binder: undelivered TRANSACTION_ERROR: 29190 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 ================================= [ INFO: inconsistent lock state ] 4.9.141+ #1 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage. kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: (&sb->s_type->i_mutex_key#10){+.+.?.}, at: [] inode_lock include/linux/fs.h:766 [inline] (&sb->s_type->i_mutex_key#10){+.+.?.}, at: [] shmem_fallocate+0x13c/0xb10 mm/shmem.c:2676 mark_held_locks+0xc7/0x130 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18e/0x2a0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x14a/0x1bd0 mm/page_alloc.c:3804 __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] shmem_alloc_page mm/shmem.c:1420 [inline] shmem_alloc_and_acct_page mm/shmem.c:1450 [inline] shmem_getpage_gfp+0xc7c/0x18f0 mm/shmem.c:1724 shmem_getpage mm/shmem.c:123 [inline] shmem_write_begin+0xf4/0x1a0 mm/shmem.c:2205 generic_perform_write+0x28a/0x500 mm/filemap.c:2753 lowmemorykiller: Killing 'syz-executor0' (14099) (tgid 14099), adj 1000, to free 52528kB on behalf of 'syz-executor4' (22141) because cache 65308kB is below limit 65536kB for oom_score_adj 12 Free memory is -13096kB above reserved lowmemorykiller: Killing 'syz-executor3' (11702) (tgid 11702), adj 1000, to free 52512kB on behalf of 'syz-executor4' (22141) because cache 64908kB is below limit 65536kB for oom_score_adj 12 Free memory is -13028kB above reserved lowmemorykiller: Killing 'syz-executor3' (11732) (tgid 11732), adj 1000, to free 52512kB on behalf of 'syz-executor4' (22141) because cache 64708kB is below limit 65536kB for oom_score_adj 12 Free memory is -13088kB above reserved lowmemorykiller: Killing 'syz-executor2' (3808) (tgid 3808), adj 1000, to free 52440kB on behalf of 'syz-executor4' (22141) because cache 64208kB is below limit 65536kB for oom_score_adj 12 Free memory is -13056kB above reserved __generic_file_write_iter+0x352/0x540 mm/filemap.c:2878 generic_file_write_iter+0x37a/0x620 mm/filemap.c:2906 new_sync_write fs/read_write.c:496 [inline] __vfs_write+0x3d7/0x580 fs/read_write.c:509 vfs_write+0x187/0x520 fs/read_write.c:557 SYSC_write fs/read_write.c:604 [inline] SyS_write+0xd9/0x1c0 fs/read_write.c:596 do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285 entry_SYSCALL_64_after_swapgs+0x5d/0xdb irq event stamp: 9475 hardirqs last enabled at (9475): [] __mutex_trylock_slowpath kernel/locking/mutex.c:885 [inline] hardirqs last enabled at (9475): [] mutex_trylock+0x258/0x3e0 kernel/locking/mutex.c:908 hardirqs last disabled at (9474): [] __mutex_trylock_slowpath kernel/locking/mutex.c:873 [inline] hardirqs last disabled at (9474): [] mutex_trylock+0xaf/0x3e0 kernel/locking/mutex.c:908 softirqs last enabled at (408): [] __do_softirq+0x46d/0x964 kernel/softirq.c:314 softirqs last disabled at (401): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (401): [] irq_exit+0x11c/0x150 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&sb->s_type->i_mutex_key#10); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 2 locks held by kswapd0/33: #0: (shrinker_rwsem){++++..}, at: [] shrink_slab.part.8+0xb2/0xa00 mm/vmscan.c:471 #1: (ashmem_mutex){+.+.+.}, at: [] ashmem_shrink_scan+0x55/0x4c0 drivers/staging/android/ashmem.c:455 stack backtrace: CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.141+ #1 ffff8801d841f380 ffffffff81b42e79 ffff8801d8410000 ffffffff83cacb10 ffff8801d8410900 ffff8801d8410920 ffffffff84244d40 ffff8801d841f3f8 ffffffff81400780 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_usage_bug.cold.40+0x44e/0x57e kernel/locking/lockdep.c:2387 [] valid_state kernel/locking/lockdep.c:2400 [inline] [] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [] mark_lock+0x2f2/0x1290 kernel/locking/lockdep.c:3065 [] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [] __lock_acquire+0x632/0x4a10 kernel/locking/lockdep.c:3302 [] lock_acquire+0x130/0x3e0 kernel/locking/lockdep.c:3756 [] down_write+0x41/0xa0 kernel/locking/rwsem.c:52 [] inode_lock include/linux/fs.h:766 [inline] [] shmem_fallocate+0x13c/0xb10 mm/shmem.c:2676 [] ashmem_shrink_scan+0x1b9/0x4c0 drivers/staging/android/ashmem.c:462 [] do_shrink_slab mm/vmscan.c:398 [inline] [] shrink_slab.part.8+0x3c6/0xa00 mm/vmscan.c:501 [] shrink_slab mm/vmscan.c:465 [inline] [] shrink_node+0x1ed/0x740 mm/vmscan.c:2602 [] kswapd_shrink_node mm/vmscan.c:3202 [inline] [] balance_pgdat mm/vmscan.c:3319 [inline] [] kswapd+0x7e9/0x13b0 mm/vmscan.c:3512 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 lowmemorykiller: Killing 'syz-executor1' (21986) (tgid 21986), adj 1000, to free 52440kB on behalf of 'syz-executor4' (22141) because cache 46572kB is below limit 65536kB for oom_score_adj 12 Free memory is -13332kB above reserved lowmemorykiller: Killing 'syz-executor1' (22045) (tgid 22045), adj 1000, to free 52436kB on behalf of 'syz-executor4' (22141) because cache 46088kB is below limit 65536kB for oom_score_adj 12 Free memory is -13180kB above reserved lowmemorykiller: Killing 'syz-executor0' (6543) (tgid 6543), adj 1000, to free 52424kB on behalf of 'syz-executor4' (22132) because cache 45788kB is below limit 65536kB for oom_score_adj 12 Free memory is -13280kB above reserved lowmemorykiller: Killing 'syz-executor1' (16308) (tgid 16308), adj 1000, to free 52416kB on behalf of 'syz-executor4' (22132) because cache 45088kB is below limit 65536kB for oom_score_adj 12 Free memory is -12264kB above reserved lowmemorykiller: Killing 'syz-executor1' (10188) (tgid 10188), adj 1000, to free 52420kB on behalf of 'syz-executor4' (22141) because cache 45488kB is below limit 65536kB for oom_score_adj 12 Free memory is -13040kB above reserved lowmemorykiller: Killing 'syz-executor1' (21944) (tgid 21944), adj 1000, to free 52412kB on behalf of 'syz-executor4' (22141) because cache 44688kB is below limit 65536kB for oom_score_adj 12 Free memory is -13292kB above reserved lowmemorykiller: Killing 'syz-executor5' (12805) (tgid 12805), adj 1000, to free 52408kB on behalf of 'syz-executor4' (22141) because cache 44388kB is below limit 65536kB for oom_score_adj 12 Free memory is -13244kB above reserved lowmemorykiller: Killing 'syz-executor0' (5434) (tgid 5434), adj 1000, to free 52384kB on behalf of 'syz-executor4' (22141) because cache 44088kB