ci2 starts bisection 2024-07-02 19:41:41.334629165 +0000 UTC m=+35996.154800178 bisecting fixing commit since 61cfd264993d07540f60a5c53d77a14c818e54a9 building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759 ensuring issue is reproducible on original commit 61cfd264993d07540f60a5c53d77a14c818e54a9 testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c94be6b0f7c68dfcfc2eb5ea7a001a983dafcdf8fca81d3035ac19e21da2b37a run #0: crashed: general protection fault in hrtimer_active run #1: crashed: general protection fault in hrtimer_active run #2: crashed: general protection fault in hrtimer_active run #3: crashed: general protection fault in hrtimer_active run #4: crashed: general protection fault in hrtimer_active run #5: crashed: general protection fault in hrtimer_active run #6: crashed: general protection fault in hrtimer_active run #7: crashed: general protection fault in hrtimer_active run #8: crashed: general protection fault in hrtimer_active run #9: crashed: general protection fault in hrtimer_active run #10: crashed: general protection fault in hrtimer_active run #11: crashed: general protection fault in hrtimer_active run #12: crashed: general protection fault in hrtimer_active run #13: crashed: general protection fault in hrtimer_active run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: crashed: no output from test machine representative crash: general protection fault in hrtimer_active, 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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7acd4ded3013f215674d3ef0063c7c7b78492e56d2cc3c2e3e65ed77661f4f2f run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, 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=4920 full=6161 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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ec65298068947cc82668c730f129af4798962ce6747f3a62b96085817d581bd3 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 533aace97259c8299f76694a5a123f54547c54813fda45f8bbc5abfa28a53f74 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 709a4b8ace1c8bebdd2f5c64ac8409f047aa2c4a48690b833b4ab9b8984e7daf run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, 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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8687583ef878edfb61622c3b4413f967caec3c3885ad83b96df864fa0cbdba24 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, 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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 failed building 61cfd264993d07540f60a5c53d77a14c818e54a9: net/socket.c:1189: undefined reference to `wext_handle_ioctl' net/socket.c:3383: 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 9044d25b8ff5cb55bf57542a8457cd1e4e37646d testing commit 9044d25b8ff5cb55bf57542a8457cd1e4e37646d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5590578b6139dc80846798487d54d56500eb24d84223735b4e0a94c2677f7c2c run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 1h16m24.577854337s (build: 13m43.794962081s, test: 1h1m5.257854249s) crash still not fixed or there were kernel test errors commit msg: Revert "net: dev: Convert sa_data to flexible array in struct sockaddr" crash: BUG: unable to handle kernel NULL pointer dereference in hrtimer_active netlink: 'syz-executor.0': attribute type 27 has an invalid length. bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state BUG: kernel NULL pointer dereference, address: 0000000000000010 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10fcd9067 P4D 10fcd9067 PUD 10fcd1067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 364 Comm: syz-executor.0 Not tainted 5.15.