* [syzbot] upstream boot error: BUG: corrupted list in new_inode
@ 2022-08-15 18:00 syzbot
2022-08-15 18:07 ` Guenter Roeck
0 siblings, 1 reply; 3+ messages in thread
From: syzbot @ 2022-08-15 18:00 UTC (permalink / raw)
To: linux-fsdevel, linux-kernel, syzkaller-bugs, viro
Hello,
syzbot found the following issue on:
HEAD commit: 5d6a0f4da927 Merge tag 'for-linus-6.0-rc1b-tag' of git://g..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1399b2f3080000
kernel config: https://syzkaller.appspot.com/x/.config?x=f6bcb425ba129b87
dashboard link: https://syzkaller.appspot.com/bug?extid=24df94a8d05d5a3e68f0
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+24df94a8d05d5a3e68f0@syzkaller.appspotmail.com
list_add corruption. next->prev should be prev (ffff8881401c0a00), but was ffff000000000000. (next=ffff88801fb50308).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:27!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 24 Comm: kdevtmpfs Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:__list_add_valid.cold+0xf/0x58 lib/list_debug.c:27
Code: 48 c7 c6 00 ec 48 8a 48 89 ef 49 c7 c7 ea ff ff ff e8 5b 63 05 00 e9 c2 7d b6 fa 4c 89 e1 48 c7 c7 a0 f2 48 8a e8 95 f2 f0 ff <0f> 0b 48 c7 c7 40 f2 48 8a e8 87 f2 f0 ff 0f 0b 48 c7 c7 a0 f1 48
RSP: 0018:ffffc900001efc10 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff8881401c0000 RCX: 0000000000000000
RDX: ffff888012620000 RSI: ffffffff8161f148 RDI: fffff5200003df74
RBP: ffff88801db8b588 R08: 0000000000000075 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: ffff88801fb50308
R13: ffff88801fb50308 R14: ffff8881401c0000 R15: ffff88801db8b588
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
Call Trace:
<TASK>
__list_add include/linux/list.h:69 [inline]
list_add include/linux/list.h:88 [inline]
inode_sb_list_add fs/inode.c:495 [inline]
new_inode+0x114/0x270 fs/inode.c:1049
shmem_get_inode+0x19b/0xe00 mm/shmem.c:2306
shmem_mknod+0x5a/0x1f0 mm/shmem.c:2873
vfs_mknod+0x4d2/0x7e0 fs/namei.c:3892
handle_create+0x340/0x4b3 drivers/base/devtmpfs.c:226
handle drivers/base/devtmpfs.c:391 [inline]
devtmpfs_work_loop drivers/base/devtmpfs.c:406 [inline]
devtmpfsd+0x1a4/0x2a3 drivers/base/devtmpfs.c:448
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid.cold+0xf/0x58 lib/list_debug.c:27
Code: 48 c7 c6 00 ec 48 8a 48 89 ef 49 c7 c7 ea ff ff ff e8 5b 63 05 00 e9 c2 7d b6 fa 4c 89 e1 48 c7 c7 a0 f2 48 8a e8 95 f2 f0 ff <0f> 0b 48 c7 c7 40 f2 48 8a e8 87 f2 f0 ff 0f 0b 48 c7 c7 a0 f1 48
RSP: 0018:ffffc900001efc10 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff8881401c0000 RCX: 0000000000000000
RDX: ffff888012620000 RSI: ffffffff8161f148 RDI: fffff5200003df74
RBP: ffff88801db8b588 R08: 0000000000000075 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: ffff88801fb50308
R13: ffff88801fb50308 R14: ffff8881401c0000 R15: ffff88801db8b588
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] upstream boot error: BUG: corrupted list in new_inode
2022-08-15 18:00 [syzbot] upstream boot error: BUG: corrupted list in new_inode syzbot
@ 2022-08-15 18:07 ` Guenter Roeck
2022-08-15 18:45 ` syzbot
0 siblings, 1 reply; 3+ messages in thread
From: Guenter Roeck @ 2022-08-15 18:07 UTC (permalink / raw)
To: syzbot; +Cc: linux-fsdevel, linux-kernel, syzkaller-bugs, viro
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git fc4d146e8d7d25ef88d409bea1f2e9aff7f30635
On Mon, Aug 15, 2022 at 11:00:29AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 5d6a0f4da927 Merge tag 'for-linus-6.0-rc1b-tag' of git://g..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1399b2f3080000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f6bcb425ba129b87
> dashboard link: https://syzkaller.appspot.com/bug?extid=24df94a8d05d5a3e68f0
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+24df94a8d05d5a3e68f0@syzkaller.appspotmail.com
>
> list_add corruption. next->prev should be prev (ffff8881401c0a00), but was ffff000000000000. (next=ffff88801fb50308).
> ------------[ cut here ]------------
> kernel BUG at lib/list_debug.c:27!
