ci starts bisection 2023-02-20 23:30:02.518225736 +0000 UTC m=+33029.839730792
bisecting fixing commit since 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23
ensuring issue is reproducible on original commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c

testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 64b95f9efdb504335dc2f005dd3621af715bcff34cde68b29cb2cbb3b4c589fe
all runs: crashed: WARNING in v9fs_fid_get_acl
testing current HEAD 5b0ed5964928b0aaf0d644c17c886c7f5ea4bb3f
testing commit 5b0ed5964928b0aaf0d644c17c886c7f5ea4bb3f gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c0a11449ae9fda9d3002ffbebe3c6c74023d70bcd4c760a028bb358b4cb1040d
all runs: crashed: WARNING in v9fs_fid_get_acl
revisions tested: 2, total time: 38m23.365402884s (build: 29m27.483661905s, test: 8m1.066740227s)
the crash still happens on HEAD
commit msg: Merge tag 'for-6.3/block-2023-02-16' of git://git.kernel.dk/linux
crash: WARNING in v9fs_fid_get_acl
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5535 at mm/page_alloc.c:5525 __alloc_pages+0x412/0x5b0 mm/page_alloc.c:5525
Modules linked in:
CPU: 1 PID: 5535 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:__alloc_pages+0x412/0x5b0 mm/page_alloc.c:5525
Code: ff ff 00 0f 84 c3 fd ff ff 80 ce 01 e9 bb fd ff ff 83 fe 0a 0f 86 ce fc ff ff 80 3d a1 97 9e 0b 00 75 09 c6 05 98 97 9e 0b 01 <0f> 0b 45 31 f6 e9 52 fe ff ff 65 ff 05 f5 fb 53 7e 48 c7 c0 00 d6
RSP: 0018:ffffc90004f4fac0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff920009e9f59 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000000
RBP: 0000000000040d40 R08: 0000000000000000 R09: ffffffff90232be7
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000014
R13: 0000000000000000 R14: 0000000000040d40 R15: ffff88801cb9ab00
FS:  00007fc3671fe700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005563e19d9048 CR3: 000000007a6c4000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x85/0x160 mm/slab_common.c:1113
 __do_kmalloc_node mm/slab_common.c:956 [inline]
 __kmalloc+0x91/0xd0 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 v9fs_fid_get_acl+0x46/0xb0 fs/9p/acl.c:32
 __v9fs_get_acl fs/9p/acl.c:66 [inline]
 v9fs_get_acl+0xe5/0x300 fs/9p/acl.c:93
 v9fs_mount+0x53c/0xa20 fs/9p/vfs_super.c:183
 legacy_get_tree+0xfe/0x1f0 fs/fs_context.c:610
 vfs_get_tree+0x83/0x2c0 fs/super.c:1501
 do_new_mount fs/namespace.c:3031 [inline]
 path_mount+0x810/0x1a10 fs/namespace.c:3361
 do_mount fs/namespace.c:3374 [inline]
 __do_sys_mount fs/namespace.c:3583 [inline]
 __se_sys_mount fs/namespace.c:3560 [inline]
 __x64_sys_mount+0x1f9/0x270 fs/namespace.c:3560
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc367e8c0a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc3671fe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc367fabf80 RCX: 00007fc367e8c0a9
RDX: 0000000020000140 RSI: 0000000020000340 RDI: 0000000000000000
RBP: 00007fc367ee7ae9 R08: 00000000200006c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0f9343df R14: 00007fc3671fe300 R15: 0000000000022000
 </TASK>