Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM ====================================================== [ INFO: possible circular locking dependency detected ] 4.9.205-syzkaller #0 Not tainted ------------------------------------------------------- syz-executor.5/29666 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){+.+.+.}, at: [<00000000be9674bb>] inode_lock include/linux/fs.h:771 [inline] (&sb->s_type->i_mutex_key#10){+.+.+.}, at: [<00000000be9674bb>] shmem_fallocate+0x143/0xab0 mm/shmem.c:2683 but task is already holding lock: (ashmem_mutex){+.+.+.}, at: [<00000000ecf2e4a0>] ashmem_shrink_scan+0x56/0x4c0 drivers/staging/android/ashmem.c:455 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (ashmem_mutex){+.+.+.}: lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3759 __mutex_lock_common kernel/locking/mutex.c:521 [inline] mutex_lock_nested+0xc7/0x920 kernel/locking/mutex.c:621 ashmem_mmap+0x53/0x470 drivers/staging/android/ashmem.c:378 mmap_region+0x7e7/0xfa0 mm/mmap.c:1726 do_mmap+0x539/0xbc0 mm/mmap.c:1505 do_mmap_pgoff include/linux/mm.h:2066 [inline] vm_mmap_pgoff+0x179/0x1c0 mm/util.c:329 SYSC_mmap_pgoff mm/mmap.c:1555 [inline] SyS_mmap_pgoff+0xfa/0x1b0 mm/mmap.c:1513 SYSC_mmap arch/x86/kernel/sys_x86_64.c:96 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:87 do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 entry_SYSCALL_64_after_swapgs+0x5d/0xdb -> #1 (&mm->mmap_sem){++++++}: lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3759 down_read+0x44/0xb0 kernel/locking/rwsem.c:22 __do_page_fault+0x7bd/0xa60 arch/x86/mm/fault.c:1337 do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 generic_perform_write+0x1b6/0x500 mm/filemap.c:2930 __generic_file_write_iter+0x340/0x530 mm/filemap.c:3065 generic_file_write_iter+0x38a/0x630 mm/filemap.c:3093 new_sync_write fs/read_write.c:498 [inline] __vfs_write+0x3c1/0x560 fs/read_write.c:511 vfs_write+0x185/0x520 fs/read_write.c:559 SYSC_write fs/read_write.c:607 [inline] SyS_write+0x121/0x270 fs/read_write.c:599 do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 entry_SYSCALL_64_after_swapgs+0x5d/0xdb -> #0 (&sb->s_type->i_mutex_key#10){+.+.+.}: check_prev_add kernel/locking/lockdep.c:1828 [inline] check_prevs_add kernel/locking/lockdep.c:1938 [inline] validate_chain kernel/locking/lockdep.c:2265 [inline] __lock_acquire+0x2d22/0x4390 kernel/locking/lockdep.c:3345 lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3759 down_write+0x41/0xa0 kernel/locking/rwsem.c:52 inode_lock include/linux/fs.h:771 [inline] shmem_fallocate+0x143/0xab0 mm/shmem.c:2683 ashmem_shrink_scan drivers/staging/android/ashmem.c:462 [inline] ashmem_shrink_scan+0x1c3/0x4c0 drivers/staging/android/ashmem.c:446 ashmem_ioctl+0x29b/0xdd0 drivers/staging/android/ashmem.c:804 vfs_ioctl fs/ioctl.c:43 [inline] file_ioctl fs/ioctl.c:493 [inline] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 entry_SYSCALL_64_after_swapgs+0x5d/0xdb other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#10 --> &mm->mmap_sem --> ashmem_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 1 lock held by syz-executor.5/29666: #0: (ashmem_mutex){+.+.+.}, at: [<00000000ecf2e4a0>] ashmem_shrink_scan+0x56/0x4c0 drivers/staging/android/ashmem.c:455 stack backtrace: CPU: 1 PID: 29666 Comm: syz-executor.5 Not tainted 4.9.205-syzkaller #0 ffff8801a131f6b8 ffffffff81b55e6b ffffffff83cb8000 ffffffff83ce9920 ffffffff83caeb80 ffffffff8424ff40 ffff8801cfe9df00 ffff8801a131f710 ffffffff81406e9a ffff8801cfe9e7f0 ffffffff84085540 ffff8801cfe9e7d8 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<00000000e678c926>] print_circular_bug.cold+0x2f6/0x454 kernel/locking/lockdep.c:1202 [<000000005317c0ed>] check_prev_add kernel/locking/lockdep.c:1828 [inline] [<000000005317c0ed>] check_prevs_add kernel/locking/lockdep.c:1938 [inline] [<000000005317c0ed>] validate_chain kernel/locking/lockdep.c:2265 [inline] [<000000005317c0ed>] __lock_acquire+0x2d22/0x4390 kernel/locking/lockdep.c:3345 [<000000004e58cf1b>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3759 [<0000000004bc6da4>] down_write+0x41/0xa0 kernel/locking/rwsem.c:52 [<00000000be9674bb>] inode_lock include/linux/fs.h:771 [inline] [<00000000be9674bb>] shmem_fallocate+0x143/0xab0 mm/shmem.c:2683 [<0000000038ba7b1c>] ashmem_shrink_scan drivers/staging/android/ashmem.c:462 [inline] [<0000000038ba7b1c>] ashmem_shrink_scan+0x1c3/0x4c0 drivers/staging/android/ashmem.c:446 [<00000000c47e227c>] ashmem_ioctl+0x29b/0xdd0 drivers/staging/android/ashmem.c:804 [<000000009c87c505>] vfs_ioctl fs/ioctl.c:43 [inline] [<000000009c87c505>] file_ioctl fs/ioctl.c:493 [inline] [<000000009c87c505>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 [<00000000ddcd328f>] SYSC_ioctl fs/ioctl.c:694 [inline] [<00000000ddcd328f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb audit_printk_skb: 42 callbacks suppressed audit: type=1400 audit(2000001571.480:15753): avc: denied { mac_admin } for pid=29689 comm="syz-executor.5" capability=33 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 SELinux: Context 000755a4 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f57 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). audit: type=1400 audit(2000001571.480:15754): avc: denied { create } for pid=29660 comm="syz-executor.4" 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(2000001571.480:15755): avc: denied { write } for pid=29660 comm="syz-executor.4" 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(2000001571.480:15756): avc: denied { write } for pid=29660 comm="syz-executor.4" 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(2000001571.490:15757): avc: denied { write } for pid=29660 comm="syz-executor.4" 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(2000001571.490:15758): avc: denied { create } for pid=29660 comm="syz-executor.4" 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 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1400 audit(2000001571.500:15759): avc: denied { write } for pid=29660 comm="syz-executor.4" 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(2000001571.500:15760): avc: denied { ioctl } for pid=29660 comm="syz-executor.4" path="socket:[129190]" dev="sockfs" ino=129190 ioctlcmd=0x660f 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(2000001571.510:15761): avc: denied { create } for pid=29687 comm="syz-executor.2" 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(2000001571.510:15762): avc: denied { write } for pid=29687 comm="syz-executor.2" 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 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29658 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff8801c673f968 ffffffff81b55e6b 1ffff10038ce7f2f ffff8801a1564740 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801c673fa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:103829 inactive_anon:13631 isolated_anon:0 active_file:18691 inactive_file:17125 isolated_file:0 unevictable:9569 dirty:108 writeback:0 unstable:0 slab_reclaimable:5269 slab_unreclaimable:61893 mapped:66954 shmem:7017 pagetables:1892 bounce:0 free:1355102 free_pcp:311 free_cma:0 Node 0 active_anon:416016kB inactive_anon:54524kB active_file:74764kB inactive_file:68500kB unevictable:38276kB isolated(anon):0kB isolated(file):0kB mapped:267816kB dirty:432kB writeback:0kB shmem:28068kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2398684kB min:5580kB low:9168kB high:12756kB active_anon:417416kB inactive_anon:54524kB active_file:74764kB inactive_file:68500kB unevictable:38276kB writepending:432kB present:4718592kB managed:3589320kB mlocked:38276kB slab_reclaimable:21076kB slab_unreclaimable:247572kB kernel_stack:6688kB pagetables:7568kB bounce:0kB free_pcp:548kB local_pcp:212kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 86*4kB (UE) 19*8kB (E) 76*16kB (UE) 548*32kB (UME) 866*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2395184kB 47676 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29664 Comm: syz-executor.1 Not tainted 4.9.205-syzkaller #0 ffff8801a2ff7968 ffffffff81b55e6b 1ffff100345fef2f ffff8801a0fac740 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a2ff7a90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105453 inactive_anon:13632 isolated_anon:0 active_file:18691 inactive_file:17138 isolated_file:0 unevictable:9569 dirty:112 writeback:0 unstable:0 slab_reclaimable:5270 slab_unreclaimable:62028 mapped:66952 shmem:7016 pagetables:1866 bounce:0 free:1353276 free_pcp:403 free_cma:0 Node 0 active_anon:421812kB inactive_anon:54528kB active_file:74764kB inactive_file:68552kB unevictable:38276kB isolated(anon):0kB isolated(file):0kB mapped:267808kB dirty:448kB writeback:0kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2393404kB min:5580kB low:9168kB high:12756kB active_anon:421952kB inactive_anon:54528kB active_file:74764kB inactive_file:68576kB unevictable:38276kB writepending:472kB present:4718592kB managed:3589320kB mlocked:38276kB slab_reclaimable:21080kB slab_unreclaimable:248096kB kernel_stack:6752kB pagetables:7568kB bounce:0kB free_pcp:892kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 54*4kB (UME) 21*8kB (UME) 80*16kB (UME) 496*32kB (UME) 866*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2393472kB 47695 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29702 