is below limit 65536kB for oom_score_adj 12 Free memory is -13332kB above reserved lowmemorykiller: Killing 'syz-executor1' (19559) (tgid 19559), adj 1000, to free 52384kB on behalf of 'syz-executor4' (22141) because cache 43588kB is below limit 65536kB for oom_score_adj 12 Free memory is -13296kB above reserved lowmemorykiller: Killing 'syz-executor5' (10519) (tgid 10519), adj 1000, to free 52364kB on behalf of 'syz-executor4' (22141) because cache 43288kB is below limit 65536kB for oom_score_adj 12 Free memory is -13316kB above reserved lowmemorykiller: Killing 'syz-executor2' (6740) (tgid 6740), adj 1000, to free 52356kB on behalf of 'syz-executor4' (22141) because cache 37588kB is below limit 65536kB for oom_score_adj 12 Free memory is -13056kB above reserved lowmemorykiller: Killing 'syz-executor0' (17140) (tgid 17140), adj 1000, to free 52352kB on behalf of 'syz-executor4' (22141) because cache 37488kB is below limit 65536kB for oom_score_adj 12 Free memory is -13268kB above reserved lowmemorykiller: Killing 'syz-executor0' (17163) (tgid 17163), adj 1000, to free 52352kB on behalf of 'syz-executor4' (22141) because cache 37388kB is below limit 65536kB for oom_score_adj 12 Free memory is -13204kB above reserved lowmemorykiller: Killing 'syz-executor0' (6496) (tgid 6496), adj 1000, to free 52344kB on behalf of 'syz-executor4' (22141) because cache 37288kB is below limit 65536kB for oom_score_adj 12 Free memory is 3696kB above reserved lowmemorykiller: Killing 'syz-executor3' (7326) (tgid 7326), adj 1000, to free 52344kB on behalf of 'syz-executor4' (22141) because cache 37088kB is below limit 65536kB for oom_score_adj 12 Free memory is -13264kB above reserved lowmemorykiller: Killing 'syz-executor2' (20410) (tgid 20410), adj 1000, to free 52340kB on behalf of 'syz-executor4' (22141) because cache 33288kB is below limit 65536kB for oom_score_adj 12 Free memory is -13064kB above reserved lowmemorykiller: Killing 'syz-executor2' (20429) (tgid 20429), adj 1000, to free 52340kB on behalf of 'syz-executor4' (22141) because cache 32888kB is below limit 65536kB for oom_score_adj 12 Free memory is -13328kB above reserved lowmemorykiller: Killing 'syz-executor1' (11248) (tgid 11248), adj 1000, to free 52332kB on behalf of 'syz-executor4' (22141) because cache 32588kB is below limit 65536kB for oom_score_adj 12 Free memory is 16172kB above reserved lowmemorykiller: Killing 'syz-executor3' (8783) (tgid 8783), adj 1000, to free 52328kB on behalf of 'syz-executor4' (22141) because cache 32688kB is below limit 65536kB for oom_score_adj 12 Free memory is 39972kB above reserved lowmemorykiller: Killing 'syz-executor3' (8822) (tgid 8822), adj 1000, to free 52328kB on behalf of 'syz-executor4' (22141) because cache 29888kB is below limit 65536kB for oom_score_adj 12 Free memory is -13052kB above reserved lowmemorykiller: Killing 'syz-executor5' (19922) (tgid 19922), adj 1000, to free 52328kB on behalf of 'syz-executor4' (22141) because cache 27688kB is below limit 65536kB for oom_score_adj 12 Free memory is -12100kB above reserved lowmemorykiller: Killing 'syz-executor3' (12727) (tgid 12727), adj 1000, to free 52100kB on behalf of 'kswapd0' (33) because cache 27488kB is below limit 65536kB for oom_score_adj 12 Free memory is 2408kB above reserved lowmemorykiller: Killing 'syz-executor2' (11119) (tgid 11119), adj 1000, to free 51384kB on behalf of 'syz-executor4' (22141) because cache 27488kB is below limit 65536kB for oom_score_adj 12 Free memory is 35604kB above reserved lowmemorykiller: Killing 'syz-executor2' (3311) (tgid 3311), adj 1000, to free 51376kB on behalf of 'kswapd0' (33) because cache 27488kB is below limit 65536kB for oom_score_adj 12 Free memory is -9744kB above reserved lowmemorykiller: Killing 'syz-executor2' (4296) (tgid 4296), adj 1000, to free 51376kB on behalf of 'syz-executor4' (22141) because cache 26888kB is below limit 65536kB for oom_score_adj 12 Free memory is -13308kB above reserved lowmemorykiller: Killing 'syz-executor2' (18149) (tgid 18149), adj 1000, to free 51376kB on behalf of 'syz-executor4' (22141) because cache 23988kB is below limit 65536kB for oom_score_adj 12 Free memory is -9032kB above reserved lowmemorykiller: Killing 'syz-executor5' (5671) (tgid 5671), adj 1000, to free 51372kB on behalf of 'kswapd0' (33) because cache 23588kB is below limit 65536kB for oom_score_adj 12 Free memory is 19660kB above reserved lowmemorykiller: Killing 'syz-executor0' (17582) (tgid 17582), adj 1000, to free 51368kB on behalf of 'kswapd0' (33) because cache 23488kB is below limit 65536kB for oom_score_adj 12 Free memory is 42636kB above reserved lowmemorykiller: Killing 'syz-executor3' (4620) (tgid 4620), adj 1000, to free 51364kB on behalf of 'kswapd0' (33) because cache 23488kB is below limit 65536kB for oom_score_adj 12 Free memory is 58936kB above reserved lowmemorykiller: Killing 'syz-executor1' (6273) (tgid 6273), adj 1000, to free 51364kB on behalf of 'kswapd0' (33) because cache 23488kB is below limit 65536kB for oom_score_adj 12 Free memory is -9752kB above reserved lowmemorykiller: Killing 'syz-executor4' (12808) (tgid 12808), adj 1000, to free 51364kB on behalf of 'syz-executor4' (22141) because cache 15488kB is below limit 16384kB for oom_score_adj 6 Free memory is -13048kB above reserved lowmemorykiller: Killing 'syz-executor4' (3309) (tgid 3309), adj 1000, to free 48904kB on behalf of 'kswapd0' (33) because cache 15488kB is below limit 16384kB for oom_score_adj 6 Free memory is -9736kB above reserved lowmemorykiller: Killing 'syz-executor1' (7414) (tgid 7414), adj 1000, to free 47368kB on behalf of 'kswapd0' (33) because cache 15388kB is below limit 16384kB for oom_score_adj 6 Free memory is -9736kB above reserved lowmemorykiller: Killing 'syz-executor2' (7144) (tgid 7144), adj 1000, to free 47240kB on behalf of 'syz-executor4' (22141) because cache 13788kB is below limit 16384kB for oom_score_adj 6 Free memory is -13332kB above reserved lowmemorykiller: Killing 'syz-executor1' (9046) (tgid 9046), adj 1000, to free 45492kB on behalf of 'syz-executor4' (22141) because cache 13788kB is below limit 16384kB for oom_score_adj 6 Free memory is 468kB above reserved lowmemorykiller: Killing 'syz-executor2' (6777) (tgid 6777), adj 1000, to free 43496kB