====================================================== WARNING: possible circular locking dependency detected 4.19.0-rc7+ #59 Not tainted ------------------------------------------------------ syz-fuzzer/5357 is trying to acquire lock: Mem-Info: 000000002825d30a active_anon:135500 inactive_anon:113 isolated_anon:0 active_file:241 inactive_file:4857 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:11792 slab_unreclaimable:1373034 mapped:49154 shmem:128 pagetables:1234 bounce:0 free:13752 free_pcp:1144 free_cma:0 ( Node 0 active_anon:542000kB inactive_anon:452kB active_file:964kB inactive_file:19428kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:512kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 249856kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes sb_internal){.+.+} Node 0 , at: sb_start_intwrite include/linux/fs.h:1613 [inline] , at: ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 but task is already holding lock: DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0000000097a51a9d lowmem_reserve[]: ( 0 fs_reclaim 2819 ){+.+.} 6323 , at: fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79 6323 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 Node 0 ( DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1556kB local_pcp:1460kB free_cma:0kB fs_reclaim lowmem_reserve[]: ){+.+.} 0 : 0 __fs_reclaim_acquire mm/page_alloc.c:3728 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3739 3503 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3740 3503 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] kzalloc include/linux/slab.h:707 [inline] smk_fetch.part.24+0x5a/0xf0 security/smack/smack_lsm.c:273 smk_fetch security/smack/smack_lsm.c:3548 [inline] smack_d_instantiate+0x94e/0xea0 security/smack/smack_lsm.c:3502 security_d_instantiate+0x5c/0xf0 security/security.c:1287 Node 0 d_instantiate+0x5e/0xa0 fs/dcache.c:1870 Normal free:13836kB min:37352kB low:46688kB high:56024kB active_anon:539952kB inactive_anon:452kB active_file:964kB inactive_file:19428kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5856kB pagetables:4936kB bounce:0kB free_pcp:3020kB local_pcp:1512kB free_cma:0kB shmem_mknod+0x189/0x1f0 mm/shmem.c:2814 lowmem_reserve[]: vfs_mknod+0x445/0x800 fs/namei.c:3719 0 handle_create+0x1ff/0x730 drivers/base/devtmpfs.c:211 handle drivers/base/devtmpfs.c:374 [inline] devtmpfsd+0x27f/0x4c0 drivers/base/devtmpfs.c:400 0 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 0 -> #2 0 ( &isp->smk_lock Node 0 ){+.+.} DMA: : 1*4kB __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 (U) mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 smack_d_instantiate+0x136/0xea0 security/smack/smack_lsm.c:3369 0*8kB security_d_instantiate+0x5c/0xf0 security/security.c:1287 d_instantiate_new+0x70/0x160 fs/dcache.c:1889 0*16kB ext4_add_nondir+0x81/0x90 fs/ext4/namei.c:2415 ext4_symlink+0x752/0x1130 fs/ext4/namei.c:3162 1*32kB vfs_symlink+0x37a/0x5d0 fs/namei.c:4127 do_symlinkat+0x242/0x2d0 fs/namei.c:4154 (U) __do_sys_symlink fs/namei.c:4173 [inline] __se_sys_symlink fs/namei.c:4171 [inline] __x64_sys_symlink+0x59/0x80 fs/namei.c:4171 2*64kB do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe (U) -> #1 1*128kB ( (U) jbd2_handle 1*256kB ){++++} (U) : 0*512kB start_this_handle+0x5b8/0x1250 fs/jbd2/transaction.c:385 1*1024kB jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 (U) __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 1*2048kB ext4_sample_last_mounted fs/ext4/file.c:414 [inline] ext4_file_open+0x53e/0x730 fs/ext4/file.c:439 (M) do_dentry_open+0x499/0x1250 fs/open.c:771 3*4096kB vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 (M) do_filp_open+0x255/0x380 fs/namei.c:3564 do_open_execat+0x221/0x8e0 fs/exec.c:853 = 15908kB __do_execve_file.isra.33+0x173f/0x2540 fs/exec.c:1755 Node 0 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve fs/exec.c:1959 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 DMA32: do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe 4*4kB -> #0 (M) ( 0*8kB sb_internal 2*16kB ){.+.