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BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range (5)

Status: closed as invalid on 2018/02/20 14:58
First crash: 2466d, last: 2466d
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range 17 2417d 2455d 0/2 auto-closed as invalid on 2019/02/22 13:09
android-49 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range (6) 33 2420d 2464d 0/3 auto-closed as invalid on 2019/02/22 13:39
android-49 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range 3 2474d 2475d 0/3 closed as invalid on 2018/02/12 10:58
android-49 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range (2) 1 2472d 2472d 0/3 closed as invalid on 2018/02/14 08:58
android-49 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range (4) 1 2469d 2469d 0/3 closed as invalid on 2018/02/17 08:58
android-49 BUG: using __this_cpu_read() in preemptible code in __vmalloc_node_range (3) 1 2471d 2471d 0/3 closed as invalid on 2018/02/15 07:58

Sample crash report:
syz-executor6: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 6447 Comm: syz-executor6 Not tainted 4.9.82-gcdfc8df #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/6461
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 ffff8801d84978a8 ffffffff81d94fc9 1ffff1003b092f18 ffff8801d74d1800
 ffffffff83ab9320 0000000000000001 0000000000400000 ffff8801d84979b8
 ffffffff81451e22 024000c2d84978f8 0000000041b58ab3 ffffffff841958e5
Call Trace:
 [<ffffffff81d94fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81451e22>] warn_alloc+0x212/0x240 mm/page_alloc.c:3056
 [<ffffffff814ffdf5>] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722
 [<ffffffff815000bb>] __vmalloc_node mm/vmalloc.c:1744 [inline]
 [<ffffffff815000bb>] __vmalloc_node_flags mm/vmalloc.c:1758 [inline]
 [<ffffffff815000bb>] vmalloc+0x5b/0x70 mm/vmalloc.c:1773
 [<ffffffff81bff890>] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514
 [<ffffffff8156e663>] __vfs_write+0x103/0x680 fs/read_write.c:510
 [<ffffffff81570349>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff815741bf>] SYSC_pwrite64 fs/read_write.c:649 [inline]
 [<ffffffff815741bf>] SyS_pwrite64+0x13f/0x170 fs/read_write.c:636
 [<ffffffff8111d009>] sys32_pwrite+0x39/0x50 arch/x86/ia32/sys_ia32.c:186
 [<ffffffff81006f97>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f97>] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b6574>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
CPU: 1 PID: 6461 Comm: syz-executor2 Not tainted 4.9.82-gcdfc8df #45
Mem-Info:
active_anon:57697 inactive_anon:44 isolated_anon:0
 active_file:3484 inactive_file:8329 isolated_file:0
 unevictable:0 dirty:132 writeback:0 unstable:0
 slab_reclaimable:5747 slab_unreclaimable:59442
 mapped:23847 shmem:51 pagetables:678 bounce:0
 free:1471091 free_pcp:279 free_cma:0
Node 0 active_anon:230788kB inactive_anon:176kB active_file:13936kB inactive_file:33316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95388kB dirty:528kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32 free:2980076kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:644kB local_pcp:644kB free_cma:0kB
Normal free:2888256kB min:36824kB low:46028kB high:55232kB active_anon:230788kB inactive_anon:176kB active_file:13936kB inactive_file:33316kB unevictable:0kB writepending:528kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22988kB slab_unreclaimable:237768kB kernel_stack:6080kB pagetables:2712kB bounce:0kB free_pcp:592kB local_pcp:444kB free_cma:0kB
DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
11863 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
320509 pages reserved
syz-executor6: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d744f668 ffffffff81d94fc9 0000000000000001 ffffffff83c18e00
 ffffffff83f45ba0 ffff8801d830e000 0000000000000003 ffff8801d744f6a8
 ffffffff81dfc5c4 ffff8801d744f6c0 ffffffff83f45ba0 dffffc0000000000
Call Trace:
 [<ffffffff81d94fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc5c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc62c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe308>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe308>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8336a710>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dc9e7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd14a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577599>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577599>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f08b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff835708e9>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdf13a>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdf13a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006f97>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f97>] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b6574>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
CPU: 0 PID: 6462 Comm: syz-executor6 Not tainted 4.9.82-gcdfc8df #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cd63f8a8 ffffffff81d94fc9 1ffff10039ac7f18 ffff8801d76a9800
 ffffffff83ab9320 0000000000000001 0000000000400000 ffff8801cd63f9b8
 ffffffff81451e22 024000c2cd63f8f8 0000000041b58ab3 ffffffff841958e5
