cache 65072kB is below limit 65536kB for oom_score_adj 12 Free memory is -6712kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000face34ce>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 604057 hardirqs last enabled at (604057): [<000000000a28e97b>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (604056): [<000000008a709140>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (603806): [<00000000d8999f07>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (603787): [<000000006fbe8ca7>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (603787): [<000000006fbe8ca7>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by kswapd0/33: #0: (shrinker_rwsem){++++..}, at: [<00000000b5135d58>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.194+ #0 ffff8801d8427420 ffffffff81b67001 00000000000000f0 ffff8801d995af80 ffffffff83cb0b40 ffff8801d995b878 ffffffff84252000 ffff8801d8427498 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000126ac02c>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000126ac02c>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000005e423fde>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000005e423fde>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000005e423fde>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000c5442db4>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000c5442db4>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000b8b01fb1>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000003f5861c>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000face34ce>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<0000000074b01640>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<000000000aca6606>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<0000000017611236>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000017611236>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000053dbf198>] shrink_slab mm/vmscan.c:466 [inline] [<0000000053dbf198>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000f0bdbb6c>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<00000000f0bdbb6c>] balance_pgdat mm/vmscan.c:3329 [inline] [<00000000f0bdbb6c>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<0000000070be80b7>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000087ea4433>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 lowmemorykiller: Killing 'syz-executor.4' (21891) (tgid 21891), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 65072kB is below limit 65536kB for oom_score_adj 12 Free memory is 5528kB above reserved input: syz1 as /devices/virtual/input/input376 input: syz1 as /devices/virtual/input/input378 input: syz1 as /devices/virtual/input/input380 input: syz1 as /devices/virtual/input/input381 input: syz1 as /devices/virtual/input/input382 input: syz1 as /devices/virtual/input/input383 lowmemorykiller: Killing 'syz-executor.4' (21940) (tgid 21940), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64952kB is below limit 65536kB for oom_score_adj 12 Free memory is -6664kB above reserved lowmemorykiller: Killing 'syz-executor.4' (21989) (tgid 21989), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64552kB is below limit 65536kB for oom_score_adj 12 Free memory is -6388kB above reserved lowmemorykiller: Killing 'syz-executor.4' (22084) (tgid 22084), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64552kB is below limit 65536kB for oom_score_adj 12 Free memory is 25392kB above reserved lowmemorykiller: Killing 'syz-executor.4' (22975) (tgid 22975), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64552kB is below limit 65536kB for oom_score_adj 12 Free memory is 35664kB above reserved lowmemorykiller: Killing 'syz-executor.4' (23837) (tgid 23837), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64552kB is below limit 65536kB for oom_score_adj 12 Free memory is 38240kB above reserved lowmemorykiller: Killing 'syz-executor.4' (24488) (tgid 24488), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 64552kB is below limit 65536kB for oom_score_adj 12 Free memory is 50140kB above reserved SELinux: policydb magic number 0x5ebee28c does not match expected magic number 0xf97cff8c SELinux: security policydb version 18 (MLS) not backwards compatible SELinux: policydb magic number 0x5ebee28c does not match expected magic number 0xf97cff8c input: syz1 as /devices/virtual/input/input386 input: syz1 as /devices/virtual/input/input387 SELinux: security policydb version 18 (MLS) not backwards compatible SELinux: security policydb version 18 (MLS) not backwards compatible SELinux: policydb magic number 0xf97c838c does not match expected magic number 0xf97cff8c uinput: write device info first SELinux: policydb magic number 0xf97c838c does not match expected magic number 0xf97cff8c uinput: write device info first SELinux: security policydb version 18 (MLS) not backwards compatible input: syz1 as /devices/virtual/input/input390 SELinux: security policydb version 18 (MLS) not backwards compatible