+} (M) : 2*32kB lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 (M) percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x214/0x370 fs/super.c:1387 sb_start_intwrite include/linux/fs.h:1613 [inline] ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 5*64kB evict+0x4b9/0x980 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 (UM) dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 4*128kB dentry_kill+0xc9/0x5a0 fs/dcache.c:685 dput.part.26+0x660/0x790 fs/dcache.c:846 (UM) dput+0x15/0x20 fs/dcache.c:828 ovl_destroy_inode+0x3d/0x170 fs/overlayfs/super.c:204 3*256kB destroy_inode+0x159/0x200 fs/inode.c:267 evict+0x5e0/0x980 fs/inode.c:575 (UM) iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 4*512kB __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 shrink_dentry_list+0x32f/0x800 fs/dcache.c:1079 (UM) prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 super_cache_scan+0x270/0x480 fs/super.c:102 3*1024kB do_shrink_slab+0x4e7/0xd20 mm/vmscan.c:547 shrink_slab_memcg mm/vmscan.c:612 [inline] shrink_slab+0x6f6/0x8c0 mm/vmscan.c:684 (M) shrink_node+0x431/0x16b0 mm/vmscan.c:2745 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 1*2048kB try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191 (M) __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 4*4096kB alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 (M) __do_page_cache_readahead+0x383/0x980 mm/readahead.c:195 ra_submit mm/internal.h:66 [inline] do_sync_mmap_readahead mm/filemap.c:2444 [inline] filemap_fault+0xf4d/0x25f0 mm/filemap.c:2520 = 25264kB ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 Node 0 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 Normal: handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 1459*4kB do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 (ME) page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 other info that might help us debug this: 470*8kB Chain exists of: (UME) sb_internal 143*16kB --> (UME) &isp->smk_lock 61*32kB --> fs_reclaim (UM) Possible unsafe locking scenario: 0*64kB CPU0 CPU1 ---- ---- 0*128kB lock(fs_reclaim 0*256kB ); lock( 0*512kB &isp->smk_lock 0*1024kB ); lock( 0*2048kB fs_reclaim 0*4096kB ); = 13836kB lock(sb_internal Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB ); Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB *** DEADLOCK *** 5 locks held by syz-fuzzer/5357: 5226 total pagecache pages #0: 0 pages in swap cache 0000000081fe81f6 ( Swap cache stats: add 0, delete 0, find 0/0 &mm->mmap_sem Free swap = 0kB ){++++} Total swap = 0kB , at: __do_page_fault+0x3e3/0xed0 arch/x86/mm/fault.c:1324 #1: 1965979 pages RAM 00000000f9b43883 0 pages HighMem/MovableOnly ( 342307 pages reserved &ei->i_mmap_sem){++++} 0 pages cma reserved , at: ext4_filemap_fault+0x7a/0xad fs/ext4/inode.c:6258 #2: syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) 0000000097a51a9d ( syz-executor1 cpuset= fs_reclaim){+.+.} syz1 , at: fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79 #3: mems_allowed=0 0000000048597d8c ( CPU: 1 PID: 15926 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #59 shrinker_rwsem){++++} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 , at: shrink_slab_memcg mm/vmscan.c:589 [inline] , at: shrink_slab+0x1d1/0x8c0 mm/vmscan.c:684 #4: Call Trace: 00000000f60ff59a ( __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 &type->s_umount_key#67 ){++++} warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 , at: trylock_super+0x22/0x110 fs/super.c:412 stack backtrace: __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_5ea22db20b9c1c92+0xb99/0x1000 Mem-Info: CPU: 0 PID: 5357 Comm: syz-fuzzer Not tainted 4.19.0-rc7+ #59 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 active_anon:135500 inactive_anon:113 isolated_anon:0 active_file:241 inactive_file:4857 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:11792 slab_unreclaimable:1373036 mapped:49154 shmem:128 pagetables:1234 bounce:0 free:13752 free_pcp:1144 free_cma:0 Call Trace: Node 0 active_anon:542000kB inactive_anon:452kB active_file:964kB inactive_file:19428kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:512kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 249856kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 0 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x33e4/0x4ec0 kernel/locking/lockdep.c:3411 2819 6323 6323 Node 0 DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1556kB