on behalf of 'kswapd0' (33) because cache 12288kB is below limit 16384kB for oom_score_adj 6 Free memory is -8632kB above reserved lowmemorykiller: Killing 'syz-executor2' (6832) (tgid 6832), adj 1000, to free 43496kB on behalf of 'kswapd0' (33) because cache 12288kB is below limit 16384kB for oom_score_adj 6 Free memory is 5568kB above reserved lowmemorykiller: Killing 'syz-executor3' (11963) (tgid 11963), adj 1000, to free 42588kB on behalf of 'kswapd0' (33) because cache 12288kB is below limit 16384kB for oom_score_adj 6 Free memory is 5768kB above reserved lowmemorykiller: Killing 'syz-executor1' (6686) (tgid 6686), adj 1000, to free 41996kB on behalf of 'kswapd0' (33) because cache 12188kB is below limit 16384kB for oom_score_adj 6 Free memory is -9768kB above reserved lowmemorykiller: Killing 'syz-executor3' (3998) (tgid 3998), adj 1000, to free 40232kB on behalf of 'kswapd0' (33) because cache 12188kB is below limit 16384kB for oom_score_adj 6 Free memory is -9268kB above reserved lowmemorykiller: Killing 'syz-executor5' (5660) (tgid 5660), adj 1000, to free 39280kB on behalf of 'syz-executor4' (22141) because cache 10388kB is below limit 16384kB for oom_score_adj 6 Free memory is -13300kB above reserved lowmemorykiller: Killing 'syz-executor4' (6347) (tgid 6347), adj 1000, to free 39184kB on behalf of 'syz-executor4' (22141) because cache 9888kB is below limit 16384kB for oom_score_adj 6 Free memory is -8100kB above reserved lowmemorykiller: Killing 'syz-executor4' (2687) (tgid 2687), adj 1000, to free 39176kB on behalf of 'syz-executor4' (22141) because cache 7888kB is below limit 8192kB for oom_score_adj 1 Free memory is -12708kB above reserved lowmemorykiller: Killing 'syz-executor3' (14885) (tgid 14885), adj 1000, to free 39172kB on behalf of 'syz-executor4' (22141) because cache 7488kB is below limit 8192kB for oom_score_adj 1 Free memory is -6508kB above reserved lowmemorykiller: Killing 'syz-executor1' (2805) (tgid 2805), adj 1000, to free 39040kB on behalf of 'kswapd0' (33) because cache 5988kB is below limit 6144kB for oom_score_adj 0 Free memory is -13180kB above reserved lowmemorykiller: Killing 'syz-executor4' (14500) (tgid 14500), adj 1000, to free 37464kB on behalf of 'kswapd0' (33) because cache 6088kB is below limit 16384kB for oom_score_adj 6 Free memory is 10428kB above reserved lowmemorykiller: Killing 'syz-executor2' (14933) (tgid 14933), adj 1000, to free 35952kB on behalf of 'kswapd0' (33) because cache 6088kB is below limit 16384kB for oom_score_adj 6 Free memory is 12636kB above reserved lowmemorykiller: Killing 'syz-executor1' (7154) (tgid 7154), adj 1000, to free 35944kB on behalf of 'syz-executor4' (22141) because cache 3560kB is below limit 6144kB for oom_score_adj 0 Free memory is -12224kB above reserved lowmemorykiller: Killing 'syz-executor1' (6675) (tgid 6675), adj 1000, to free 35932kB on behalf of 'syz-executor4' (22141) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is -13040kB above reserved lowmemorykiller: Killing 'syz-executor4' (12379) (tgid 12379), adj 1000, to free 35924kB on behalf of 'syz-executor4' (22141) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is -12240kB above reserved lowmemorykiller: Killing 'syz-executor2' (15031) (tgid 15031), adj 1000, to free 35916kB on behalf of 'syz-executor4' (22141) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is -7940kB above reserved lowmemorykiller: Killing 'syz-executor0' (18429) (tgid 18429), adj 1000, to free 35916kB on behalf of 'syz-executor4' (22141) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is -2832kB above reserved lowmemorykiller: Killing 'syz-executor0' (18942) (tgid 18942), adj 1000, to free 35908kB on behalf of 'kswapd0' (33) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is 176kB above reserved lowmemorykiller: Killing 'syz-executor0' (18462) (tgid 18462), adj 1000, to free 35916kB on behalf of 'syz-executor4' (22141) because cache 2808kB is below limit 6144kB for oom_score_adj 0 Free memory is -2432kB above reserved lowmemorykiller: Killing 'syz-executor0' (7587) (tgid 7587), adj 1000, to free 35884kB on behalf of 'syz-executor4' (22141) because cache 2408kB is below limit 6144kB for oom_score_adj 0 Free memory is -13268kB above reserved lowmemorykiller: Killing 'syz-executor1' (4677) (tgid 4677), adj 1000, to free 35880kB on behalf of 'syz-fuzzer' (2053) because cache 2408kB is below limit 6144kB for oom_score_adj 0 Free memory is -13268kB above reserved lowmemorykiller: Killing 'syz-executor4' (6695) (tgid 6695), adj 1000, to free 35812kB on behalf of 'kswapd0' (33) because cache 2408kB is below limit 6144kB for oom_score_adj 0 Free memory is -12568kB above reserved lowmemorykiller: Killing 'syz-executor1' (19427) (tgid 19427), adj 1000, to free 35572kB on behalf of 'syz-executor4' (22141) because cache 2264kB is below limit 6144kB for oom_score_adj 0 Free memory is -12096kB above reserved lowmemorykiller: Killing 'syz-executor0' (19204) (tgid 19204), adj 1000, to free 35568kB on behalf of 'syz-executor4' (22141) because cache 2264kB is below limit 6144kB for oom_score_adj 0 Free memory is -12096kB above reserved lowmemorykiller: Killing 'syz-executor0' (19260) (tgid 19260), adj 1000, to free 35528kB on behalf of 'syz-fuzzer' (2053) because cache 2264kB is below limit 6144kB for oom_score_adj 0 Free memory is -11884kB above reserved lowmemorykiller: Killing 'syz-executor2' (2419) (tgid 2419), adj 1000, to free 35524kB on behalf of 'syz-fuzzer' (2053) because cache 2264kB is below limit 6144kB for oom_score_adj 0 Free memory is -11572kB above reserved lowmemorykiller: Killing 'syz-executor5' (9054) (tgid 9054), adj 1000, to free 35288kB on behalf of 'kswapd0' (33) because cache 2164kB is below limit 6144kB for oom_score_adj 0 Free memory is -10164kB above reserved lowmemorykiller: Killing 'syz-executor4' (3620) (tgid 3620), adj 1000, to free 35284kB on behalf of 'kswapd0' (33) because cache 2312kB is below limit 6144kB for oom_score_adj 0 Free memory is -9964kB above reserved lowmemorykiller: Killing 'syz-executor2' (6382) (tgid 6382), adj 1000, to free 35284kB on behalf of 'syz-executor4' (22141) because cache 2312kB is below limit 6144kB for oom_score_adj 0 Free memory is -9364kB above reserved lowmemorykiller: Killing 