input: syz1 as /devices/virtual/input/input391 SELinux: policydb string SE minux does not match my string SE Linux input: syz1 as /devices/virtual/input/input392 SELinux: security policydb version 18 (MLS) not backwards compatible input: syz1 as /devices/virtual/input/input393 SELinux: policydb string SE minux does not match my string SE Linux input: syz1 as /devices/virtual/input/input394 SELinux: policydb magic number 0xcb7cff8c does not match expected magic number 0xf97cff8c uinput: write device info first input: syz1 as /devices/virtual/input/input396 input: syz1 as /devices/virtual/input/input397 input: syz1 as /devices/virtual/input/input398 SELinux: policydb string length 112 does not match expected length 8 input: syz1 as /devices/virtual/input/input399 input: syz1 as /devices/virtual/input/input400 SELinux: policydb table sizes (897969667,-201850880) do not match mine (6,7) input: syz1 as /devices/virtual/input/input401 syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 628 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff88002afbf968 ffffffff81b67001 1ffff100055f7f2f ffff8801a92c4740 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff88002afbfa90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1397654 inactive_anon:291 isolated_anon:0 active_file:7189 inactive_file:8959 isolated_file:0 unevictable:0 dirty:237 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86876 mapped:59355 shmem:60 pagetables:40505 bounce:0 free:8713 free_pcp:545 free_cma:0 input: syz1 as /devices/virtual/input/input402 Node 0 active_anon:5590788kB inactive_anon:1164kB active_file:28756kB inactive_file:35848kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:964kB writeback:0kB shmem:240kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:25268kB min:4696kB low:7712kB high:10728kB active_anon:2842088kB inactive_anon:12kB active_file:2528kB inactive_file:280kB unevictable:0kB writepending:176kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73284kB kernel_stack:13312kB pagetables:36732kB bounce:0kB free_pcp:940kB local_pcp:648kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:9144kB min:5580kB low:9168kB high:12756kB active_anon:2748740kB inactive_anon:1156kB active_file:26228kB inactive_file:35568kB unevictable:0kB writepending:788kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273788kB kernel_stack:36768kB pagetables:125452kB bounce:0kB free_pcp:1388kB local_pcp:700kB free_cma:0kB lowmem_reserve[]:[ 3034.389415] input: syz1 as /devices/virtual/input/input403 0 0 0 DMA32: 1*4kB (U) 1*8kB (U) 29*16kB (U) 16*32kB (UM) 1*64kB (U) 32*128kB (U) 7*256kB (U) 1*512kB (M) 1*1024kB (M) 0*2048kB 4*4096kB (M) = 24860kB Normal: 562*4kB (UEH) 424*8kB (UMEH) 141*16kB (U) 11*32kB (UH) 2*64kB (H) 6*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9144kB 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 313628 pages reserved SELinux: policydb table sizes (897969667,-201850880) do not match mine (6,7) lowmemorykiller: Killing 'syz-executor.4' (404) (tgid 404), adj 1000, to free 52392kB on behalf of 'kswapd0' (33) because cache 64600kB is below limit 65536kB for oom_score_adj 12 Free memory is -6648kB above reserved input: syz1 as /devices/virtual/input/input404 lowmemorykiller: Killing 'syz-executor.4' (498) (tgid 498), adj 1000, to free 52388kB on behalf of 'kswapd0' (33) because cache 63600kB is below limit 65536kB for oom_score_adj 12 Free memory is 10140kB above reserved lowmemorykiller: Killing 'syz-executor.4' (597) (tgid 597), adj 1000, to free 52388kB on behalf of 'kswapd0' (33) because cache 63600kB is below limit 65536kB for oom_score_adj 12 Free memory is 10012kB above reserved lowmemorykiller: Killing 'syz-executor.4' (343) (tgid 343), adj 1000, to free 52384kB on behalf of 'kswapd0' (33) because cache 63600kB is below limit 65536kB for oom_score_adj 12 Free memory is 25960kB above reserved lowmemorykiller: Killing 'syz-executor.4' (25076) (tgid 25076), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 63600kB is below limit 65536kB for oom_score_adj 12 Free memory is 54812kB above reserved input: syz1 as /devices/virtual/input/input405 syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 669 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8801ae3b7968 ffffffff81b67001 1ffff10035c76f2f ffff8800b48017c0 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8801ae3b7a90 ffffffff815080fc 0000000041b58ab3[ 3034.794105] input: syz1 as /devices/virtual/input/input406 ffffffff82e3bc80 ffffffff81431d00 [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1382232 inactive_anon:292 isolated_anon:0 active_file:7189 inactive_file:8701 isolated_file:0 unevictable:0 dirty:242 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86761 mapped:59341 shmem:61 pagetables:40435 bounce:0 free:24671 free_pcp:454 free_cma:0 Node 0 active_anon:5531828kB inactive_anon:1168kB active_file:28756kB inactive_file:34804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:968kB writeback:0kB