local_pcp:1460kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:13836kB min:37352kB low:46688kB high:56024kB active_anon:539952kB inactive_anon:452kB active_file:964kB inactive_file:19428kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5856kB pagetables:4936kB bounce:0kB free_pcp:3020kB local_pcp:1512kB free_cma:0kB lowmem_reserve[]: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 0 0 0 0 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x214/0x370 fs/super.c:1387 Node 0 DMA: sb_start_intwrite include/linux/fs.h:1613 [inline] ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB evict+0x4b9/0x980 fs/inode.c:558 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 = 15908kB Node 0 DMA32: 4*4kB (M) 0*8kB 2*16kB dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 (M) 2*32kB (M) 5*64kB (UM) __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 4*128kB (UM) 3*256kB (UM) dentry_kill+0xc9/0x5a0 fs/dcache.c:685 4*512kB dput.part.26+0x660/0x790 fs/dcache.c:846 (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB dput+0x15/0x20 fs/dcache.c:828 (M) ovl_destroy_inode+0x3d/0x170 fs/overlayfs/super.c:204 = 25264kB Node 0 destroy_inode+0x159/0x200 fs/inode.c:267 Normal: 1459*4kB (ME) 470*8kB evict+0x5e0/0x980 fs/inode.c:575 (UME) 143*16kB (UME) 61*32kB (UM) 0*64kB 0*128kB iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13836kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 5226 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 342307 pages reserved 0 pages cma reserved syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) shrink_dentry_list+0x32f/0x800 fs/dcache.c:1079 syz-executor1 cpuset= syz1 mems_allowed=0 prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 super_cache_scan+0x270/0x480 fs/super.c:102 do_shrink_slab+0x4e7/0xd20 mm/vmscan.c:547 shrink_slab_memcg mm/vmscan.c:612 [inline] shrink_slab+0x6f6/0x8c0 mm/vmscan.c:684 shrink_node+0x431/0x16b0 mm/vmscan.c:2745 shrink_zones mm/vmscan.c:2974 [inline] do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3036 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3251 __perform_reclaim mm/page_alloc.c:3769 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] __alloc_pages_slowpath+0x993/0x2d80 mm/page_alloc.c:4191 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38f/0x5b0 mm/filemap.c:946 __do_page_cache_readahead+0x383/0x980 mm/readahead.c:195 ra_submit mm/internal.h:66 [inline] do_sync_mmap_readahead mm/filemap.c:2444 [inline] filemap_fault+0xf4d/0x25f0 mm/filemap.c:2520 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6259 __do_fault+0x100/0x6b0 mm/memory.c:3240 do_read_fault mm/memory.c:3652 [inline] do_fault mm/memory.c:3752 [inline] handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x3709/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x45ddf3 Code: Bad RIP value. RSP: 002b:000000c42001fea0 EFLAGS: 00010202 RAX: ffffffffffffff92 RBX: 000000003b976004 RCX: 000000000045ddf3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd980 RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 R13: 000000c4390dd140 R14: 0000000000000001 R15: 0000000000000000 CPU: 1 PID: 15926 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #59 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 warn_alloc.cold.119+0xb7/0x1bd mm/page_alloc.c:3426 __alloc_pages_slowpath+0x2667/0x2d80 mm/page_alloc.c:4297 __alloc_pages_nodemask+0xa80/0xde0 mm/page_alloc.c:4390 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2677 fallback_alloc+0x203/0x2e0 mm/slab.c:3219 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552 skb_clone+0x1bb/0x500 net/core/skbuff.c:1280 ____bpf_clone_redirect net/core/filter.c:2075 [inline] bpf_clone_redirect+0xb9/0x490 net/core/filter.c:2062 bpf_prog_5ea22db20b9c1c92+0xb99/0x1000 Mem-Info: active_anon:135500 inactive_anon:113 isolated_anon:0 active_file:241 inactive_file:207 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:11792 slab_unreclaimable:1365524 mapped:49229 shmem:128 pagetables:1234 bounce:0 free:25820 free_pcp:1119 free_cma:0 Node 0 active_anon:542000kB inactive_anon:452kB active_file:964kB inactive_file:828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196916kB dirty:0kB writeback:0kB shmem:512kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 