ci2 starts bisection 2023-04-10 17:21:11.937082426 +0000 UTC m=+246202.945422955 bisecting fixing commit since abddfcf701a5427cb1bddeaa130bceb72b160aa5 building syzkaller on 5205ef306e8b4217fc49cb8d8bd18670b7d08c3c ensuring issue is reproducible on original commit abddfcf701a5427cb1bddeaa130bceb72b160aa5 testing commit abddfcf701a5427cb1bddeaa130bceb72b160aa5 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8a183f1350d61a3676fc9bc165d6bb1294bb615fa1892ea4439279c262e2cbae run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0019f34a0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0019f3540] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0010bf220] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0010be0a0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0010be140] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0014fc190] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0010be820] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0014fc2d0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0005f2140] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0014fc550] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #10: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc006cbc190] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #11: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0014fc780] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #12: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #13: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #14: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #15: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #16: crashed: BUG: soft lockup in rtnl_newlink run #17: crashed: BUG: soft lockup in rtnl_newlink run #18: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet run #19: crashed: BUG: soft lockup in rtnl_newlink testing current HEAD d86dfc4d95cd218246b10ca7adf22c8626547599 testing commit d86dfc4d95cd218246b10ca7adf22c8626547599 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e33b72c6c328497f67279b4fbd857fdad123c7d61a36f985dc543a38cd84c36f run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0009d0d20] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000bba3c0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #3: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #4: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #5: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #6: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: BUG: soft lockup in rtnl_newlink run #8: crashed: BUG: soft lockup in rtnl_newlink run #9: crashed: BUG: soft lockup in rtnl_newlink revisions tested: 2, total time: 50m29.854392025s (build: 41m34.915154164s, test: 7m13.774134028s) the crash still happens on HEAD commit msg: Linux 5.15.106 crash: BUG: soft lockup in rtnl_newlink watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.0:4648] Modules linked in: irq event stamp: 56169039 hardirqs last enabled at (56169038): [] __local_bh_enable_ip+0x258/0x4d0 kernel/softirq.c:388 hardirqs last disabled at (56169039): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (1190): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (1190): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (1222): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (1222): [] batadv_tt_local_resize_to_mtu+0x58/0x10c net/batman-adv/translation-table.c:3950 CPU: 0 PID: 4648 Comm: syz-executor.0 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : should_resched arch/arm64/include/asm/preempt.h:78 [inline] pc : __local_bh_enable_ip+0x260/0x4d0 kernel/softirq.c:390 lr : __local_bh_enable_ip+0x258/0x4d0 kernel/softirq.c:388 sp : ffff80001b4e68b0 x29: ffff80001b4e68c0 x28: dfff800000000000 x27: 1fffe0001925f451 x26: ffff0000c92fa298 x25: ffff0000c92fa288 x24: 0000000000000001 x23: 1fffe0001a0c0001 x22: dfff800000000000 x21: ffff800010552d78 x20: 0000000000000000 x19: ffff0000d0600008 x18: ffffffffffffffff x17: 77656e2074696620 x16: ffff80000828fe48 x15: 6e65207474206c61 x14: 1ffff000026b406a x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000000201 x10: 0000000000000003 x9 : 0000000000000000 x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000803f234 x2 : 0000000000000002 x1 : ffff800010819560 x0 : ffff8001a159d000 Call trace: arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] __local_bh_enable_ip+0x260/0x4d0 kernel/softirq.c:388 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:408 [inline] batadv_tt_local_purge_pending_clients+0x22c/0x2a8 net/batman-adv/translation-table.c:3674 batadv_tt_local_resize_to_mtu+0xa4/0x10c net/batman-adv/translation-table.c:3958 batadv_update_min_mtu net/batman-adv/hard-interface.c:635 [inline] batadv_hardif_activate_interface+0x188/0x208 net/batman-adv/hard-interface.c:662 batadv_hardif_enable_interface+0x3dc/0x618 net/batman-adv/hard-interface.c:745 batadv_softif_slave_add+0x6c/0x100 net/batman-adv/soft-interface.c:839 do_set_master net/core/rtnetlink.c:2523 [inline] __rtnl_newlink net/core/rtnetlink.c:3479 [inline] rtnl_newlink+0x1200/0x16a4 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0x428/0x994 net/core/rtnetlink.c:5587 netlink_rcv_skb+0x1d8/0x310 net/netlink/af_netlink.c:2533 rtnetlink_rcv+0x18/0x24 net/core/rtnetlink.c:5605 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x51c/0x844 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x5c8/0x958 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x44c/0x6e0 net/socket.c:2412 ___sys_sendmsg+0x1d0/0x248 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg net/socket.c:2502 [inline] __arm64_sys_sendmsg+0x17c/0x1f8 net/socket.c:2502 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x7c/0x250 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x160/0x1e4 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x4c/0xf0 arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584