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x4/0x40 kernel/time/hrtimer.c:1611 Code: 0f af d1 4c 8d 0c 16 4c 01 d2 4d 39 c8 4c 89 ce 4c 89 4f 18 49 89 d2 48 89 57 20 7c d6 48 83 c0 01 eb 9b 0f 1f 00 48 8b 57 30 <8b> 42 10 a8 01 74 09 f3 90 8b 42 10 a8 01 75 f7 80 7f 38 00 75 19 RSP: 0018:ffffc90000363290 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810964d118 RCX: 000061100fc019e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810964d118 RBP: ffffc900003632c0 R08: 0000000000000000 R09: ffff88810b5f20a0 R10: 0000000000000000 R11: ffff88810b5f20a0 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88810b5f2000 R15: 0000000000000001 FS: 00007fb5f0f0e6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000010 CR3: 000000010fce2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_cancel+0x10/0x20 kernel/time/hrtimer.c:1443 napi_disable+0x60/0x80 net/core/dev.c:6965 veth_napi_del_range+0x63/0x1a0 drivers/net/veth.c:985 veth_napi_del drivers/net/veth.c:1000 [inline] veth_set_features+0x4e/0x60 drivers/net/veth.c:1428 __netdev_update_features+0x27f/0x760 net/core/dev.c:10015 netdev_update_features+0x20/0x90 net/core/dev.c:10089 veth_xdp_set drivers/net/veth.c:1519 [inline] veth_xdp+0xec/0x1d0 drivers/net/veth.c:1532 dev_xdp_install+0x67/0xe0 net/core/dev.c:9414 dev_xdp_attach+0x1dc/0x520 net/core/dev.c:9562 dev_change_xdp_fd+0x19f/0x1e0 net/core/dev.c:9808 do_setlink+0xf13/0x1020 net/core/rtnetlink.c:2953 rtnl_group_changelink net/core/rtnetlink.c:3270 [inline] __rtnl_newlink+0x628/0xa30 net/core/rtnetlink.c:3439 rtnl_newlink+0x44/0x70 net/core/rtnetlink.c:3549 rtnetlink_rcv_msg+0x13e/0x380 net/core/rtnetlink.c:5630 netlink_rcv_skb+0x4e/0xf0 net/netlink/af_netlink.c:2505 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5648 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x250/0x340 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x241/0x490 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg+0x35/0x40 net/socket.c:716 ____sys_sendmsg+0x23e/0x260 net/socket.c:2431 ___sys_sendmsg+0x74/0xc0 net/socket.c:2485 __sys_sendmsg+0x5d/0xb0 net/socket.c:2514 __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg net/socket.c:2521 [inline] __x64_sys_sendmsg+0x1a/0x20 net/socket.c:2521 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: 0033:0x7fb5f13acae9 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:00007fb5f0f0e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb5f14cc050 RCX: 00007fb5f13acae9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007fb5f13f847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fb5f14cc050 R15: 00007ffc645c5b28 Modules linked in: CR2: 0000000000000010 ---[ end trace a7fdfd91df4de3b8 ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x4/0x40 kernel/time/hrtimer.c:1611 Code: 0f af d1 4c 8d 0c 16 4c 01 d2 4d 39 c8 4c 89 ce 4c 89 4f 18 49 89 d2 48 89 57 20 7c d6 48 83 c0 01 eb 9b 0f 1f 00 48 8b 57 30 <8b> 42 10 a8 01 74 09 f3 90 8b 42 10 a8 01 75 f7 80 7f 38 00 75 19 RSP: 0018:ffffc90000363290 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810964d118 RCX: 000061100fc019e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88810964d118 RBP: ffffc900003632c0 R08: 0000000000000000 R09: ffff88810b5f20a0 R10: 0000000000000000 R11: ffff88810b5f20a0 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88810b5f2000 R15: 0000000000000001 FS: 00007fb5f0f0e6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000010 CR3: 000000010fce2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f af d1 imul %ecx,%edx 3: 4c 8d 0c 16 lea (%rsi,%rdx,1),%r9 7: 4c 01 d2 add %r10,%rdx a: 4d 39 c8 cmp %r9,%r8 d: 4c 89 ce mov %r9,%rsi 10: 4c 89 4f 18 mov %r9,0x18(%rdi) 14: 49 89 d2 mov %rdx,%r10 17: 48 89 57 20 mov %rdx,0x20(%rdi) 1b: 7c d6 jl 0xfffffff3 1d: 48 83 c0 01 add $0x1,%rax 21: eb 9b jmp 0xffffffbe 23: 0f 1f 00 nopl (%rax) 26: 48 8b 57 30 mov 0x30(%rdi),%rdx * 2a: 8b 42 10 mov 0x10(%rdx),%eax <-- trapping instruction 2d: a8 01 test $0x1,%al 2f: 74 09 je 0x3a 31: f3 90 pause 33: 8b 42 10 mov 0x10(%rdx),%eax 36: a8 01 test $0x1,%al 38: 75 f7 jne 0x31 3a: 80 7f 38 00 cmpb $0x0,0x38(%rdi) 3e: 75 19 jne 0x59