249856kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2819 6323 6323 Node 0 DMA32 free:25264kB min:30060kB low:37572kB high:45084kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1460kB local_pcp:1460kB free_cma:0kB lowmem_reserve[]: 0 0 3503 3503 Node 0 Normal free:83276kB min:37352kB low:46688kB high:56024kB active_anon:539952kB inactive_anon:452kB active_file:964kB inactive_file:1740kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5856kB pagetables:4936kB bounce:0kB free_pcp:2776kB local_pcp:1512kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 6*4kB (UM) 1*8kB (U) 3*16kB (UM) 2*32kB (M) 6*64kB (UM) 4*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 1*2048kB (M) 4*4096kB (M) = 25360kB Node 0 Normal: 1851*4kB (UME) 2654*8kB (UME) 1290*16kB (UME) 132*32kB (UM) 25*64kB (UM) 126*128kB (U) 54*256kB (U) 10*512kB (U) 6*1024kB (U) 5*2048kB (U) 3*4096kB (U) = 118844kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 1067 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 342307 pages reserved 0 pages cma reserved kobject: '9p-2' (000000001cd0fb44): kobject_uevent_env kobject: '9p-2' (000000001cd0fb44): fill_kobj_path: path = '/devices/virtual/bdi/9p-2' kobject: '9p-2' (000000001cd0fb44): kobject_cleanup, parent (null) kobject: '9p-2' (000000001cd0fb44): calling ktype release kobject: '9p-2': free name kobject: '9p-6' (00000000d7e2ba93): kobject_uevent_env kobject: '9p-6' (00000000d7e2ba93): fill_kobj_path: path = '/devices/virtual/bdi/9p-6' kobject: '9p-6' (00000000d7e2ba93): kobject_cleanup, parent (null) kobject: '9p-6' (00000000d7e2ba93): calling ktype release kobject: '9p-6': free name kobject: '9p-7' (000000008af66577): kobject_uevent_env kobject: '9p-7' (000000008af66577): fill_kobj_path: path = '/devices/virtual/bdi/9p-7' kobject: '9p-7' (000000008af66577): kobject_cleanup, parent (null) kobject: '9p-7' (000000008af66577): calling ktype release kobject: '9p-7': free name kobject: 'rx-0' (0000000045bc0ee6): kobject_cleanup, parent 00000000204383f0 kobject: 'rx-0' (0000000045bc0ee6): auto cleanup 'remove' event kobject: 'rx-0' (0000000045bc0ee6): kobject_uevent_env kobject: 'rx-0' (0000000045bc0ee6): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (0000000045bc0ee6): auto cleanup kobject_del kobject: 'rx-0' (0000000045bc0ee6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000051631861): kobject_cleanup, parent 00000000204383f0 kobject: 'tx-0' (0000000051631861): auto cleanup 'remove' event kobject: 'tx-0' (0000000051631861): kobject_uevent_env kobject: 'tx-0' (0000000051631861): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (0000000051631861): auto cleanup kobject_del kobject: 'tx-0' (0000000051631861): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000204383f0): kobject_cleanup, parent (null) kobject: 'queues' (00000000204383f0): calling ktype release kobject: 'queues' (00000000204383f0): kset_release kobject: 'queues': free name kobject: 'syz_tun' (000000001f916291): kobject_uevent_env kobject: 'syz_tun' (000000001f916291): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'syz_tun' (000000001f916291): kobject_cleanup, parent (null) kobject: 'syz_tun' (000000001f916291): calling ktype release kobject: 'syz_tun': free name kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000c68001ac): kobject_uevent_env kobject: 'loop5' (00000000c68001ac): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000e1925797): kobject_uevent_env kobject: 'loop2' (00000000e1925797): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000af643cb): kobject_uevent_env kobject: 'loop3' (000000000af643cb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000dcb26bf7): kobject_uevent_env kobject: 'loop4' (00000000dcb26bf7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (00000000c68001ac): kobject_uevent_env kobject: 'loop5' (00000000c68001ac): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'loop3' (000000000af643cb): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000af643cb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c68001ac): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'loop5' (00000000c68001ac): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000dcb26bf7): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'loop4' (00000000dcb26bf7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'loop5' (00000000c68001ac): kobject_uevent_env