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff88019f08f968 ffffffff81b55e6b 1ffff10033e11f2f ffff8801d9fc5f00 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff88019f08fa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 SELinux: Context 000755ac 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f5a 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105441 inactive_anon:13647 isolated_anon:0 active_file:23560 inactive_file:17187 isolated_file:0 unevictable:15 dirty:121 writeback:2 unstable:0 slab_reclaimable:5270 slab_unreclaimable:62093 mapped:62529 shmem:7015 pagetables:1849 bounce:0 free:1357973 free_pcp:421 free_cma:0 Node 0 active_anon:421724kB inactive_anon:54528kB active_file:94292kB inactive_file:68836kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:512kB writeback:0kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2413644kB min:5580kB low:9168kB high:12756kB active_anon:421780kB inactive_anon:54528kB active_file:94292kB inactive_file:68636kB unevictable:0kB writepending:520kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21080kB slab_unreclaimable:247368kB kernel_stack:6720kB pagetables:7380kB bounce:0kB free_pcp:980kB local_pcp:364kB free_cma:0kB SELinux: Context 000755b0 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f5c 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) [ 2268.826266] SELinux: Context 000755b0 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f5f 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). 735*4096kB (M) = 3019420kB Normal: 46*4kB (ME) 61*8kB (UME) 1204*16kB (ME) 518*32kB (UME) 868*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412576kB 47783 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29716 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff8801a8637968 ffffffff81b55e6b 1ffff100350c6f2f ffff8801d12cc740 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a8637a90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105545 inactive_anon:13631 isolated_anon:0 active_file:23573 inactive_file:17391 isolated_file:0 unevictable:0 dirty:152 writeback:0 unstable:0 slab_reclaimable:5271 slab_unreclaimable:61821 mapped:62507 shmem:7016 pagetables:1916 bounce:0 free:1357673 free_pcp:361 free_cma:0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. Node 0 active_anon:422036kB inactive_anon:54528kB active_file:94292kB inactive_file:69432kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:664kB writeback:0kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2411608kB min:5580kB low:9168kB high:12756kB active_anon:422036kB inactive_anon:54524kB active_file:94292kB inactive_file:68888kB unevictable:0kB writepending:672kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21132kB slab_unreclaimable:247348kB kernel_stack:6880kB pagetables:7468kB bounce:0kB free_pcp:1416kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 48*4kB (UME) 26*8kB (UME) 1176*16kB (ME) 502*32kB (UME) 868*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB [ 2269.634320] SELinux: Context 000755b1 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f62 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). (UM) = 2411344kB 47765 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 SELinux: Context 000755b3 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f62 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29715 Comm: syz-executor.1 Not tainted 4.9.205-syzkaller #0 ffff8801d2d47968 ffffffff81b55e6b 1ffff1003a5a8f2f ffff8801d4584740 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801d2d47a90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105498 inactive_anon:13633 isolated_anon:0 active_file:23573 inactive_file:17289 isolated_file:0 unevictable:0 dirty:183 writeback:7 unstable:0 slab_reclaimable:5287 slab_unreclaimable:61883 mapped:62507 shmem:7016 pagetables:1829 bounce:0 free:1357899 free_pcp:430 free_cma:0 Node 0 active_anon:421992kB inactive_anon:54532kB active_file:94292kB inactive_file:69156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:732kB writeback:32kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB SELinux: Context 000755b6 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f67 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). lowmem_reserve[]: 0 3505 3505 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. Normal free:2412104kB min:5580kB low:9168kB high:12756kB active_anon:422444kB inactive_anon:54512kB active_file:94292kB inactive_file:68656kB unevictable:0kB writepending:716kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21180kB slab_unreclaimable:246956kB kernel_stack:6944kB pagetables:7664kB bounce:0kB free_pcp:924kB