ci2 starts bisection 2024-04-27 09:49:01.748840704 +0000 UTC m=+25474.158146220 bisecting fixing commit since ea586874d2f9e501ef84b7e55036fc8965397d5d building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784 ensuring issue is reproducible on original commit ea586874d2f9e501ef84b7e55036fc8965397d5d testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4353dc7a5ad6d7235df1afce9de0beae6da65eb7309ef6dc09f524f7aee1ecee 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 ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18a9a1b086ce17199335387311ffa794c07c30964f459552749225db6aaab86d 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4920 full=6163 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 429a6a0430c592990680be25575e78d3918b7d2d787fb8a642d9b70ffdbc0a77 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af6ccc5054098de38c888decdb419c160ac4cd4e20494501921aced393ec7372 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2220c4acb8b4901c1b9f1b572722576bbd7ebcc7b710e9f560f96ad57a9899c2 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bf0587a94745206b58984161bfdee867297ce79a3468405c4eeba22eb056ddd 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 ea586874d2f9e501ef84b7e55036fc8965397d5d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building ea586874d2f9e501ef84b7e55036fc8965397d5d: net/socket.c:1172: undefined reference to `wext_handle_ioctl' net/socket.c:3366: 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 [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing current HEAD 5d96939590c0122be2138255c921e57e3f78b7bd testing commit 5d96939590c0122be2138255c921e57e3f78b7bd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e6e5ac56adca77e8411533e85ce4eed1c3dc98bd26f21f9c7232253b2557dda9 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: 1h10m40.381461339s (build: 38m58.716431628s, test: 29m46.090025402s) crash still not fixed or there were kernel test errors commit msg: Revert "hrtimer: Report offline hrtimer enqueue" 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:00007fd070afb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd0710da120 RCX: 00007fd070fbaae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007fd070afb120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007fd0710da120 R15: 00007ffc4ecd8838 BUG: kernel NULL pointer dereference, address: 0000000000000028 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 115a22067 P4D 115a22067 PUD 115a26067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 361 Comm: syz-executor.0 Not tainted 5.15.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:955 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:965 [inline] RIP: 0010:fuse_file_put+0x6e/0x670 fs/fuse/file.c:121 Code: 2b 04 25 28 00 00 00 0f 85 eb 05 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:ffffc90000433640 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881153cef00 RDI: 0000000000000000 RBP: ffffc90000433878 R08: 0000000000000000 R09: ffffc900004337d0 R10: 0000000000000306 R11: ffffffff82eb2440 R12: ffff8881153cef00 R13: 0000000000000000 R14: ffff8881153ce500 R15: 00000000fffffff4 FS: 00007fd070afb6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000115a16000 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:401 fuse_create_open+0xa68/0xab0 fs/fuse/dir.c:818 fuse_atomic_open+0xff/0x120 fs/fuse/dir.c:880 atomic_open fs/namei.c:3325 [inline] lookup_open fs/namei.c:3433 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0x7d7/0x1230 fs/namei.c:3739 do_filp_open+0xb1/0x150 fs/namei.c:3769 do_sys_openat2+0x9c/0x250 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x51/0x90 fs/open.c:1261 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: 0033:0x7fd070fbaae9 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:00007fd070afb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd0710da120 RCX: 00007fd070fbaae9 RDX: 0000000000000c41 RSI: 0000000020002000 RDI: ffffffffffffff9c RBP: 00007fd070afb120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007fd0710da120 R15: 00007ffc4ecd8838 Modules linked in: CR2: 0000000000000028 ---[ end trace 565464a7fc9281ef ]--- RIP: 0010:get_fuse_mount_super fs/fuse/fuse_i.h:955 [inline] RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:965 [inline] RIP: 0010:fuse_file_put+0x6e/0x670 fs/fuse/file.c:121 Code: 2b 04 25 28 00 00 00 0f 85 eb 05 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:ffffc90000433640 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffff8881153cef00 RDI: 0000000000000000 RBP: ffffc90000433878 R08: 0000000000000000 R09: ffffc900004337d0 R10: 0000000000000306 R11: ffffffff82eb2440 R12: ffff8881153cef00 R13: 0000000000000000 R14: ffff8881153ce500 R15: 00000000fffffff4 FS: 00007fd070afb6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000028 CR3: 0000000115a16000 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