ci2 starts bisection 2023-05-11 06:32:38.359422408 +0000 UTC m=+7398.732968324 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: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000c34230] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000c34320] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc001f14280] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000c344b0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 80.0 in region us-central1. ForceSendFields:[] NullFields:[]}. 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: KASAN: slab-out-of-bounds Write in pskb_expand_head run #7: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #8: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #9: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #10: crashed: BUG: soft lockup in rtnl_newlink run #11: crashed: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet run #12: crashed: BUG: soft lockup in rtnl_newlink run #13: crashed: BUG: soft lockup in rtnl_newlink run #14: crashed: BUG: soft lockup in rtnl_newlink run #15: crashed: BUG: soft lockup in rtnl_newlink 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 rtnl_newlink run #19: crashed: BUG: soft lockup in rtnl_newlink testing current HEAD 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: eacef7d3d613c8632375029a485b815ff42b84d74e8a6f8a01e71284d62dfd10 run #0: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head run #1: crashed: KASAN: slab-out-of-bounds Write in pskb_expand_head 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: BUG: soft lockup in rtnl_newlink run #5: crashed: BUG: soft lockup in rtnl_newlink run #6: crashed: BUG: soft lockup in rtnl_newlink 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 batadv_iv_send_outstanding_bat_ogm_packet crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 1h8m58.659184754s (build: 1h1m17.967755678s, test: 6m58.87887108s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.110 crash: BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [kworker/u4:1:136] Modules linked in: irq event stamp: 667487 hardirqs last enabled at (667486): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (667486): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (667487): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (662520): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (662520): [] batadv_nc_purge_paths+0xe0/0x2e8 net/batman-adv/network-coding.c:475 softirqs last disabled at (662530): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (662530): [] batadv_tt_local_commit_changes+0x20/0x40 net/batman-adv/translation-table.c:3718 CPU: 0 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : queued_spin_lock_slowpath+0x160/0x938 kernel/locking/qspinlock.c:382 lr : queued_spin_lock_slowpath+0x16c/0x938 kernel/locking/qspinlock.c:382 sp : ffff800017eb76e0 x29: ffff800017eb7780 x28: 1ffff00002fd6ee8 x27: 1fffe0001aa24266 x26: dfff800000000000 x25: ffff700002fd6ee0 x24: ffff800017eb7700 x23: 1fffe0001aa24265 x22: ffff800017eb7740 x21: 0000000000000001 x20: 0000000000000001 x19: ffff0000d5121328 x18: 1fffe0003695198e x17: 1fffe0003695198e x16: ffff8000082a9d38 x15: ffff8000136372e0 x14: 1ffff000026b406a x13: dfff800000000000 x12: 0000000000000001 x11: 1fffe0001aa24265 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000101 x7 : ffff800010553b68 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082a9044 x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline] __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline] queued_spin_lock_slowpath+0x160/0x938 kernel/locking/qspinlock.c:382 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x12c/0x1c4 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] batadv_tt_local_commit_changes+0x20/0x40 net/batman-adv/translation-table.c:3718 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:812 [inline] batadv_iv_ogm_schedule+0x17c/0xb64 net/batman-adv/bat_iv_ogm.c:869 batadv_iv_send_outstanding_bat_ogm_packet+0x61c/0x7ac net/batman-adv/bat_iv_ogm.c:1713 process_one_work+0x698/0xf54 kernel/workqueue.c:2306 worker_thread+0x7f8/0xe68 kernel/workqueue.c:2453 kthread+0x318/0x3ec kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870