local_pcp:308kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 73*4kB (UME) 41*8kB (UME) 1179*16kB (UME) 519*32kB (UME) 869*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412220kB 47725 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM SELinux: Context 000755b9 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f73 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.5: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29752 Comm: syz-executor.5 Not tainted 4.9.205-syzkaller #0 ffff8801a067f968 ffffffff81b55e6b 1ffff100340cff2f ffff8801a061af80 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a067fa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. Mem-Info: active_anon:105581 inactive_anon:13633 isolated_anon:0 active_file:23573 inactive_file:17182 isolated_file:0 unevictable:0 dirty:112 writeback:81 unstable:0 slab_reclaimable:5329 slab_unreclaimable:61633 mapped:62507 shmem:7016 pagetables:1887 bounce:0 free:1357973 free_pcp:440 free_cma:0 Node 0 active_anon:422324kB inactive_anon:54532kB active_file:94292kB inactive_file:68728kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:448kB writeback:324kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2413540kB min:5580kB low:9168kB high:12756kB active_anon:422284kB inactive_anon:54528kB active_file:94292kB inactive_file:68676kB unevictable:0kB writepending:464kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21316kB slab_unreclaimable:245788kB kernel_stack:6784kB pagetables:7700kB bounce:0kB free_pcp:648kB local_pcp:260kB free_cma:0kB audit_printk_skb: 420 callbacks suppressed audit: type=1400 audit(2000001576.500:15903): avc: denied { mac_admin } for pid=29772 comm="syz-executor.0" capability=33 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 SELinux: Context 000755bd 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f76 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). audit: type=1400 audit(2000001576.580:15904): avc: denied { mac_admin } for pid=29776 comm="syz-executor.4" capability=33 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 SELinux: Context 000755bd 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f78 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 94*4kB (ME) 40*8kB (UME) 1177*16kB (ME) 555*32kB (UME) 870*64kB (UME) 389*128kB (UME) 136*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2413480kB 47713 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: [ 2271.913126] audit: type=1400 audit(2000001576.900:15905): avc: denied { mac_admin } for pid=29783 comm="syz-executor.0" capability=33 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 SELinux: Context 000755be 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f78 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). vmalloc: allocation failure: 0 bytes , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29754 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff88019d3df968 ffffffff81b55e6b 1ffff10033a7bf2f ffff8801a4bf4740 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff88019d3dfa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105578 inactive_anon:13631 isolated_anon:0 active_file:23573 inactive_file:17239 isolated_file:0 unevictable:0 dirty:150 writeback:0 unstable:0 slab_reclaimable:5365 slab_unreclaimable:61404 mapped:62522 shmem:7016 pagetables:1892 bounce:0 free:1358144 free_pcp:467 free_cma:0 Node 0 active_anon:422368kB inactive_anon:54524kB active_file:94292kB inactive_file:68956kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250088kB dirty:600kB writeback:4kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2412996kB min:5580kB low:9168kB high:12756kB active_anon:422240kB inactive_anon:54524kB active_file:94292kB inactive_file:68760kB unevictable:0kB writepending:628kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21460kB slab_unreclaimable:245816kB kernel_stack:6720kB pagetables:7500kB bounce:0kB free_pcp:1184kB local_pcp:664kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 49*4kB (ME) 12*8kB (UE) 1175*16kB (ME) 549*32kB (UME) 869*64kB (UME) 388*128kB (UME) 137*256kB (UME) [ 2272.518830] audit: type=1400 audit(2000001577.510:15906): avc: denied { mac_admin } for pid=29792 comm="syz-executor.0" capability=33 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 SELinux: Context 000755c0 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f7f 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412916kB 47734 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29775 Comm: syz-executor.1 Not tainted 4.9.205-syzkaller #0 ffff8801d24bf968 ffffffff81b55e6b 1ffff1003a497f2f ffff8801aa3217c0 