbff14d203a6b2ffa40da7b724665e31 building syzkaller on af24b0505c748561efb50f1d03c824d6642f6c0b ensuring issue is reproducible on original commit dcb09569bbff14d203a6b2ffa40da7b724665e31 testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a4d0f81e3cb739212a38d2b4a30e6541834ce226d0f9f3df1df38588ceb10c9 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b578a859553bcc5a015988e546e834f6637a259a1dec3f70e794788836619de 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f50b3bfc0349528a34bc876196fc44382cacd003e2fc7653591dfc145ca281a9 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d5b62a8b0f11c096c093b0668624190434679b5431b1da46cefc5b0d7d5c2357 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 dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a0fdb24a3e961a2edc4af0e31ef5b0f79a38b9d2596985d5f2e5c9e9d4b94977 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75efc8bbbb7512f01e5b874e283445c8004960e5616f45c408537eabdaf712ee 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit dcb09569bbff14d203a6b2ffa40da7b724665e31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building dcb09569bbff14d203a6b2ffa40da7b724665e31: 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 1790581f0a463c9548fa6a866984ac5103a13fc4 testing commit 1790581f0a463c9548fa6a866984ac5103a13fc4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 498a0e871c017e7057529eb8bc563c1eebbcfc4b142155c291d6153ffb1d3644 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: 2h35m49.266620053s (build: 2h2m8.602375202s, test: 29m50.630758622s) crash still not fixed or there were kernel test errors commit msg: FROMLIST: ufs: core: requeue aborted request crash: BUG: unable to handle kernel NULL pointer dereference in fuse_file_put RSP: 002b:00007f801c2270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f801b5abf80 RCX: 00007f801b47dea9 RDX: 0000000000000000 RSI: 0000000004008040 RDI: 0000000020000200 RBP: 00007f801c227120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f801b5abf80 R15: 00007ffd4e2296c8 BUG: kernel NULL pointer dereference, address: 0000000000000028 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 115090067 P4D 115090067 PUD 11509c067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 369 Comm: syz-executor.0 Not tainted 6.1.99-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:989 [inline] RIP: 0010:fuse_file_put+0x44/0x590 fs/fuse/file.c:119 Code: 04 25 28 00 00 00 48 89 45 d0 4c 8b 76 08 b8 ff ff ff ff f0 0f c1 46 28 83 f8 01 0f 85 ef 00 00 00 41 89 cc 41 89 d5 49 89 ff <48> 8b 47 28 48 8b 80 c8 03 00 00 48 89 85 d8 fd ff ff 48 c7 85 08 RSP: 0018:ffffc900007b35d0 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff8881150b8600 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881150b8600 RDI: 0000000000000000 RBP: ffffc900007b3800 R08: 0000000000000000 R09: ffffc900007b3768 R10: 00000000ffffefff R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8881150b8100 R15: 0000000000000000 FS: 00007f801c2276c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 00000001150a0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_sync_release+0x2c/0x40 fs/fuse/file.c:400 fuse_create_open+0xa4f/0xb40 fs/fuse/dir.c:829 fuse_atomic_open+0xea/0x140 fs/fuse/dir.c:891 atomic_open fs/namei.c:3346 [inline] lookup_open fs/namei.c:3454 [inline] open_last_lookups fs/namei.c:3551 [inline] path_openat+0x3e2/0xb60 fs/namei.c:3781 do_filp_open+0xad/0x150 fs/namei.c:3811 do_sys_openat2+0x83/0x250 fs/open.c:1341 do_sys_open fs/open.c:1357 [inline] __do_sys_open fs/open.c:1365 [inline] __se_sys_open fs/open.c:1361 [inline] __x64_sys_open+0x77/0xa0 fs/open.c:1361 x64_sys_call+0x36/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3 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: 0033:0x7f801b47dea9 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:00007f801c2270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f801b5abf80 RCX: 00007f801b47dea9 RDX: 0000000000000000 RSI: 0000000004008040 RDI: 0000000020000200 RBP: 00007f801c227120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f801b5abf80 R15: 00007ffd4e2296c8 Modules linked in: CR2: 0000000000000028 ---[ end trace 0000000000000000 ]--- RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:989 [inline] RIP: 0010:fuse_file_put+0x44/0x590 fs/fuse/file.c:119 Code: 04 25 28 00 00 00 48 89 45 d0 4c 8b 76 08 b8 ff ff ff ff f0 0f c1 46 28 83 f8 01 0f 85 ef 00 00 00 41 89 cc 41 89 d5 49 89 ff <48> 8b 47 28 48 8b 80 c8 03 00 00 48 89 85 d8 fd ff ff 48 c7 85 08 RSP: 0018:ffffc900007b35d0 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff8881150b8600 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881150b8600 RDI: 0000000000000000 RBP: ffffc900007b3800 R08: 0000000000000000 R09: ffffc900007b3768 R10: 00000000ffffefff R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: 0000000000000001 R14: ffff8881150b8100 R15: 0000000000000000 FS: 00007f801c2276c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 00000001150a0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 04 25 add $0x25,%al 2: 28 00 sub %al,(%rax) 4: 00 00 add %al,(%rax) 6: 48 89 45 d0 mov %rax,-0x30(%rbp) a: 4c 8b 76 08 mov 0x8(%rsi),%r14 e: b8 ff ff ff ff mov $0xffffffff,%eax 13: f0 0f c1 46 28 lock xadd %eax,0x28(%rsi) 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 ef 00 00 00 jne 0x110 21: 41 89 cc mov %ecx,%r12d 24: 41 89 d5 mov %edx,%r13d 27: 49 89 ff mov %rdi,%r15 * 2a: 48 8b 47 28 mov 0x28(%rdi),%rax <-- trapping instruction 2e: 48 8b 80 c8 03 00 00 mov 0x3c8(%rax),%rax 35: 48 89 85 d8 fd ff ff mov %rax,-0x228(%rbp) 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: 85 08 test %ecx,(%rax)