Call Trace:
 [<ffffffff81d94fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81451e22>] warn_alloc+0x212/0x240 mm/page_alloc.c:3056
 [<ffffffff814ffdf5>] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722
 [<ffffffff815000bb>] __vmalloc_node mm/vmalloc.c:1744 [inline]
 [<ffffffff815000bb>] __vmalloc_node_flags mm/vmalloc.c:1758 [inline]
 [<ffffffff815000bb>] vmalloc+0x5b/0x70 mm/vmalloc.c:1773
 [<ffffffff81bff890>] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514
 [<ffffffff8156e663>] __vfs_write+0x103/0x680 fs/read_write.c:510
 [<ffffffff81570349>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff815741bf>] SYSC_pwrite64 fs/read_write.c:649 [inline]
 [<ffffffff815741bf>] SyS_pwrite64+0x13f/0x170 fs/read_write.c:636
 [<ffffffff8111d009>] sys32_pwrite+0x39/0x50 arch/x86/ia32/sys_ia32.c:186
 [<ffffffff81006f97>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f97>] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b6574>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
Mem-Info:
active_anon:45756 inactive_anon:43 isolated_anon:0
 active_file:3484 inactive_file:8329 isolated_file:0
 unevictable:0 dirty:141 writeback:0 unstable:0
 slab_reclaimable:5763 slab_unreclaimable:59529
 mapped:23767 shmem:50 pagetables:609 bounce:0
 free:1483140 free_pcp:399 free_cma:0
Node 0 active_anon:183024kB inactive_anon:172kB active_file:13936kB inactive_file:33316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95068kB dirty:580kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 94208kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2908 6410 6410
DMA32 free:2980076kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:644kB local_pcp:644kB free_cma:0kB
lowmem_reserve[]: 0 0 3501 3501
Normal free:2936568kB min:36824kB low:46028kB high:55232kB active_anon:183016kB inactive_anon:172kB active_file:13936kB inactive_file:33328kB unevictable:0kB writepending:592kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:23084kB slab_unreclaimable:238204kB kernel_stack:5376kB pagetables:2364kB bounce:0kB free_pcp:936kB local_pcp:584kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
DMA32: 3*4kB (M) 4*8kB (M) 2*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2980076kB
Normal: 792*4kB (UME) 543*8kB (UM) 248*16kB (UM) 49*32kB (UM) 18*64kB (UM) 23*128kB (UME) 4*256kB (ME) 2*512kB (E) 35*1024kB (UME) 7*2048kB (UME) 700*4096kB (M) = 2936568kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
11876 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
320509 pages reserved
audit: type=1400 audit(1519137274.482:24): avc:  denied  { bind } for  pid=6476 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
syz-executor6: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 6483 Comm: syz-executor6 Not tainted 4.9.82-gcdfc8df #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d760f8a8 ffffffff81d94fc9 1ffff1003aec1f18 ffff8801d991b000
 ffffffff83ab9320 0000000000000001 0000000000400000 ffff8801d760f9b8
 ffffffff81451e22 024000c2d760f8f8 0000000041b58ab3 ffffffff841958e5
Call Trace:
 [<ffffffff81d94fc9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94fc9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81451e22>] warn_alloc+0x212/0x240 mm/page_alloc.c:3056
 [<ffffffff814ffdf5>] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722
 [<ffffffff815000bb>] __vmalloc_node mm/vmalloc.c:1744 [inline]
 [<ffffffff815000bb>] __vmalloc_node_flags mm/vmalloc.c:1758 [inline]
 [<ffffffff815000bb>] vmalloc+0x5b/0x70 mm/vmalloc.c:1773
 [<ffffffff81bff890>] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514
 [<ffffffff8156e663>] __vfs_write+0x103/0x680 fs/read_write.c:510
 [<ffffffff81570349>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff815741bf>] SYSC_pwrite64 fs/read_write.c:649 [inline]
 [<ffffffff815741bf>] SyS_pwrite64+0x13f/0x170 fs/read_write.c:636
 [<ffffffff8111d009>] sys32_pwrite+0x39/0x50 arch/x86/ia32/sys_ia32.c:186
 [<ffffffff81006f97>] do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline]
 [<ffffffff81006f97>] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387
 [<ffffffff838b6574>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
Mem-Info:
active_anon:49952 inactive_anon:43 isolated_anon:0
 active_file:3484 inactive_file:8332 isolated_file:0
 unevictable:0 dirty:149 writeback:0 unstable:0
 slab_reclaimable:5771 slab_unreclaimable:59420
 mapped:23784 shmem:50 pagetables:690 bounce:0
 free:1478487 free_pcp:245 free_cma:0
Node 0 active_anon:199808kB inactive_anon:172kB active_file:13936kB inactive_file:33328kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95136kB dirty:596kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 57344kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32 free:2980076kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:644kB local_pcp:644kB free_cma:0kB
Normal free:2917964kB min:36824kB low:46028kB high:55232kB active_anon:199808kB inactive_anon:172kB active_file:13936kB inactive_file:33328kB unevictable:0kB writepending:596kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:23084kB slab_unreclaimable:237680kB kernel_stack:5824kB pagetables:2760kB bounce:0kB free_pcp:336kB local_pcp:276kB free_cma:0kB
DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