> invalid opcode: 0000 [#1] PREEMPT SMP KASAN
> CPU: 0 PID: 24 Comm: kdevtmpfs Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927 #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
> RIP: 0010:__list_add_valid.cold+0xf/0x58 lib/list_debug.c:27
> Code: 48 c7 c6 00 ec 48 8a 48 89 ef 49 c7 c7 ea ff ff ff e8 5b 63 05 00 e9 c2 7d b6 fa 4c 89 e1 48 c7 c7 a0 f2 48 8a e8 95 f2 f0 ff <0f> 0b 48 c7 c7 40 f2 48 8a e8 87 f2 f0 ff 0f 0b 48 c7 c7 a0 f1 48
> RSP: 0018:ffffc900001efc10 EFLAGS: 00010286
> RAX: 0000000000000075 RBX: ffff8881401c0000 RCX: 0000000000000000
> RDX: ffff888012620000 RSI: ffffffff8161f148 RDI: fffff5200003df74
> RBP: ffff88801db8b588 R08: 0000000000000075 R09: 0000000000000000
> R10: 0000000080000001 R11: 0000000000000000 R12: ffff88801fb50308
> R13: ffff88801fb50308 R14: ffff8881401c0000 R15: ffff88801db8b588
> FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
> Call Trace:
> <TASK>
> __list_add include/linux/list.h:69 [inline]
> list_add include/linux/list.h:88 [inline]
> inode_sb_list_add fs/inode.c:495 [inline]
> new_inode+0x114/0x270 fs/inode.c:1049
> shmem_get_inode+0x19b/0xe00 mm/shmem.c:2306
> shmem_mknod+0x5a/0x1f0 mm/shmem.c:2873
> vfs_mknod+0x4d2/0x7e0 fs/namei.c:3892
> handle_create+0x340/0x4b3 drivers/base/devtmpfs.c:226
> handle drivers/base/devtmpfs.c:391 [inline]
> devtmpfs_work_loop drivers/base/devtmpfs.c:406 [inline]
> devtmpfsd+0x1a4/0x2a3 drivers/base/devtmpfs.c:448
> kthread+0x2e4/0x3a0 kernel/kthread.c:376
> ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
> </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> RIP: 0010:__list_add_valid.cold+0xf/0x58 lib/list_debug.c:27
> Code: 48 c7 c6 00 ec 48 8a 48 89 ef 49 c7 c7 ea ff ff ff e8 5b 63 05 00 e9 c2 7d b6 fa 4c 89 e1 48 c7 c7 a0 f2 48 8a e8 95 f2 f0 ff <0f> 0b 48 c7 c7 40 f2 48 8a e8 87 f2 f0 ff 0f 0b 48 c7 c7 a0 f1 48
> RSP: 0018:ffffc900001efc10 EFLAGS: 00010286
> RAX: 0000000000000075 RBX: ffff8881401c0000 RCX: 0000000000000000
> RDX: ffff888012620000 RSI: ffffffff8161f148 RDI: fffff5200003df74
> RBP: ffff88801db8b588 R08: 0000000000000075 R09: 0000000000000000
> R10: 0000000080000001 R11: 0000000000000000 R12: ffff88801fb50308
> R13: ffff88801fb50308 R14: ffff8881401c0000 R15: ffff88801db8b588
> FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 0000000000350ef0
>
>
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@googlegroups.com.
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] upstream boot error: BUG: corrupted list in new_inode
2022-08-15 18:07 ` Guenter Roeck
@ 2022-08-15 18:45 ` syzbot
0 siblings, 0 replies; 3+ messages in thread
From: syzbot @ 2022-08-15 18:45 UTC (permalink / raw)
To: linux-fsdevel, linux-kernel, linux, syzkaller-bugs, viro
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-root-test-job-test-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
syzkaller build log:
go env (err=<nil>)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build2326737377=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at 8dfcaa3d2
nothing to commit, working tree clean
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8dfcaa3d2828a113ae780da01f5f73ad64710e31 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220812-115356'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8dfcaa3d2828a113ae780da01f5f73ad64710e31 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220812-115356'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8dfcaa3d2828a113ae780da01f5f73ad64710e31 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220812-115356'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"8dfcaa3d2828a113ae780da01f5f73ad64710e31\"
Tested on:
commit: fc4d146e virtio_net: Revert "virtio_net: set the defau..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
kernel config: https://syzkaller.appspot.com/x/.config?x=3b9175e0879a7749
dashboard link: https://syzkaller.appspot.com/bug?extid=24df94a8d05d5a3e68f0
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
Note: no patches were applied.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-08-15 19:38 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-08-15 18:00 [syzbot] upstream boot error: BUG: corrupted list in new_inode syzbot
2022-08-15 18:07 ` Guenter Roeck
2022-08-15 18:45 ` syzbot
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