syzbot


panic: 2528 callbacks suppressed

Status: auto-closed as invalid on 2020/03/05 18:36
Reported-by: syzbot+b172ee91a9334dc51c4e@syzkaller.appspotmail.com
First crash: 1623d, last: 1623d

Sample crash report:
audit_panic: 2528 callbacks suppressed
audit: printk limit exceeded
audit: type=1400 audit(1573065316.735:86444): avc:  denied  { net_admin } for  pid=2077 comm="syz-executor.3" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.735:86445): avc:  denied  { net_admin } for  pid=2077 comm="syz-executor.3" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.745:86446): avc:  denied  { sys_admin } for  pid=26362 comm="syz-executor.0" capability=21  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.745:86447): avc:  denied  { sys_admin } for  pid=26362 comm="syz-executor.0" capability=21  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.745:86448): avc:  denied  { sys_admin } for  pid=2066 comm="syz-executor.5" capability=21  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.745:86449): avc:  denied  { sys_admin } for  pid=2066 comm="syz-executor.5" capability=21  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.755:86450): avc:  denied  { net_admin } for  pid=2077 comm="syz-executor.3" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.755:86451): avc:  denied  { net_admin } for  pid=2077 comm="syz-executor.3" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1573065316.755:86452): avc:  denied  { net_admin } for  pid=2077 comm="syz-executor.3" capability=12  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 26366 at mm/page_alloc.c:3556 __alloc_pages_slowpath mm/page_alloc.c:3556 [inline]
WARNING: CPU: 0 PID: 26366 at mm/page_alloc.c:3556 __alloc_pages_nodemask+0x13a0/0x1bd0 mm/page_alloc.c:3862
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 26366 Comm: syz-executor.0 Not tainted 4.9.141+ #1
 ffff88019b996ec0 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff
 ffffffff82a96600 0000000000000000 0000000000000009 ffff88019b996f80
 ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66
Call Trace:
 [<ffffffff81b42e79>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b42e79>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813f7125>] panic+0x1bf/0x39f kernel/panic.c:179
 [<ffffffff813f7362>] __warn.cold.8+0x2f/0x2f kernel/panic.c:542
 [<ffffffff810dc02c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff81429420>] __alloc_pages_slowpath mm/page_alloc.c:3556 [inline]
 [<ffffffff81429420>] __alloc_pages_nodemask+0x13a0/0x1bd0 mm/page_alloc.c:3862
 [<ffffffff8147936a>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<ffffffff8147936a>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<ffffffff8147936a>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<ffffffff8147936a>] kmalloc_order+0x2a/0x70 mm/slab_common.c:1043
 [<ffffffff814793cf>] kmalloc_order_trace+0x1f/0x190 mm/slab_common.c:1054
 [<ffffffff814ee36e>] kmalloc_large include/linux/slab.h:422 [inline]
 [<ffffffff814ee36e>] __kmalloc+0x1ae/0x310 mm/slub.c:3730
 [<ffffffff81a20c19>] kmalloc include/linux/slab.h:495 [inline]
 [<ffffffff81a20c19>] str_read+0x39/0x150 security/selinux/ss/policydb.c:1100
 [<ffffffff81a26317>] perm_read.isra.7+0x1b7/0x2b0 security/selinux/ss/policydb.c:1135
 [<ffffffff81a26754>] class_read+0x344/0x940 security/selinux/ss/policydb.c:1361
 [<ffffffff81a2b1ea>] policydb_read+0xdba/0x2390 security/selinux/ss/policydb.c:2367
 [<ffffffff81a3ba84>] security_load_policy+0x264/0x9b0 security/selinux/ss/services.c:2067
 [<ffffffff81a1233b>] sel_write_load+0x19b/0xfa0 security/selinux/selinuxfs.c:522
 [<ffffffff81508085>] __vfs_write+0x115/0x580 fs/read_write.c:507
 [<ffffffff8150ab97>] vfs_write+0x187/0x520 fs/read_write.c:557
 [<ffffffff8150e9c9>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff8150e9c9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82817893>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/11/06 18:35 https://android.googlesource.com/kernel/common android-4.9 8fe428403e30 da505f84 .config console log report ci-android-49-kasan-gce
* Struck through repros no longer work on HEAD.