shmem:244kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no input: syz1 as /devices/virtual/input/input407 DMA32 free:84076kB min:4696kB low:7712kB high:10728kB active_anon:2784088kB inactive_anon:12kB active_file:2528kB inactive_file:280kB unevictable:0kB writepending:180kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73568kB kernel_stack:12928kB pagetables:36584kB bounce:0kB free_pcp:744kB local_pcp:316kB free_cma:0kB input: syz1 as /devices/virtual/input/input408 lowmem_reserve[]: 0 3505 3505 Normal free:8984kB min:5580kB low:9168kB high:12756kB active_anon:2750040kB inactive_anon:1156kB active_file:26228kB inactive_file:34512kB unevictable:0kB writepending:788kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273988kB kernel_stack:36832kB pagetables:125600kB bounce:0kB free_pcp:912kB local_pcp:560kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 1*4kB (M) 223*8kB (UM) 421*16kB (UM) 291*32kB (UM) 128*64kB (UM) [ 3035.227527] input: syz1 as /devices/virtual/input/input409 73*128kB (UM) 26*256kB (UM) 14*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 84012kB Normal: 606*4kB (UMEH) 420*8kB (UMEH) 124*16kB (U) 10*32kB (H) 2*64kB (H) 6*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8984kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB input: syz1 as /devices/virtual/input/input410 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313628 pages reserved SELinux: policydb string length 54314 does not match expected length 8 SELinux: policydb string length 54314 does not match expected length 8 syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 720 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800a3f47968 ffffffff81b67001 1ffff100147e8f2f ffff8800a144df00 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800a3f47a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1392121 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8696 isolated_file:0 unevictable:0 dirty:253 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86862 mapped:59341 shmem:62 pagetables:40498 bounce:0 free:14584 free_pcp:363 free_cma:0 Node 0 active_anon:5570236kB inactive_anon:1172kB active_file:28768kB inactive_file:34784kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1012kB writeback:0kB shmem:248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:47520kB min:4696kB low:7712kB high:10728kB active_anon:2819984kB inactive_anon:16kB active_file:2528kB inactive_file:308kB unevictable:0kB writepending:208kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73480kB kernel_stack:13504kB pagetables:36692kB bounce:0kB free_pcp:472kB local_pcp:316kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:9048kB min:5580kB low:9168kB high:12756kB active_anon:2750252kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:804kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:274000kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1012kB local_pcp:660kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 0*4kB 2*8kB (UM) 45*16kB (UM) 10*32kB (UM) 3*64kB (UM) 33*128kB (UM) 8*256kB (UM) 10*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 47456kB Normal: 622*4kB (UEH) 420*8kB (UEH) 124*16kB (U) 11*32kB (UH) 2*64kB (H) 6*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9080kB 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 313628 pages reserved SELinux: policydb string SE Linnz does not match my string SE Linux SELinux: policydb string SE Linnz does not match my string SE Linux SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=731 comm=syz-executor.1 syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 736 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff880099e17968 ffffffff81b67001 1ffff100133c2f2f ffff8801c8d75f00 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff880099e17a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1392567 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8696 isolated_file:0 unevictable:0 dirty:261 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86862 mapped:59341 shmem:62 pagetables:40561 bounce:0 free:14135 free_pcp:332 free_cma:0 Node 0 active_anon:5570268kB inactive_anon:1172kB active_file:28768kB inactive_file:34784kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1044kB writeback:0kB shmem:248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:47460kB min:4696kB low:7712kB high:10728kB active_anon:2820016kB inactive_anon:16kB active_file:2528kB inactive_file:308kB unevictable:0kB writepending:236kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73480kB kernel_stack:13408kB pagetables:36884kB bounce:0kB free_pcp:300kB local_pcp:236kB free_cma:0kB Normal free:9080kB min:5580kB low:9168kB high:12756kB active_anon:2750252kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:808kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273968kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1028kB local_pcp:676kB free_cma:0kB DMA32: 1*4kB (U) 2*8kB (UM) 37*16kB (UM) 12*32kB (UM) 3*64kB (UM) 33*128kB (UM) 8*256kB (UM) 10*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 47396kB 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 313628 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 741 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800638a7968 ffffffff81b67001 1ffff1000c714f2f ffff8801d62cc740 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800638a7a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1392567 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8696 isolated_file:0 unevictable:0 dirty:261 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86894 mapped:59341 shmem:62 pagetables:40561 bounce:0 free:14056 free_pcp:350 free_cma:0 Node 0 active_anon:5570268kB inactive_anon:1172kB active_file:28768kB inactive_file:34784kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1044kB writeback:0kB shmem:248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:47144kB min:4696kB low:7712kB high:10728kB active_anon:2820016kB inactive_anon:16kB active_file:2528kB inactive_file:308kB unevictable:0kB writepending:236kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73608kB kernel_stack:13376kB pagetables:36884kB bounce:0kB free_pcp:372kB local_pcp:324kB free_cma:0kB Normal free:9080kB min:5580kB low:9168kB high:12756kB active_anon:2750252kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:808kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273968kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1028kB local_pcp:676kB free_cma:0kB DMA32: 2*4kB (UM) 2*8kB (UM) 37*16kB (UM) 9*32kB (UM) 3*64kB (UM) 32*128kB (U) 8*256kB (UM) 10*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 47176kB 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 313628 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 744 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff880018b27968 ffffffff81b67001 1ffff10003164f2f ffff8801cbc00000 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff880018b27a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1392563 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8706 isolated_file:0 unevictable:0 dirty:266 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86846 mapped:59341 shmem:62 pagetables:40572 bounce:0 free:14104 free_pcp:341 free_cma:0 Node 0 active_anon:5570252kB inactive_anon:1172kB active_file:28768kB inactive_file:34824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1064kB writeback:0kB shmem:248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:47180kB min:4696kB low:7712kB high:10728kB active_anon:2820016kB inactive_anon:16kB active_file:2528kB inactive_file:348kB unevictable:0kB writepending:252kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:73416kB kernel_stack:13408kB pagetables:36928kB bounce:0kB free_pcp:428kB local_pcp:316kB free_cma:0kB Normal free:9080kB min:5580kB low:9168kB high:12756kB active_anon:2750236kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:812kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273968kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1028kB local_pcp:676kB free_cma:0kB DMA32: 1*4kB (U) 1*8kB (U) 36*16kB (U) 12*32kB (U) 2*64kB (U) 32*128kB (U) 8*256kB (UM) 10*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 47180kB 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 313628 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 748 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800362ff968 ffffffff81b67001 1ffff10006c5ff2f ffff880073198000 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800362ffa90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1393388 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8706 isolated_file:0 unevictable:0 dirty:266 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:87020 mapped:59341 shmem:62 pagetables:40535 bounce:0 free:13100 free_pcp:472 free_cma:0 Node 0 active_anon:5573552kB inactive_anon:1172kB active_file:28768kB inactive_file:34824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1064kB writeback:0kB shmem:248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:43320kB min:4696kB low:7712kB high:10728kB active_anon:2823316kB inactive_anon:16kB active_file:2528kB inactive_file:348kB unevictable:0kB writepending:252kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:74112kB kernel_stack:13216kB pagetables:36780kB bounce:0kB free_pcp:860kB local_pcp:436kB free_cma:0kB Normal free:9080kB min:5580kB low:9168kB high:12756kB active_anon:2750236kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:812kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273968kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1028kB local_pcp:352kB free_cma:0kB DMA32: 0*4kB 2*8kB (UM) 13*16kB (U) 8*32kB (UM) 2*64kB (UM) 31*128kB (U) 7*256kB (U) 4*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 43232kB 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 313628 pages reserved input: syz1 as /devices/virtual/input/input411 syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 