'syz-executor4' (5458) (tgid 5458), adj 1000, to free 35284kB on behalf of 'kswapd0' (33) because cache 2312kB is below limit 6144kB for oom_score_adj 0 Free memory is -9664kB above reserved lowmemorykiller: Killing 'syz-executor2' (18307) (tgid 18307), adj 1000, to free 35156kB on behalf of 'syz-fuzzer' (2053) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12456kB above reserved lowmemorykiller: Killing 'syz-executor4' (18771) (tgid 18771), adj 1000, to free 35156kB on behalf of 'syz-executor4' (22141) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12156kB above reserved lowmemorykiller: Killing 'syz-executor1' (19598) (tgid 19598), adj 1000, to free 35104kB on behalf of 'kswapd0' (33) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -13236kB above reserved lowmemorykiller: Killing 'syz-executor4' (20069) (tgid 20069), adj 1000, to free 35064kB on behalf of 'syz-executor4' (22141) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12732kB above reserved lowmemorykiller: Killing 'syz-executor4' (20360) (tgid 20360), adj 1000, to free 35064kB on behalf of 'syz-executor4' (22141) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12732kB above reserved lowmemorykiller: Killing 'syz-executor4' (20069) (tgid 20069), adj 1000, to free 35064kB on behalf of 'kswapd0' (33) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12732kB above reserved lowmemorykiller: Killing 'syz-executor4' (20760) (tgid 20760), adj 1000, to free 35056kB on behalf of 'kswapd0' (33) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12552kB above reserved lowmemorykiller: Killing 'syz-executor4' (21587) (tgid 21587), adj 1000, to free 35056kB on behalf of 'kswapd0' (33) because cache 2212kB is below limit 6144kB for oom_score_adj 0 Free memory is -12452kB above reserved lowmemorykiller: Killing 'syz-executor4' (22132) (tgid 22130), adj 1000, to free 35028kB on behalf of 'syz-executor4' (22141) because cache 1912kB is below limit 6144kB for oom_score_adj 0 Free memory is -11240kB above reserved oom_reaper: reaped process 22141 (syz-executor4), now anon-rss:0kB, file-rss:16kB, shmem-rss:0kB syz-executor4: vmalloc: allocation failure, allocated 3593871360 of 4274020352 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 22141 Comm: syz-executor4 Not tainted 4.9.141+ #1 ffff8801c613f950 ffffffff81b42e79 1ffff10038c27f2c dffffc0000000000 ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801c613fa98 ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc.cold.31+0x7f/0x9c mm/page_alloc.c:3068 [] __vmalloc_area_node mm/vmalloc.c:1661 [inline] [] __vmalloc_node_range+0x3f8/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [] do_ipt_set_ctl+0x235/0x460 net/ipv4/netfilter/ip_tables.c:1693 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0x88/0xa0 net/ipv4/ip_sockglue.c:1249 [] udp_setsockopt+0x4a/0x90 net/ipv4/udp.c:2110 [] ipv6_setsockopt+0x10a/0x130 net/ipv6/ipv6_sockglue.c:912 [] tcp_setsockopt+0x88/0xe0 net/ipv4/tcp.c:2758 [] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1785 [inline] [] SyS_setsockopt+0x166/0x260 net/socket.c:1764 [] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:57952 inactive_anon:7882 isolated_anon:0 active_file:44 inactive_file:60 isolated_file:0 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:6359 slab_unreclaimable:62560 mapped:52247 shmem:8531 pagetables:5949 bounce:0 free:43 free_pcp:122 free_cma:0 Node 0 active_anon:231808kB inactive_anon:31528kB active_file:176kB inactive_file:240kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:208988kB dirty:0kB writeback:0kB shmem:34124kB writeback_tmp:0kB unstable:0kB pages_scanned:218 all_unreclaimable? no DMA32 free:48kB 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:3020132kB mlocked:0kB slab_reclaimable:240kB slab_unreclaimable:124kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB Normal free:124kB min:5580kB low:9168kB high:12756kB active_anon:231808kB inactive_anon:31528kB active_file:176kB inactive_file:240kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:25196kB slab_unreclaimable:250116kB kernel_stack:11008kB pagetables:23796kB bounce:0kB free_pcp:368kB local_pcp:72kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 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 313617 pages reserved lowmemorykiller: Killing 'syz-executor3' (6096) (tgid 6096), adj 1000, to free 34992kB on behalf of 'kswapd0' (33) because cache 504kB is below limit 6144kB for oom_score_adj 0 Free memory is -36932kB above reserved syz-fuzzer invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 CPU: 1 PID: 2053 Comm: syz-fuzzer Not tainted 4.9.141+ #1 ffff8801ce40f6f8 ffffffff81b42e79 ffff8801ce40fab8 ffffffff833e92b0 0000000000000000 ffff8801ce40fad0 0000000000000000 ffff8801ce40f778 ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __page_cache_alloc include/linux/pagemap.h:208 [inline] [] page_cache_read mm/filemap.c:2007 [inline] [] filemap_fault+0xaf1/0x1110 mm/filemap.c:2192 [] ext4_filemap_fault+0x71/0xa0 fs/ext4/inode.c:5853 [] __do_fault+0x223/0x500 mm/memory.c:2833 [] do_read_fault mm/memory.c:3180 [inline] [] do_fault mm/memory.c:3315 [inline] [] handle_pte_fault mm/memory.c:3516 [inline] [] __handle_mm_fault mm/memory.c:3603 [inline] [] handle_mm_fault+0x1326/0x2350 mm/memory.c:3640 [] __do_page_fault+0x403/0xa60 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:951 Mem-Info: active_anon:57927 inactive_anon:7882 isolated_anon:0 active_file:44 inactive_file:62 isolated_file:0 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:6359 slab_unreclaimable:62560 mapped:52247 shmem:8531 pagetables:5912 bounce:0 free:268 free_pcp:0 free_cma:0 Node 0 active_anon:231708kB inactive_anon:31528kB active_file:176kB inactive_file:248kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:208988kB dirty:0kB writeback:0kB shmem:34124kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:148kB 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:3020132kB mlocked:0kB slab_reclaimable:240kB slab_unreclaimable:124kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:924kB min:5580kB low:9168kB high:12756kB active_anon:231708kB inactive_anon:31528kB active_file:176kB inactive_file:252kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:25196kB slab_unreclaimable:250116kB kernel_stack:10976kB