kobject: 'loop5' (00000000c68001ac): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000aadd465b): kobject_uevent_env kobject: 'kvm' (00000000aadd465b): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000dcb26bf7): kobject_uevent_env kobject: 'loop4' (00000000dcb26bf7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000002f251d59): kobject_cleanup, parent 0000000066352aad kobject: 'rx-0' (000000002f251d59): auto cleanup 'remove' event kobject: 'rx-0' (000000002f251d59): kobject_uevent_env kobject: 'rx-0' (000000002f251d59): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000002f251d59): auto cleanup kobject_del kobject: 'rx-0' (000000002f251d59): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000005a4f2030): kobject_cleanup, parent 0000000066352aad kobject: 'tx-0' (000000005a4f2030): auto cleanup 'remove' event kobject: 'tx-0' (000000005a4f2030): kobject_uevent_env kobject: 'tx-0' (000000005a4f2030): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000005a4f2030): auto cleanup kobject_del kobject: 'tx-0' (000000005a4f2030): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000066352aad): kobject_cleanup, parent (null) kobject: 'queues' (0000000066352aad): calling ktype release kobject: 'queues' (0000000066352aad): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (000000003b85083c): kobject_uevent_env kobject: 'ip6gre0' (000000003b85083c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000081ebbd39): kobject_cleanup, parent 00000000b16f7e1d kobject: 'rx-0' (0000000081ebbd39): auto cleanup 'remove' event kobject: 'rx-0' (0000000081ebbd39): kobject_uevent_env kobject: 'rx-0' (0000000081ebbd39): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000081ebbd39): auto cleanup kobject_del kobject: 'rx-0' (0000000081ebbd39): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008d7c75af): kobject_cleanup, parent 00000000b16f7e1d kobject: 'tx-0' (000000008d7c75af): auto cleanup 'remove' event kobject: 'tx-0' (000000008d7c75af): kobject_uevent_env kobject: 'tx-0' (000000008d7c75af): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008d7c75af): auto cleanup kobject_del kobject: 'tx-0' (000000008d7c75af): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b16f7e1d): kobject_cleanup, parent (null) kobject: 'queues' (00000000b16f7e1d): calling ktype release kobject: 'queues' (00000000b16f7e1d): kset_release kobject: 'queues': free name kobject: 'ip6gretap0' (0000000074dd0966): kobject_uevent_env kobject: 'ip6gretap0' (0000000074dd0966): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000003b85083c): kobject_cleanup, parent (null) kobject: 'ip6gre0' (000000003b85083c): auto cleanup 'remove' event kobject: 'ip6gre0' (000000003b85083c): kobject_uevent_env kobject: 'ip6gre0' (000000003b85083c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gre0' (000000003b85083c): calling ktype release kobject: 'ip6gre0': free name kobject: 'ip6gretap0' (0000000074dd0966): kobject_cleanup, parent (null) kobject: 'ip6gretap0' (0000000074dd0966): auto cleanup 'remove' event kobject: 'ip6gretap0' (0000000074dd0966): kobject_uevent_env kobject: 'ip6gretap0' (0000000074dd0966): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6gretap0' (0000000074dd0966): calling ktype release kobject: 'ip6gretap0': free name kobject: 'loop3' (000000000af643cb): kobject_uevent_env kobject: 'loop3' (000000000af643cb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000006e373671): kobject_cleanup, parent 000000001d82dfa5 kobject: 'rx-0' (000000006e373671): auto cleanup 'remove' event kobject: 'rx-0' (000000006e373671): kobject_uevent_env kobject: 'rx-0' (000000006e373671): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006e373671): auto cleanup kobject_del kobject: 'rx-0' (000000006e373671): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009a515823): kobject_cleanup, parent 000000001d82dfa5 kobject: 'tx-0' (000000009a515823): auto cleanup 'remove' event kobject: 'tx-0' (000000009a515823): kobject_uevent_env kobject: 'tx-0' (000000009a515823): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000009a515823): auto cleanup kobject_del kobject: 'tx-0' (000000009a515823): calling ktype release