11877 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
320509 pages reserved
IPv4: Oversized IP packet from 127.0.0.1
binder: 6535:6549 ioctl c0306201 20008000 returned -14
audit: type=1400 audit(1519137275.052:25): avc:  denied  { create } for  pid=6548 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1
binder: BINDER_SET_CONTEXT_MGR already set
audit: type=1400 audit(1519137275.092:26): avc:  denied  { getopt } for  pid=6548 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1
audit: type=1400 audit(1519137275.102:27): avc:  denied  { read } for  pid=6548 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1
IPv4: Oversized IP packet from 127.0.0.1
binder: 6569:6572 ioctl 40046207 0 returned -16
mmap: syz-executor7 (6593) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
sock: process `syz-executor5' is using obsolete setsockopt SO_BSDCOMPAT
audit: type=1400 audit(1519137275.312:28): avc:  denied  { call } for  pid=6643 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1
binder_alloc: 6643: binder_alloc_buf, no vma
binder: 6643:6646 transaction failed 29189/-3, size 56-8 line 3127
binder: BINDER_SET_CONTEXT_MGR already set
binder: 6643:6663 ioctl 40046207 0 returned -16
binder_alloc: 6643: binder_alloc_buf, no vma
binder: 6643:6664 transaction failed 29189/-3, size 56-8 line 3127
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29189
audit: type=1400 audit(1519137275.452:29): avc:  denied  { create } for  pid=6676 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_iscsi_socket permissive=1
keychord: Insufficient bytes present for header 5
keychord: Insufficient bytes present for header 5
mmap: syz-executor3 (6941): VmData 18362368 exceed data ulimit 0. Update limits or use boot option ignore_rlimit_data.
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
PF_BRIDGE: RTM_NEWNEIGH with invalid address
PF_BRIDGE: RTM_NEWNEIGH with invalid address
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'.
audit: type=1400 audit(1519137277.342:30): avc:  denied  { getopt } for  pid=7155 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(1519137277.382:31): avc:  denied  { ioctl } for  pid=7155 comm="syz-executor7" path="socket:[17716]" dev="sockfs" ino=17716 ioctlcmd=0x5402 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(1519137277.412:32): avc:  denied  { write } for  pid=7155 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7287 comm=syz-executor3
binder: 7314:7317 got transaction to invalid handle
binder: 7314:7317 transaction failed 29201/-22, size 0-0 line 3004
device gre0 entered promiscuous mode
binder: 7314:7317 got transaction to invalid handle
binder: 7314:7317 transaction failed 29201/-22, size 0-0 line 3004
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_ERROR: 29201
device gre0 entered promiscuous mode
TCP: request_sock_TCPv6: Possible SYN flooding on port 20026. Sending cookies.  Check SNMP counters.
audit: type=1400 audit(1519137279.582:33): avc:  denied  { fsetid } for  pid=7831 comm="syz-executor4" capability=4  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(1519137279.612:34): avc:  denied  { dac_read_search } for  pid=7831 comm="syz-executor4" capability=2  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(1519137279.852:35): avc:  denied  { shutdown } for  pid=7950 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
audit: type=1400 audit(1519137279.992:36): avc:  denied  { setattr } for  pid=7994 comm="syz-executor5" name="task" dev="proc" ino=19333 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1
netlink: 7 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 7 bytes leftover after parsing attributes in process `syz-executor1'.
device gre0 entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=22661 sclass=netlink_route_socket pig=8265 comm=syz-executor5
audit: type=1400 audit(1519137281.022:37): avc:  denied  { create } for  pid=8353 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1
device gre0 entered promiscuous mode
audit: type=1400 audit(1519137281.092:38): avc:  denied  { dyntransition } for  pid=8375 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=process permissive=1
TCP: request_sock_TCPv6: Possible SYN flooding on port 20014. Sending cookies.  Check SNMP counters.
SELinux:  unknown mount option
SELinux:  unknown mount option
netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'.
audit: type=1400 audit(1519137281.892:39): avc:  denied  { connect } for  pid=8609 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies.  Check SNMP counters.
binder: 8702:8705 BC_CLEAR_DEATH_NOTIFICATION death notification not active
binder: BINDER_SET_CONTEXT_MGR already set
binder: 8702:8705 ioctl 40046207 0 returned -16
binder: 8702:8705 BC_CLEAR_DEATH_NOTIFICATION death notification not active
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=46901 sclass=netlink_route_socket pig=8814 comm=syz-executor0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=46901 sclass=netlink_route_socket pig=8822 comm=syz-executor0

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/02/20 14:34 https://android.googlesource.com/kernel/common android-4.9 cdfc8df1d262 5abac192 .config console log report ci-android-49-kasan-gce-386
* Struck through repros no longer work on HEAD.