ci2 starts bisection 2024-05-01 04:37:48.123107583 +0000 UTC m=+17437.898367608 bisecting fixing commit since 993bed180178156a70afdafe8aaf23a117107352 building syzkaller on d615901c739a765329b688494cee2f8e1b5037cb ensuring issue is reproducible on original commit 993bed180178156a70afdafe8aaf23a117107352 testing commit 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e911d20efdf7936a12b32b18f9a900c260bd7733bf231bc632397e842cf2c103 all runs: crashed: general protection fault in fuse_atomic_open representative crash: general protection fault in fuse_atomic_open, 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 344abf374456e6eb09f6a11e8302cba163a77e8c1520492cf76ad9dafa1cffb1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4920 full=6159 leaves diff=242 split chunks (needed=false): <242> split chunk #0 of len 242 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ead1103a372df1436ff1d12808d884932fe24dacb09020ac787a82beeed215e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 271d2075f32ac19e8cc0769d7c8721611b18059af8de4532e79cd9e709a9667b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37a69c52433f25a10867b4d58a1ac277b2c33caabda30ac0d7f82cf8f8d9e124 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0d1f7e790e01997b2d83e405dca059a237d7855f18b53ff0b0e171009694a2c7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, 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 993bed180178156a70afdafe8aaf23a117107352 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 993bed180178156a70afdafe8aaf23a117107352: net/socket.c:1191: undefined reference to `wext_handle_ioctl' net/socket.c:3385: 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 46 configs; suspects: [HID_ZEROPLUS USB_NET_GL620A 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], 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: bf0a7974fc4272de9cc1fccff44c1d4917401164a179b8f981aba8d5104e2736 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open representative crash: BUG: unable to handle kernel NULL pointer dereference in fuse_atomic_open, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 2h0m23.253924054s (build: 1h0m6.156860735s, test: 55m58.250495666s) 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_atomic_open BUG: kernel NULL pointer dereference, address: 0000000000000038 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10e35a067 P4D 10e35a067 PUD 10e35e067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 356 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:fuse_atomic_open+0x49/0x120 fs/fuse/dir.c:871 Code: 89 e5 41 57 45 89 c7 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 31 db 48 83 ec 10 f7 06 00 00 00 10 75 7a f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 48 89 de 4c 89 f7 e8 74 d6 ea ff 48 83 c4 RSP: 0018:ffffc900003bbc80 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000008 RCX: 0000000000008041 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88810a905b88 RBP: ffffc900003bbcb8 R08: ffff88810e2408c8 R09: ffff888100db9c00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: ffff88810a905800 R14: ffff888102197780 R15: 0000000000008000 FS: 00007f42a85756c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000010e349000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f42a8a14da9 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:00007f42a85750c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f42a8b43050 RCX: 00007f42a8a14da9 RDX: 0000000000080041 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f42a8a6147a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f42a8b43050 R15: 00007ffdd5bb9698 Modules linked in: CR2: 0000000000000038 ---[ end trace 3046ea4b7059fca4 ]--- RIP: 0010:fuse_atomic_open+0x49/0x120 fs/fuse/dir.c:871 Code: 89 e5 41 57 45 89 c7 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 31 db 48 83 ec 10 f7 06 00 00 00 10 75 7a f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 48 89 de 4c 89 f7 e8 74 d6 ea ff 48 83 c4 RSP: 0018:ffffc900003bbc80 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000008 RCX: 0000000000008041 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88810a905b88 RBP: ffffc900003bbcb8 R08: ffff88810e2408c8 R09: ffff888100db9c00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000008 R13: ffff88810a905800 R14: ffff888102197780 R15: 0000000000008000 FS: 00007f42a85756c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000010e349000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 e5 mov %esp,%ebp 2: 41 57 push %r15 4: 45 89 c7 mov %r8d,%r15d 7: 41 56 push %r14 9: 49 89 d6 mov %rdx,%r14 c: 41 55 push %r13 e: 49 89 fd mov %rdi,%r13 11: 41 54 push %r12 13: 49 89 f4 mov %rsi,%r12 16: 53 push %rbx 17: 31 db xor %ebx,%ebx 19: 48 83 ec 10 sub $0x10,%rsp 1d: f7 06 00 00 00 10 testl $0x10000000,(%rsi) 23: 75 7a jne 0x9f 25: f6 c1 40 test $0x40,%cl 28: 74 08 je 0x32 * 2a: 49 83 7c 24 30 00 cmpq $0x0,0x30(%r12) <-- trapping instruction 30: 74 1a je 0x4c 32: 48 89 de mov %rbx,%rsi 35: 4c 89 f7 mov %r14,%rdi 38: e8 74 d6 ea ff call 0xffead6b1 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4