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801d24bfa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105736 inactive_anon:13633 isolated_anon:0 active_file:23573 inactive_file:17195 isolated_file:0 unevictable:0 dirty:157 writeback:11 unstable:0 slab_reclaimable:5371 slab_unreclaimable:61381 mapped:62507 shmem:7016 pagetables:1896 bounce:0 free:1358094 free_pcp:401 free_cma:0 Node 0 active_anon:422924kB inactive_anon:54532kB active_file:94292kB inactive_file:68780kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:628kB writeback:44kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB audit: type=1400 audit(2000001577.910:15907): avc: denied { create } for pid=29796 comm="syz-executor.2" 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(2000001577.910:15908): avc: denied { write } for pid=29796 comm="syz-executor.2" 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 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1400 audit(2000001577.940:15909): avc: denied { write } for pid=29796 comm="syz-executor.2" 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(2000001577.940:15910): avc: denied { setopt } for pid=29796 comm="syz-executor.2" 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 lowmem_reserve[]: 0 3505 3505 Normal free:2412920kB min:5580kB low:9168kB high:12756kB active_anon:422992kB inactive_anon:54532kB active_file:94292kB inactive_file:68780kB unevictable:0kB writepending:684kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21524kB slab_unreclaimable:245376kB kernel_stack:6784kB pagetables:7544kB bounce:0kB free_pcp:908kB local_pcp:616kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB [ 2273.186035] audit: type=1400 audit(2000001578.180:15911): avc: denied { create } for pid=29802 comm="syz-executor.3" 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(2000001578.180:15912): avc: denied { write } for pid=29802 comm="syz-executor.3" 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 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. SELinux: Context 000755c3 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f83 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 54*4kB (UME) 10*8kB (UE) 1132*16kB (ME) 562*32kB (UME) 869*64kB (UME) 388*128kB (UME) 138*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412904kB 47730 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.5: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29791 Comm: syz-executor.5 Not tainted 4.9.205-syzkaller #0 ffff88019210f968 ffffffff81b55e6b 1ffff10032421f2f ffff8801d6fa0000 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff88019210fa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb SELinux: Context 000755c8 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f87 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). Mem-Info: active_anon:105957 inactive_anon:13629 isolated_anon:0 active_file:23573 inactive_file:17186 isolated_file:0 unevictable:0 dirty:158 writeback:0 unstable:0 slab_reclaimable:5392 slab_unreclaimable:61444 mapped:62532 shmem:7016 pagetables:1862 bounce:0 free:1357860 free_pcp:357 free_cma:0 Node 0 active_anon:423728kB inactive_anon:54516kB active_file:94292kB inactive_file:68744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250128kB dirty:632kB writeback:0kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2411968kB min:5580kB low:9168kB high:12756kB active_anon:423688kB inactive_anon:54524kB active_file:94292kB inactive_file:68764kB unevictable:0kB writepending:680kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21628kB slab_unreclaimable:245812kB kernel_stack:6720kB pagetables:7476kB bounce:0kB free_pcp:860kB local_pcp:324kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 36*4kB (ME) 5*8kB (UME) 1108*16kB (UME) 538*32kB (UME) 868*64kB (UME) 389*128kB (UME) 138*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2411704kB 47736 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 29804 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff8801a80d7968 ffffffff81b55e6b 1ffff1003501af2f ffff8801c51b17c0 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a80d7a90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105884 inactive_anon:13632 isolated_anon:0 active_file:23573 inactive_file:17194 isolated_file:0 unevictable:0 dirty:158 writeback:5 unstable:0 slab_reclaimable:5420 slab_unreclaimable:61472 mapped:62507 shmem:7016 pagetables:1854 bounce:0 free:1357922 free_pcp:358 free_cma:0 Node 0 active_anon:423556kB inactive_anon:54528kB active_file:94292kB inactive_file:68776kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:632kB writeback:24kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2412152kB min:5580kB