pagetables:23648kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 2*16kB (M) 2*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 132kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 184 16 3 0 -1000 udevd [ 1758] 0 1758 2492 573 10 3 0 0 dhclient [ 1889] 0 1889 14263 110 22 3 0 0 rsyslogd [ 1940] 0 1940 4724 50 15 3 0 0 cron [ 1959] 0 1959 3735 45 11 3 0 0 mcstransd [ 1970] 0 1970 12926 1231 27 3 0 0 restorecond [ 1990] 0 1990 12489 153 29 3 0 -1000 sshd [ 2020] 0 2020 3648 40 13 3 0 0 getty [ 2048] 0 2048 17820 198 38 3 0 0 sshd [ 2050] 0 2050 80178 47516 120 5 0 0 syz-fuzzer [ 2090] 0 2090 18079 15 23 3 0 0 syz-executor1 [ 2091] 0 2091 18079 15 23 4 0 0 syz-executor5 [ 2092] 0 2092 18079 15 23 3 0 0 syz-executor3 [ 2093] 0 2093 18079 16 23 3 0 0 syz-executor2 [ 2094] 0 2094 18079 15 23 3 0 0 syz-executor4 [ 2095] 0 2095 18078 8730 24 4 0 0 syz-executor3 [ 2097] 0 2097 18078 8732 24 5 0 0 syz-executor5 [ 2098] 0 2098 18078 8732 24 4 0 0 syz-executor1 [ 2099] 0 2099 18078 8731 24 4 0 0 syz-executor2 [ 2100] 0 2100 18078 8681 24 4 0 0 syz-executor4 [ 2309] 0 2309 5614 393 16 3 0 -1000 udevd [ 2318] 0 2318 18111 8699 24 3 0 1000 syz-executor4 [ 2382] 0 2382 18144 8710 25 3 0 1000 syz-executor4 [ 2436] 0 2436 18144 8742 34 5 0 1000 syz-executor5 [ 2620] 0 2620 18177 8744 26 4 0 1000 syz-executor1 [ 2759] 0 2759 18144 8744 26 4 0 1000 syz-executor4 [ 3020] 0 3020 18144 8742 27 5 0 1000 syz-executor5 [ 3207] 0 3207 18111 8709 25 3 0 1000 syz-executor2 [ 3209] 0 3209 18144 8711 25 3 0 1000 syz-executor2 [ 3210] 0 3210 18144 8711 25 3 0 1000 syz-executor2 [ 3212] 0 3212 18177 8713 25 3 0 1000 syz-executor2 [ 3262] 0 3262 18111 8711 25 3 0 1000 syz-executor2 [ 3367] 0 3367 18177 8712 26 4 0 1000 syz-executor5 [ 3506] 0 3506 18177 8744 27 5 0 1000 syz-executor5 [ 3819] 0 3819 18177 8747 28 5 0 1000 syz-executor5 [ 4113] 0 4113 18144 8710 25 3 0 1000 syz-executor1 [ 4256] 0 4256 18111 8711 25 3 0 1000 syz-executor2 [ 4564] 0 4564 18111 8710 25 3 0 1000 syz-executor3 [ 4565] 0 4565 18111 8701 24 3 0 1000 syz-executor4 [ 4630] 0 4630 18079 16 23 3 0 0 syz-executor0 [ 4648] 0 4648 18078 8733 24 4 0 0 syz-executor0 [ 4758] 0 4758 18177 8746 26 4 0 1000 syz-executor1 [ 4849] 0 4849 18111 8710 25 3 0 1000 syz-executor4 [ 4852] 0 4852 18144 8713 26 3 0 1000 syz-executor4 [ 4861] 0 4861 18111 8710 25 3 0 1000 syz-executor4 [ 4868] 0 4868 18144 8713 25 3 0 1000 syz-executor4 [ 4967] 0 4967 18111 8711 25 3 0 1000 syz-executor0 [ 5056] 0 5056 18111 8715 26 4 0 1000 syz-executor5 [ 5068] 0 5068 18144 8744 26 4 0 1000 syz-executor1 [ 5071] 0 5071 18144 8743 26 4 0 1000 syz-executor0 [ 5209] 0 5209 18144 8712 32 3 0 1000 syz-executor1 [ 5213] 0 5213 18144 8744 26 4 0 1000 syz-executor3 [ 5564] 0 5564 18111 8701 24 3 0 1000 syz-executor3 [ 5596] 0 5596 18111 8710 25 3 0 1000 syz-executor1 [ 5597] 0 5597 18111 8701 24 3 0 1000 syz-executor3 [ 5600] 0 5600 18111 8710 25 3 0 1000 syz-executor1 [ 5791] 0 5791 18177 8715 25 3 0 1000 syz-executor2 [ 5796] 0 5796 18210 8719 25 3 0 1000 syz-executor2 [ 5912] 0 5912 18111 8742 26 4 0 1000 syz-executor4 [ 6218] 0 6218 18111 8711 25 3 0 1000 syz-executor1 [ 6330] 0 6330 17665 8746 28 5 0 1000 syz-executor5 [ 6452] 0 6452 18177 8747 26 4 0 1000 syz-executor2 [ 6871] 0 6871 18144 8744 26 4 0 1000 syz-executor3 [ 7131] 0 7131 18144 8745 26 4 0 1000 syz-executor1 [ 7346] 0 7346 18111 8742 26 4 0 1000 syz-executor4 [ 7436] 0 7436 18111 8701 24 3 0 1000 syz-executor4 [ 7504] 0 7504 18144 8712 25 3 0 1000 syz-executor4 [ 7621] 0 7621 18111 8742 26 4 0 1000 syz-executor3 [ 7718] 0 7718 18144 8745 27 4 0 1000 syz-executor2 [ 7810] 0 7810 18111 8701 24 4 0 1000 syz-executor5 [ 7811] 0 7811 18111 8710 25 4 0 1000 syz-executor5 [ 7937] 0 7937 18111 8701 24 4 0 1000 syz-executor5 [ 7942] 0 7942 18111 8741 25 4 0 1000 syz-executor3 [ 7945] 0 7945 18111 8711 25 4 0 1000 syz-executor5 [ 7954] 0 7954 18111 8710 25 3 0 1000 syz-executor3 [ 7966] 0 7966 18111 8701 24 3 0 1000 syz-executor3 [ 7977] 0 7977 18177 8747 26 4 0 1000 syz-executor2 [ 7987] 0 7987 18177 8715 25 3 0 1000 syz-executor3 [ 8094] 0 8094 18210 8733 26 4 0 1000 syz-executor2 [ 8145] 0 8145 18243 8719 25 3 0 1000 syz-executor0 [ 8150] 0 8150 18210 8733 26 4 0 1000 syz-executor2 [ 8163] 0 8163 18144 8729 26 4 0 1000 syz-executor2 [ 8229] 0 8229 18111 8701 24 4 0 1000 syz-executor5 [ 8275] 0 8275 18111 8709 24 3 0 1000 syz-executor3 [ 8290] 0 8290 18144 8713 26 4 0 1000 syz-executor5 [ 8310] 0 8310 18111 8701 24 4 0 1000 syz-executor5 [ 8319] 0 8319 18210 8733 26 4 0 1000 syz-executor2 [ 8326] 0 8326 18210 8715 25 3 0 1000 syz-executor3 [ 8344] 0 8344 18111 8710 25 3 0 1000 syz-executor3 [ 8348] 0 8348 18144 8712 25 3 0 1000 syz-executor3 [ 8376] 0 8376 18210 8733 26 4 0 1000 syz-executor2 [ 8695] 0 8695 18111 8742 26 4 0 1000 syz-executor1 [ 8956] 0 8956 18177 8745 27 5 0 1000 syz-executor5 [ 9131] 0 9131 18177 8746 26 4 0 1000 syz-executor3 [ 9141] 0 9141 18177 8746 26 4 0 1000 syz-executor3 [ 9203] 0 9203 18111 8701 24 4 0 1000 syz-executor5 [ 9221] 0 9221 18177 8715 27 4 0 1000 syz-executor5 [ 9362] 0 9362 18111 8701 24 3 0 1000 syz-executor4 [ 9409] 0 9409 18177 8715 26 3 0 1000 syz-executor4 [ 9665] 0 9665 18144 8744 26 4 0 1000 syz-executor3 [ 9681] 0 9681 18111 8710 25 3 0 1000 syz-executor3 [ 9683] 0 9683 18144 8712 25 3 0 1000 syz-executor3 [ 9707] 0 9707 18111 8742 26 5 0 1000 syz-executor5 [ 9894] 0 9894 18144 8744 26 4 0 1000 syz-executor1 [10036] 0 10036 18144 8744 26 4 0 1000 syz-executor1 [10103] 0 10103 18111 8701 24 3 0 1000 syz-executor3 [10141] 0 10141 18210 8716 25 3 0 1000 syz-executor3 [10310] 0 10310 18177 8746 27 5 0 1000 syz-executor5 [10354] 0 10354 18144 8713 25 3 0 1000 syz-executor2 [10378] 0 10378 18243 8719 25 3 0 1000 syz-executor2 [10427] 0 10427 18111 8709 24 4 0 1000 syz-executor5 [10477] 0 10477 18177 8748 26 4 0 1000 syz-executor2 [10517] 0 10517 18177 8748 26 4 0 1000 syz-executor2 [10598] 0 10598 18177 8746 26 4 0 1000 syz-executor3 [10683] 0 10683 5614 393 16 3 0 -1000 udevd [10722] 0 10722 18144 8744 26 4 0 1000 syz-executor3 [10878] 0 10878 18200 8745 33 4 0 1000 syz-executor0 [11079] 0 11079 18177 8715 25 3 0 1000 syz-executor2 [11236] 0 11236 18144 8744 27 5 0 1000 syz-executor5 [11342] 0 11342 18111 8710 25 4 0 1000 syz-executor5 [11358] 