ci2 starts bisection 2023-04-15 20:10:35.870462098 +0000 UTC m=+113344.095363042 bisecting fixing commit since 2ddbd0f967b34872290e0f98fae32b91b4de7b87 building syzkaller on 18b586030b9a7e7f4c7208f44be8994740608841 ensuring issue is reproducible on original commit 2ddbd0f967b34872290e0f98fae32b91b4de7b87 testing commit 2ddbd0f967b34872290e0f98fae32b91b4de7b87 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 41bdbce8882fd76f964ae9699d71836433e2a2e909c29cfca89d2cfac5d8c0d9 run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0037d6eb0] 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:[0xc0009b10e0] 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:[0xc0037d6f50] 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:[0xc0037d7040] 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:[0xc0009b1270] 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:[0xc0037d7130] 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:[0xc000aea230] 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:[0xc0006be280] 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:[0xc0006be4b0] 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:[0xc0006be5a0] 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:[0xc0006be6e0] 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:[0xc001a5c190] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #12: crashed: WARNING in del_gendisk run #13: crashed: WARNING in del_gendisk run #14: crashed: WARNING in del_gendisk run #15: crashed: WARNING in del_gendisk run #16: crashed: WARNING in del_gendisk run #17: crashed: WARNING in del_gendisk run #18: crashed: WARNING in del_gendisk run #19: crashed: WARNING in del_gendisk testing current HEAD 4fdad925aa1a320c2f32bf956ed29100c7fdc464 testing commit 4fdad925aa1a320c2f32bf956ed29100c7fdc464 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2796ea2d9f5555ae0c044b9b83f86a05485ba827746db1dc19e3a5becf41d345 run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000647b30] 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:[0xc004b22c80] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: crashed: WARNING in del_gendisk run #3: crashed: WARNING in del_gendisk run #4: crashed: WARNING in del_gendisk run #5: crashed: WARNING in del_gendisk run #6: crashed: WARNING in del_gendisk run #7: crashed: WARNING in del_gendisk run #8: crashed: WARNING in del_gendisk run #9: crashed: WARNING in del_gendisk revisions tested: 2, total time: 45m32.47936271s (build: 37m56.16698176s, test: 5m58.342596593s) the crash still happens on HEAD commit msg: Linux 5.15.107 crash: WARNING in del_gendisk ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4650 at block/genhd.c:589 del_gendisk+0x61c/0x6a0 block/genhd.c:648 Modules linked in: CPU: 1 PID: 4650 Comm: syz-executor.0 Not tainted 5.15.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : del_gendisk+0x61c/0x6a0 block/genhd.c:648 lr : del_gendisk+0x5c/0x6a0 block/genhd.c:587 sp : ffff80001b167bc0 x29: ffff80001b167be0 x28: ffff0000d81f8000 x27: 1fffe0001b28c82a x26: 1fffe0001b28c892 x25: 1fffe00019e7df10 x24: ffff0000cf3ef880 x23: ffff0000d9464004 x22: ffff0000cf3ef8a0 x21: ffff0000cf3ef800 x20: ffff0000cb9c38e0 x19: ffff0000d9464000 x18: ffffffffffffffff x17: ffffffffffffffff x16: ffff80000828e338 x15: 0000000000000001 x14: 1ffff000026b406a x13: dfff800000000000 x12: 0000000000000001 x11: 1ffff0000362cf6c x10: 0000000000000003 x9 : dfff800000000000 x8 : 0000000000000002 x7 : ffff80000b8224bc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80001078e020 x2 : 0000000000000000 x1 : ffff80001081a820 x0 : 0000000000000000 Call trace: del_gendisk+0x61c/0x6a0 block/genhd.c:648 loop_remove drivers/block/loop.c:2452 [inline] loop_control_remove drivers/block/loop.c:2509 [inline] loop_control_ioctl+0x3b4/0x530 drivers/block/loop.c:2547 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x110/0x14c fs/ioctl.c:860 __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 irq event stamp: 454 hardirqs last enabled at (453): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (454): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (426): [] local_bh_enable+0xc/0x2c include/linux/bottom_half.h:31 softirqs last disabled at (424): [] local_bh_disable+0xc/0x2c include/linux/bottom_half.h:18 ---[ end trace a49bb34867bc4631 ]---