761 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800362ff968 ffffffff81b67001 1ffff10006c5ff2f ffff8801b60e0000 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800362ffa90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1393448 inactive_anon:290 isolated_anon:0 active_file:7192 inactive_file:8706 isolated_file:0 unevictable:0 dirty:266 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:87016 mapped:59341 shmem:61 pagetables:40571 bounce:0 free:13102 free_pcp:412 free_cma:0 Node 0 active_anon:5573792kB inactive_anon:1160kB active_file:28768kB inactive_file:34824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1064kB writeback:0kB shmem:244kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:43296kB min:4696kB low:7712kB high:10728kB active_anon:2823556kB inactive_anon:4kB active_file:2528kB inactive_file:348kB unevictable:0kB writepending:252kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:74128kB kernel_stack:13152kB pagetables:36924kB bounce:0kB free_pcp:620kB local_pcp:136kB free_cma:0kB Normal free:9112kB min:5580kB low:9168kB high:12756kB active_anon:2750236kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:812kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273936kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1028kB local_pcp:352kB free_cma:0kB DMA32: 1*4kB (M) 2*8kB (UM) 19*16kB (UM) 14*32kB (U) 1*64kB (U) 32*128kB (UM) 8*256kB (UM) 3*512kB (M) 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 43332kB 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 313628 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 770 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800a145f968 ffffffff81b67001 1ffff1001428bf2f ffff8801d1d617c0 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800a145fa90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1393819 inactive_anon:292 isolated_anon:0 active_file:7192 inactive_file:8706 isolated_file:0 unevictable:0 dirty:268 writeback:0 unstable:0 slab_reclaimable:10764 slab_unreclaimable:86973 mapped:59341 shmem:60 pagetables:40599 bounce:0 free:12638 free_pcp:413 free_cma:0 Node 0 active_anon:5575276kB inactive_anon:1168kB active_file:28768kB inactive_file:34824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1072kB writeback:0kB shmem:240kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:41500kB min:4696kB low:7712kB high:10728kB active_anon:2825088kB inactive_anon:12kB active_file:2528kB inactive_file:348kB unevictable:0kB writepending:256kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:74004kB kernel_stack:13312kB pagetables:37036kB bounce:0kB free_pcp:556kB local_pcp:208kB free_cma:0kB Normal free:9052kB min:5580kB low:9168kB high:12756kB active_anon:2750288kB inactive_anon:1156kB active_file:26240kB inactive_file:34476kB unevictable:0kB writepending:816kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39124kB slab_unreclaimable:273888kB kernel_stack:36768kB pagetables:125360kB bounce:0kB free_pcp:1096kB local_pcp:408kB free_cma:0kB DMA32: 1*4kB (U) 1*8kB (U) 11*16kB (UM) 11*32kB (U) 2*64kB (UM) 31*128kB (U) 8*256kB (UM) 0*512kB 8*1024kB (M) 7*2048kB (M) 3*4096kB (M) = 41500kB 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 313628 pages reserved input: syz1 as /devices/virtual/input/input412 input: syz1 as /devices/virtual/input/input413 lowmemorykiller: Killing 'syz-executor.4' (727) (tgid 727), adj 1000, to free 52384kB on behalf of 'kswapd0' (33) because cache 63584kB is below limit 65536kB for oom_score_adj 12 Free memory is -6548kB above reserved SELinux: security policydb version 18 (MLS) not backwards compatible input: syz1 as /devices/virtual/input/input414 SELinux: policydb table sizes (6,34354) do not match mine (6,7) syz-executor.3: vmalloc: allocation failure: 0 bytes[ 3038.861518] input: syz1 as /devices/virtual/input/input415 , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 810 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800273c7968 ffffffff81b67001 1ffff10004e78f2f ffff8801ae8197c0 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800273c7a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 input: syz1 as /devices/virtual/input/input416 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 lowmemorykiller: Killing 'syz-executor.4' (25361) (tgid 25361), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 63528kB is below limit 65536kB for oom_score_adj 12 Free memory is -6656kB above reserved lowmemorykiller: Killing 'syz-executor.4' (26860) (tgid 26860), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 63128kB is below limit 65536kB for oom_score_adj 12 Free memory is -6256kB above reserved [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1391143 inactive_anon:293 isolated_anon:0 active_file:7192 inactive_file:8589 isolated_file:0 unevictable:0 dirty:309 writeback:0 unstable:0 slab_reclaimable:10760 slab_unreclaimable:87391 mapped:59366 shmem:61 pagetables:40619 bounce:0 free:15049 free_pcp:399 free_cma:0 input: syz1 as /devices/virtual/input/input417 Node 0 active_anon:5567772kB inactive_anon:1172kB active_file:28768kB inactive_file:34356kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1236kB writeback:0kB shmem:244kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:46104kB min:4696kB low:7712kB high:10728kB active_anon:2818004kB inactive_anon:12kB active_file:2528kB inactive_file:448kB unevictable:0kB writepending:408kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:76232kB kernel_stack:13568kB pagetables:37112kB bounce:0kB free_pcp:628kB local_pcp:300kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:9168kB min:5580kB low:9168kB high:12756kB active_anon:2751660kB inactive_anon:1160kB active_file:26240kB inactive_file:33900kB unevictable:0kB writepending:848kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:39092kB slab_unreclaimable:273140kB kernel_stack:36768kB pagetables:125300kB bounce:0kB free_pcp:1060kB local_pcp:516kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 6*4kB (UM) 5*8kB (UM) 5*16kB (UM) 13*32kB [ 3039.354664] input: syz1 as /devices/virtual/input/input418 (U) 0*64kB 15*128kB (UM) 7*256kB (U) 5*512kB (M) 4*1024kB (M) 5*2048kB (M) 5*4096kB (M) = 41648kB Normal: 638*4kB (UEH) 431*8kB (UMEH) 119*16kB (UE) 16*32kB (UH) 2*64kB (H) 6*128kB (H) 0*256kB 0*512kB [ 3039.406905] input: syz1 as /devices/virtual/input/input419 0*1024kB 0*2048kB 0*4096kB = 9312kB 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 313628 pages reserved SELinux: policydb string length 112 does not match expected length 8 input: syz1 as /devices/virtual/input/input420 SELinux: policydb string length 112 does not match expected length 8 syz-executor.3: [ 3039.570761] input: syz1 as /devices/virtual/input/input421 vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 844 Comm: syz-executor.3 Not tainted 4.9.194+ #0 ffff8800273c7968 ffffffff81b67001 1ffff10004e78f2f ffff8801ab8baf80 ffffffff82aab4e0 0000000000000001 0000000000400000 ffff8800273c7a90 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000844bedbd>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000844bedbd>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 input: syz1 as /devices/virtual/input/input422 [<00000000159591f8>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000007a9f2d09>] __vmalloc_node_range+0x368/0x610 mm/vmalloc.c:1733 [<00000000b5637306>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<00000000b5637306>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<00000000b5637306>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000215794d3>] sel_write_load+0x119/0xf60 security/selinux/selinuxfs.c:514 [<000000000048095f>] __vfs_write+0x116/0x560 fs/read_write.c:509 [<00000000146a0f41>] vfs_write+0x185/0x520 fs/read_write.c:559 [<00000000de3ebc31>] SYSC_write fs/read_write.c:607 [inline] [<00000000de3ebc31>] SyS_write+0x121/0x270 fs/read_write.c:599 [<0000000014f0ad6c>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000e37a9d93>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1397989 inactive_anon:292 isolated_anon:0 active_file:7192 inactive_file:8591 isolated_file:0 unevictable:0 dirty:306 writeback:0 unstable:0 slab_reclaimable:10756 slab_unreclaimable:87350 mapped:59341 shmem:61 pagetables:40698 bounce:0 free:7960 free_pcp:539 free_cma:0 Node 0 active_anon:5592156kB inactive_anon:1168kB active_file:28768kB inactive_file:34364kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237364kB dirty:1224kB writeback:0kB shmem:244kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no input: syz1 as /devices/virtual/input/input423 DMA32 free:22528kB min:4696kB low:7712kB high:10728kB active_anon:2840196kB inactive_anon:8kB active_file:2528kB inactive_file:464kB unevictable:0kB writepending:376kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:3932kB slab_unreclaimable:76644kB kernel_stack:13600kB pagetables:37492kB bounce:0kB free_pcp:848kB local_pcp:660kB free_cma:0kB lowmemorykiller: Killing 'syz-executor.4' (821) (tgid 821), adj 1000, to free 52396kB on behalf of 'kswapd0' (33) because cache 63124kB is below limit 65536kB for oom_score_adj 12 Free memory is -6792kB above reserved lowmemorykiller: Killing 'syz-executor.4' (27134) (tgid 27134), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 62624kB is below limit 65536kB for oom_score_adj 12 Free memory is -6392kB above reserved lowmemorykiller: Killing 'syz-executor.4' (27159) (tgid 27159), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 62624kB is below limit 65536kB for oom_score_adj 12 Free memory is 9808kB above reserved lowmemorykiller: Killing 'syz-executor.4' (27350) (tgid 27350), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 62624kB is below limit 65536kB for oom_score_adj 12 Free memory is 27260kB above reserved lowmemorykiller: Killing 'syz-executor.4' (27899) (tgid 27899), adj 1000, to free 52380kB on behalf of 'kswapd0' (33) because cache 62624kB is below limit 65536kB for oom_score_adj 12 Free memory is 59960kB above reserved