0 11358 18177 8714 26 4 0 1000 syz-executor5 [11634] 0 11634 18144 8744 26 4 0 1000 syz-executor4 [11637] 0 11637 18144 8747 27 4 0 1000 syz-executor2 [11658] 0 11658 18177 8746 26 4 0 1000 syz-executor1 [11771] 0 11771 18144 8745 26 4 0 1000 syz-executor1 [11824] 0 11824 18177 8746 26 4 0 4 syz-executor4 [11912] 0 11912 18111 8742 26 5 0 1000 syz-executor5 [11979] 0 11979 16160 8748 26 4 0 1000 syz-executor1 [12092] 0 12092 18210 8733 26 4 0 1000 syz-executor2 [12136] 0 12136 18210 8733 26 4 0 1000 syz-executor2 [12258] 0 12258 18111 8701 24 3 0 1000 syz-executor4 [12267] 0 12267 18111 8743 26 4 0 1000 syz-executor0 [12284] 0 12284 18177 8715 26 3 0 1000 syz-executor4 [12310] 0 12310 18111 8702 24 3 0 1000 syz-executor0 [12311] 0 12311 18111 8702 25 3 0 1000 syz-executor4 [12327] 0 12327 18177 8716 26 3 0 1000 syz-executor0 [12366] 0 12366 18144 8745 26 4 0 1000 syz-executor2 [12370] 0 12370 18243 8719 26 3 0 1000 syz-executor4 [12486] 0 12486 18111 8742 26 4 0 1000 syz-executor1 [12501] 0 12501 18111 8710 25 3 0 1000 syz-executor3 [12547] 0 12547 18111 8710 25 3 0 1000 syz-executor3 [12563] 0 12563 18111 8710 25 3 0 1000 syz-executor1 [12588] 0 12588 18144 8715 26 3 0 1000 syz-executor1 [12591] 0 12591 18142 8712 25 3 0 1000 syz-executor1 [12599] 0 12599 18142 8715 26 3 0 1000 syz-executor1 [12609] 0 12609 18144 8745 27 4 0 1000 syz-executor0 [12686] 0 12686 18111 8701 24 3 0 1000 syz-executor3 [12711] 0 12711 18111 8711 25 3 0 1000 syz-executor1 [12721] 0 12721 18144 8714 25 3 0 1000 syz-executor1 [12740] 0 12740 17632 8744 27 4 0 1000 syz-executor3 [12753] 0 12753 17632 8744 27 4 0 1000 syz-executor3 [12780] 0 12780 18144 8712 25 3 0 1000 syz-executor4 [12892] 0 12892 18144 8744 27 5 0 1000 syz-executor5 [12918] 0 12918 18177 8748 26 4 0 1000 syz-executor0 [13049] 0 13049 18111 8743 26 4 0 1000 syz-executor2 [13133] 0 13133 18177 8746 26 4 0 1000 syz-executor1 [13231] 0 13231 18174 8746 26 4 0 1000 syz-executor1 [13291] 0 13291 18111 8701 24 4 0 1000 syz-executor5 [13292] 0 13292 18177 8747 27 5 0 1000 syz-executor5 [13298] 0 13298 18111 8711 25 4 0 1000 syz-executor5 [13625] 0 13625 18144 8746 27 4 0 1000 syz-executor1 [13727] 0 13727 18177 8746 27 5 0 1000 syz-executor5 [13758] 0 13758 18111 8743 26 4 0 1000 syz-executor2 [13777] 0 13777 18111 8743 26 4 0 1000 syz-executor2 [13921] 0 13921 18111 8711 25 3 0 1000 syz-executor2 [14317] 0 14317 18144 8745 26 4 0 1000 syz-executor4 [14366] 0 14366 18145 8745 26 4 0 1000 syz-executor3 [14604] 0 14604 5581 374 16 3 0 -1000 udevd [14647] 0 14647 18111 8710 25 3 0 1000 syz-executor3 [14652] 0 14652 18144 8713 25 3 0 1000 syz-executor3 [14726] 0 14726 18111 8710 25 3 0 1000 syz-executor3 [14729] 0 14729 18144 8712 25 3 0 1000 syz-executor3 [14857] 0 14857 18177 8746 26 4 0 1000 syz-executor4 [15734] 0 15734 18144 8747 27 4 0 1000 syz-executor0 [15743] 0 15743 18144 8744 26 4 0 1000 syz-executor4 [15763] 0 15763 5383 185 15 3 0 -1000 udevd [15785] 0 15785 18144 8744 26 4 0 1000 syz-executor1 [16221] 0 16221 18144 8744 26 4 0 1000 syz-executor4 [16249] 0 16249 18144 8744 26 4 0 1000 syz-executor4 [16292] 0 16292 18144 8744 26 4 0 1000 syz-executor4 [16381] 0 16381 18144 8744 26 4 0 1000 syz-executor4 [16630] 0 16630 18177 8746 26 4 0 1000 syz-executor3 [16657] 0 16657 18111 8702 24 3 0 1000 syz-executor0 [16658] 0 16658 18111 8711 25 3 0 1000 syz-executor0 [16958] 0 16958 18177 8747 26 4 0 1000 syz-executor0 [16994] 0 16994 18144 8712 25 3 0 1000 syz-executor4 [17020] 0 17020 18144 8713 25 3 0 1000 syz-executor0 [17026] 0 17026 18144 8712 25 3 0 1000 syz-executor4 [17028] 0 17028 18177 8746 26 4 0 1000 syz-executor1 [17072] 0 17072 18144 8712 25 3 0 1000 syz-executor4 [17108] 0 17108 18144 8744 26 4 0 1000 syz-executor4 [17134] 0 17134 18144 8744 26 4 0 1000 syz-executor4 [17154] 0 17154 18144 8744 26 4 0 1000 syz-executor4 [17554] 0 17554 18111 8710 24 3 0 1000 syz-executor0 [17941] 0 17941 18177 8748 26 4 0 1000 syz-executor1 [18078] 0 18078 18111 8711 25 3 0 1000 syz-executor2 [18083] 0 18083 18177 8715 25 3 0 1000 syz-executor2 [18130] 0 18130 18111 8710 24 3 0 1000 syz-executor2 [18811] 0 18811 18144 8744 26 4 0 1000 syz-executor4 [18963] 0 18963 18111 8745 26 4 0 1000 syz-executor0 [19004] 0 19004 18177 8746 26 4 0 1000 syz-executor4 [19122] 0 19122 18144 8748 27 4 0 1000 syz-executor0 [19563] 0 19563 18144 8745 26 4 0 1000 syz-executor2 [19600] 0 19600 18109 8712 25 3 0 1000 syz-executor1 [19621] 0 19621 18144 8712 25 3 0 1000 syz-executor4 [19642] 0 19642 18210 8716 25 3 0 1000 syz-executor4 [19652] 0 19652 18111 8744 25 4 0 1000 syz-executor0 [19722] 0 19722 18111 8703 24 4 0 1000 syz-executor5 [19743] 0 19743 18177 8746 26 4 0 1000 syz-executor4 [19748] 0 19748 18144 8745 26 4 0 1000 syz-executor1 [20029] 0 20029 18144 8746 26 4 0 1000 syz-executor1 [20044] 0 20044 18111 8745 26 5 0 1000 syz-executor5 [20387] 0 20387 18210 8734 27 5 0 1000 syz-executor5 [20454] 0 20454 18210 8734 27 5 0 1000 syz-executor5 [20564] 0 20564 18111 8744 26 4 0 1000 syz-executor1 [20641] 0 20641 18111 8712 25 3 0 1000 syz-executor1 [20687] 0 20687 18111 8713 25 3 0 1000 syz-executor0 [20714] 0 20714 18144 8716 26 3 0 1000 syz-executor0 [20757] 0 20757 18144 8714 26 4 0 1000 syz-executor5 [20815] 0 20815 18210 8718 26 4 0 1000 syz-executor5 [20852] 0 20852 18111 8744 26 5 0 1000 syz-executor5 [20935] 0 20935 18111 8716 26 3 0 1000 syz-executor2 [21026] 0 21026 18177 8714 25 3 0 1000 syz-executor4 [21032] 0 21032 18177 8714 25 3 0 1000 syz-executor4 [21089] 0 21089 18144 8744 26 4 0 1000 syz-executor4 [21160] 0 21160 18111 8744 26 4 0 1000 syz-executor1 [21196] 0 21196 18144 8746 27 5 0 1000 syz-executor5 [21243] 0 21243 18111 8711 25 3 0 1000 syz-executor2 [21711] 0 21711 18111 8710 25 3 0 1000 syz-executor4 [21715] 0 21715 18144 8712 25 3 0 1000 syz-executor4 [21729] 0 21729 18144 8747 27 5 0 1000 syz-executor5 [21936] 0 21936 18111 8744 25 4 0 1000 syz-executor0 [21989] 0 21989 18177 8717 25 3 0 1000 syz-executor0 [21998] 0 21998 18177 8732 27 5 0 1000 syz-executor5 [22009] 0 22009 18243 8721 25 3 0 1000 syz-executor0 [22060] 0 22060 18177 8732 27 5 0 1000 syz-executor5 [22132] 0 22130 18210 4 26 4 0 1000 syz-executor4 [22133] 0 22133 18111 8711 25 3 0 1000 syz-executor2 [22136] 0 22136 18144 8714 26 3 0 1000 syz-executor2 [22193] 