low:9168kB high:12756kB active_anon:423524kB inactive_anon:54528kB active_file:94292kB inactive_file:68776kB unevictable:0kB writepending:660kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21680kB slab_unreclaimable:245920kB kernel_stack:6656kB pagetables:7324kB bounce:0kB free_pcp:1024kB local_pcp:512kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 59*4kB (UME) 5*8kB (UME) 1114*16kB (UME) 543*32kB (UME) 868*64kB (UME) 389*128kB (UME) 138*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412052kB 47738 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29817 Comm: syz-executor.3 Not tainted 4.9.205-syzkaller #0 ffff8801a85d7968 ffffffff81b55e6b 1ffff100350baf2f ffff8801d13e8000 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a85d7a90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105931 inactive_anon:13634 isolated_anon:0 active_file:23573 inactive_file:17197 isolated_file:0 unevictable:0 dirty:158 writeback:6 unstable:0 slab_reclaimable:5428 slab_unreclaimable:61391 mapped:62524 shmem:7016 pagetables:1870 bounce:0 free:1357910 free_pcp:394 free_cma:0 Node 0 active_anon:423724kB inactive_anon:54536kB active_file:94292kB inactive_file:68788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250096kB dirty:632kB writeback:24kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:2412164kB min:5580kB low:9168kB high:12756kB active_anon:423724kB inactive_anon:54536kB active_file:94292kB inactive_file:68792kB unevictable:0kB writepending:672kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21712kB slab_unreclaimable:245628kB kernel_stack:6656kB pagetables:7480kB bounce:0kB free_pcp:888kB local_pcp:392kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 3*4kB (UM) 2*8kB (M) 2*16kB (M) 3*32kB (UM) 4*64kB (UM) 4*128kB (UM) 3*256kB (UM) 2*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 735*4096kB (M) = 3019420kB Normal: 14*4kB (ME) 1*8kB (U) 1107*16kB (ME) 553*32kB (UME) 868*64kB (UME) 389*128kB (UME) 138*256kB (UME) 43*512kB (UME) 14*1024kB (UM) 8*2048kB (UME) 533*4096kB (UM) = 2412048kB 47745 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor.1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 29820 Comm: syz-executor.1 Not tainted 4.9.205-syzkaller #0 ffff8801a7d6f968 ffffffff81b55e6b 1ffff10034fadf2f ffff88019fa6df00 ffffffff82aab3e0 0000000000000001 0000000000400000 ffff8801a7d6fa90 ffffffff81507f6c 0000000041b58ab3 ffffffff82e3a438 ffffffff81431e20 Call Trace: [<00000000d1181927>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000d1181927>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000008717be05>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000065baf839>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<0000000053b23749>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000053b23749>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000053b23749>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000fa383df5>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000008f546914>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000dde5aeea>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000369dd4be>] SYSC_write fs/read_write.c:607 [inline] [<00000000369dd4be>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000041576fdc>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ad6a8374>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:105882 inactive_anon:13632 isolated_anon:0 active_file:23573 inactive_file:17201 isolated_file:0 unevictable:0 dirty:158 writeback:0 unstable:0 slab_reclaimable:5429 slab_unreclaimable:61476 mapped:62507 shmem:7016 pagetables:1886 bounce:0 free:1357786 free_pcp:385 free_cma:0 Node 0 active_anon:423528kB inactive_anon:54528kB active_file:94292kB inactive_file:68804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:250028kB dirty:632kB writeback:0kB shmem:28064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:3019420kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020096kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:676kB local_pcp:32kB free_cma:0kB SELinux: Context 000755ca 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00077f90 00000350 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 is not valid (left unmapped). lowmem_reserve[]: 0 3505 3505 Normal free:2411640kB min:5580kB low:9168kB high:12756kB active_anon:423628kB inactive_anon:54528kB active_file:94292kB inactive_file:68804kB unevictable:0kB writepending:632kB present:4718592kB managed:3589320kB mlocked:0kB slab_reclaimable:21716kB slab_unreclaimable:245900kB kernel_stack:6688kB pagetables:7544kB bounce:0kB free_pcp:920kB local_pcp:376kB free_cma:0kB lowmem_reserve[]: 0 0 0