0 22193 81 1 3 3 0 -1000 blkid Out of memory: Kill process 10878 (syz-executor0) score 1005 or sacrifice child Killed process 10878 (syz-executor0) total-vm:72800kB, anon-rss:164kB, file-rss:34816kB, shmem-rss:0kB syz-executor0 invoked oom-killer: gfp_mask=0x2420848(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 10878 Comm: syz-executor0 Not tainted 4.9.141+ #1 ffff8801cb65f0b0 ffffffff81b42e79 ffff8801cb65f470 ffffffff833e92b0 00000000000003e8 ffff8801cb65f488 0000000000000000 ffff8801cb65f130 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x161f/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __page_cache_alloc include/linux/pagemap.h:208 [inline] [] pagecache_get_page+0x244/0x710 mm/filemap.c:1237 [] find_or_create_page include/linux/pagemap.h:309 [inline] [] grow_dev_page fs/buffer.c:1005 [inline] [] grow_buffers fs/buffer.c:1078 [inline] [] __getblk_slow fs/buffer.c:1105 [inline] [] __getblk_gfp+0x240/0x700 fs/buffer.c:1386 [] sb_getblk include/linux/buffer_head.h:318 [inline] [] __ext4_get_inode_loc+0x33c/0xef0 fs/ext4/inode.c:4308 [] ext4_get_inode_loc fs/ext4/inode.c:4421 [inline] [] ext4_reserve_inode_write+0x57/0x180 fs/ext4/inode.c:5487 [] ext4_mark_inode_dirty+0x13d/0xb40 fs/ext4/inode.c:5556 [] ext4_evict_inode+0x69f/0x1230 fs/ext4/inode.c:258 [] evict+0x2d9/0x620 fs/inode.c:553 [] iput_final fs/inode.c:1516 [inline] [] iput+0x371/0x900 fs/inode.c:1543 [] dentry_unlink_inode+0x265/0x320 fs/dcache.c:368 [] __dentry_kill+0x322/0x5b0 fs/dcache.c:570 [] dentry_kill fs/dcache.c:611 [inline] [] dput.part.9+0x4f7/0x7a0 fs/dcache.c:828 [] dput+0x1f/0x30 fs/dcache.c:790 [] __fput+0x42f/0x700 fs/file_table.c:226 [] ____fput+0x15/0x20 fs/file_table.c:244 [] task_work_run+0x10c/0x180 kernel/task_work.c:116 [] exit_task_work include/linux/task_work.h:21 [inline] [] do_exit+0x78d/0x2a50 kernel/exit.c:833 [] do_group_exit+0x111/0x300 kernel/exit.c:937 [] get_signal+0x4e1/0x1460 kernel/signal.c:2321 [] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158 [] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [] do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:57902 inactive_anon:7882 isolated_anon:0 active_file:44 inactive_file:48 isolated_file:0 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:6359 slab_unreclaimable:62560 mapped:52247 shmem:8531 pagetables:5875 bounce:0 free:268 free_pcp:107 free_cma:0 Node 0 active_anon:231608kB inactive_anon:31528kB active_file:176kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:208988kB dirty:0kB writeback:0kB shmem:34124kB writeback_tmp:0kB unstable:0kB pages_scanned:392 all_unreclaimable? no DMA32 free:148kB 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:3020132kB mlocked:0kB slab_reclaimable:240kB slab_unreclaimable:124kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:924kB min:5580kB low:9168kB high:12756kB active_anon:231608kB inactive_anon:31528kB active_file:176kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:25196kB slab_unreclaimable:250116kB kernel_stack:10976kB pagetables:23500kB bounce:0kB free_pcp:428kB local_pcp:0kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 2*16kB (M) 2*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 132kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 184 16 3 0 -1000 udevd [ 1758] 0 1758 2492 573 10 3 0 0 dhclient [ 1889] 0 1889 14263 110 22 3 0 0 rsyslogd [ 1940] 0 1940 4724 50 15 3 0 0 cron [ 1959] 0 1959 3735 45 11 3 0 0 mcstransd [ 1970] 0 1970 12926 1231 27 3 0 0 restorecond [ 1990] 0 1990 12489 153 29 3 0 -1000 sshd [ 2020] 0 2020 3648 40 13 3 0 0 getty [ 2048] 0 2048 17820 198 38 3 0 0 sshd [ 2050] 0 2050 80178 47516 120 5 0 0 syz-fuzzer [ 2090] 0 2090 18079 15 23 3 0 0 syz-executor1 [ 2091] 0 2091 18079 15 23 4 0 0 syz-executor5 [ 2092] 0 2092 18079 15 23 3 0 0 syz-executor3 [ 2093] 0 2093 18079 16 23 3 0 0 syz-executor2 [ 2094] 0 2094 18079 15 23 3 0 0 syz-executor4 [ 2095] 0 2095 18078 8730 24 4 0 0 syz-executor3 [ 2097] 0 2097 18078 8732 24 5 0 0 syz-executor5 [ 2098] 0 2098 18078 8732 24 4 0 0 syz-executor1 [ 2099] 0 2099 18078 8731 24 4 0 0 syz-executor2 [ 2100] 0 2100 18078 8678 24 4 0 0 syz-executor4 [ 2309] 0 2309 5614 393 16 3 0 -1000 udevd [ 2318] 0 2318 18111 8699 24 3 0 1000 syz-executor4 [ 2382] 0 2382 18144 8710 25 3 0 1000 syz-executor4 [ 2436] 0 2436 18144 8742 34 5 0 1000 syz-executor5 [ 2620] 0 2620 18177 8744 26 4 0 1000 syz-executor1 [ 2759] 0 2759 18144 8744 26 4 0 1000 syz-executor4 [ 3020] 0 3020 18144 8742 27 5 0 1000 syz-executor5 [ 3207] 0 3207 18111 8709 25 3 0 1000 syz-executor2 [ 3209] 0 3209 18144 8711 25 3 0 1000 syz-executor2 [ 3210] 0 3210 18144 8711 25 3 0 1000 syz-executor2 [ 3212] 0 3212 18177 8713 25 3 0 1000 syz-executor2 [ 3262] 0 3262 18111 8711 25 3 0 1000 syz-executor2 [ 3367] 0 3367 18177 8712 26 4 0 1000 syz-executor5 [ 3506] 0 3506 18177 8744 27 5 0 1000 syz-executor5 [ 3819] 0 3819 18177 8747 28 5 0 1000 syz-executor5 [ 4113] 0 4113 18144 8710 25 3 0 1000 syz-executor1 [ 4256] 0 4256 18111 8711 25 3 0 1000 syz-executor2 [ 4564] 0 4564 18111 8710 25 3 0 1000 syz-executor3 [ 4565] 0 4565 18111 8701 24 3 0 1000 syz-executor4 [ 4630] 0 4630 18079 16 23 3 0 0 syz-executor0 [ 4648] 0 4648 18078 8733 24 4 0 0 syz-executor0 [ 4758] 0 4758 18177 8746 26 4 0 1000 syz-executor1 [ 4849] 0 4849 18111 8710 25 3 0 1000 syz-executor4 [ 4852] 0 4852 18144 8713 26 3 0 1000 syz-executor4 [ 4861] 0 4861 18111 8710 25 3 0 1000 syz-executor4 [ 4868] 0 4868 18144 8713 25 3 0 1000 syz-executor4 [ 4967] 0 4967 18111 8711 25 3 0 1000 syz-executor0 [ 5056] 0 5056 18111 8715 26 4 0 1000 syz-executor5 [ 5068] 0 5068 18144 8744 26 4 0 1000 syz-executor1 [ 5071] 0 5071 18144 8743 26 4 0 1000 syz-executor0 [ 5209] 0 5209 18144 8712 32 3 0 1000 syz-executor1 [ 5213] 0 5213 18144 8744 26 4 0 1000 syz-executor3 [ 5564] 0 5564 18111 8701 24 3 0 1000 syz-executor3 [ 5596] 0 5596 18111 8710 25 3 0 1000 syz-executor1 [ 5597] 0 5597 18111 8701 24 3 0 1000 syz-executor3 [ 5600] 0 5600 18111 8710 25 3 0 1000 syz-executor1 [ 5791] 0 5791 18177 8715 25 3 0 1000 syz-executor2 [ 5796] 0 5796 18210 8719 25 3 0 1000 syz-executor2 [ 5912] 0 5912 18111 8742 26 4 0 1000 syz-executor4 [ 6218] 0 6218 18111 8711 25 3 0 1000 syz-executor1 [ 6330] 0 6330 17665 8746 28 5 0 1000 syz-executor5 [ 6452] 0 6452 18177 8747 26 4 0 1000 syz-executor2 [ 6871] 0 6871 18144 8744 26 4 0 1000 syz-executor3 [ 7131] 0 7131 18144 8745 26 4 0 1000 syz-executor1 [ 7346] 0 7346 18111 8742 26 4 0 1000 syz-executor4 [ 7436] 0 7436 18111 8701 24 3 0 1000 syz-executor4 [ 7504] 0 7504 18144 8712 25 3 0 1000 syz-executor4 [ 7621] 0 7621 18111 8742 26 4 0 1000 syz-executor3 [ 7718] 0 7718 18144 8745 27 4 0 1000 syz-executor2 [ 7810] 0 7810 18111 8701 24 4 0 1000 syz-executor5 [ 7811] 0 7811 18111 8710 25 4 0 1000 syz-executor5 [ 7937] 0 7937 18111 8701 24 4 0 1000 syz-executor5 [ 7942] 0 7942 18111 8741 25 4 0 1000 syz-executor3 [ 7945] 0 7945 18111 8711 25 4 0 1000 syz-executor5 [ 7954] 0 7954 18111 8710 25 3 0 1000 syz-executor3 [ 7966] 0 7966 18111 8701 24 3 0 1000 syz-executor3 [ 7977] 0 7977 18177 8747 26 4 0 1000 syz-executor2 [ 7987] 0 7987 18177 8715 25 3 0 1000 syz-executor3 [ 8094] 0 8094 18210 8733 26 4 0 1000 syz-executor2 [ 8145] 0 8145 18243 8719 25 3 0 1000 syz-executor0 [ 8150] 0 8150 18210 8733 26 4 0 1000 syz-executor2 [ 8163] 0 8163 18144 8729 26 4 0 1000 syz-executor2 [ 8229] 0 8229 18111 8701 24 4 0 1000 syz-executor5 [ 8275] 0 8275 18111 8709 24 3 0 1000 syz-executor3 [ 8290] 0 8290 18144 8713 26 4 0 1000 syz-executor5 [ 8310] 0 8310 18111 8701 24 4 0 1000 syz-executor5 [ 8319] 0 8319 18210 8733 26 4 0 1000 syz-executor2 [ 8326] 0 8326 18210 8715 25 3 0 1000 syz-executor3 [ 8344] 0 8344 18111 8710 25 3 0 1000 syz-executor3 [ 8348] 0 8348 18144 8712 25 3 0 1000 syz-executor3 [ 8376] 0 8376 18210 8733 26 4 0 1000 syz-executor2 [ 8695] 0 8695 18111 8742 26 4 0 1000 syz-executor1 [ 8956] 0 8956 18177 8745 27 5 0 1000 syz-executor5 [ 9131] 0 9131 18177 8746 26 4 0 1000 syz-executor3 [ 9141] 0 9141 18177 8746 26 4 0 1000 syz-executor3 [ 9203] 0 9203 18111 8701 24 4 0 1000 syz-executor5 [ 9221] 0 9221 18177 8715 27 4 0 1000 syz-executor5 [ 9362] 0 9362 18111 8701 24 3 0 1000 syz-executor4 [ 9409] 0 9409 18177 8715 26 3 0 1000 syz-executor4 [ 9665] 0 9665 18144 8744 26 4 0 1000 syz-executor3 [ 9681] 0 9681 18111 8710 25 3 0 1000 syz-executor3 [ 9683] 0 9683 18144 8712 25 3 0 1000 syz-executor3 [ 9707] 0 9707 18111 8742 26 5 0 1000 syz-executor5 [ 9894] 0 9894 18144 8744 26 4 0 1000 syz-executor1 [10036] 0 10036 18144 8744 26 4 0 1000 syz-executor1 [10103] 0 10103 18111 8701 24 3 0 1000 syz-executor3 [10141] 0 10141 18210 8716 25 3 0 1000 syz-executor3 [10310] 0 10310 18177 8746 27 5 0 1000 syz-executor5 [10354] 0 10354 18144 8713 25 3 0 1000 syz-executor2 [10378] 0 10378 18243 8719 25 3 0 1000 syz-executor2 [10427] 0 10427 18111 8709 24 4 0 1000 syz-executor5 [10477] 0 10477 18177 8748 26 4 0 1000 syz-executor2 [10517] 0 10517 18177 8748 26 4 0 1000 syz-executor2 [10598] 0 10598 18177 8746 26 4 0 1000 syz-executor3 [10683] 0 10683 5614 393 16 3 0 -1000 udevd [10722] 0 10722 18144 8744 26 4 0 1000 syz-executor3 [11079] 0 11079 18177 8715 25 3 0 1000 syz-executor2 [11236] 0 11236 18144 8744 27 5 0 1000 syz-executor5 [11342] 0 11342 18111 8710 25 4 0 1000 syz-executor5 [11358] 0 11358 18177 8714 26 4 0 1000 syz-executor5 [11634] 0 11634 18144 8744 26 4 0 1000 syz-executor4 [11637] 0 11637 18144 8747 27 4 0 1000 syz-executor2 [11658] 0 11658 18177 8746 26 4 0 1000 syz-executor1 [11771] 0 11771 18144 8745 26 4 0 1000 syz-executor1 [11824] 0 11824 18177 8746 26 4 0 4 syz-executor4 [11912] 0 11912 18111 8742 26 5 0 1000 syz-executor5 [11979] 0 11979 16160 8748 26 4 0 1000 syz-executor1 [12092] 0 12092 18210 8733 26 4 0 1000 syz-executor2 [12136] 0 12136 18210 8733 26 4 0 1000 syz-executor2 [12258] 0 12258 18111 8701 24 3 0 1000 syz-executor4 [12267] 0 12267 18111 8743 26 4 0 1000 syz-executor0 [12284] 0 12284 18177 8715 26 3 0 1000 syz-executor4 [12310] 0 12310 18111 8702 24 3 0 1000 syz-executor0 [12311] 0 12311 18111 8702 25 3 0 1000 syz-executor4 [12327] 0 12327 18177 8716 26 3 0 1000 syz-executor0 [12366] 0 12366 18144 8745 26 4 0 1000 syz-executor2 [12370] 0 12370 18243 8719 26 3 0 1000 syz-executor4 [12486] 0 12486 18111 8742 26 4 0 1000 syz-executor1 [12501] 0 12501 18111 8710 25 3 0 1000 syz-executor3 [12547] 0 12547 18111 8710 25 3 0 1000 syz-executor3 [12563] 0 12563 18111 8710 25 3 0 1000 syz-executor1 [12588] 0 12588 18144 8715 26 3 0 1000 syz-executor1 [12591] 0 12591 18142 8712 25 3 0 1000 syz-executor1 [12599] 0 12599 18142 8715 26 3 0 1000 syz-executor1 [12609] 0 12609 18144 8745 27 4 0 1000 syz-executor0 [12686] 0 12686 18111 8701 24 3 0 1000 syz-executor3 [12711] 0 12711 18111 8711 25 3 0 1000 syz-executor1 [12721] 0 12721 18144 8714 25 3 0 1000 syz-executor1 [12740] 0 12740 17632 8744 27 4 0 1000 syz-executor3 [12753] 0 12753 17632 8744 27 4 0 1000 syz-executor3 [12780] 0 12780 18144 8712 25 3 0 1000 syz-executor4 [12892] 0 12892 18144 8744 27 5 0 1000 syz-executor5 [12918] 0 12918 18177 8748 26 4 0 1000 syz-executor0 [13049] 0 13049 18111 8743 26 4 0 1000 syz-executor2 [13133] 0 13133 18177 8746 26 4 0 1000 syz-executor1 [13231] 0 13231 18174 8746 26 4 0 1000 syz-executor1 [13291] 0 13291 18111 8701 24 4 0 1000 syz-executor5 [13292] 0 13292 18177 8747 27 5 0 1000 syz-executor5 [13298] 0 13298 18111 8711 25 4 0 1000 syz-executor5 [13625] 0 13625 18144 8746 27 4 0 1000 syz-executor1 [13727] 0 13727 18177 8746 27 5 0 1000 syz-executor5 [13758] 0 13758 18111 8743 26 4 0 1000 syz-executor2 [13777] 0 13777 18111 8743 26 4 0 1000 syz-executor2 [13921] 0 13921 18111 8711 25 3 0 1000 syz-executor2 [14317] 0 14317 18144 8745 26 4 0 1000 syz-executor4 [14366] 0 14366 18145 8745 26 4 0 1000 syz-executor3 [14604] 0 14604 5581 374 16 3 0 -1000 udevd [14647] 0 14647 18111 8710 25 3 0 1000 syz-executor3 [14652] 0 14652 18144 8713 25 3 0 1000 syz-executor3 [14726] 0 14726 18111 8710 25 3 0 1000 syz-executor3 [14729] 0 14729 18144 8712 25 3 0 1000 syz-executor3 [14857] 0 14857 18177 8746 26 4 0 1000 syz-executor4 [15734] 0 15734 18144 8747 27 4 0 1000 syz-executor0 [15743] 0 15743 18144 8744 26 4 0 1000 syz-executor4 [15763] 0 15763 5383 185 15 3 0 -1000 udevd [15785] 0 15785 18144 8744 26 4 0 1000 syz-executor1 [16221] 0 16221 18144 8744 26 4 0 1000 syz-executor4 [16249] 0 16249 18144 8744 26 4 0 1000 syz-executor4 [16292] 0 16292 18144 8744 26 4 0 1000 syz-executor4 [16381] 0 16381 18144 8744 26 4 0 1000 syz-executor4 [16630] 0 16630 18177 8746 26 4 0 1000 syz-executor3 [16657] 0 16657 18111 8702 24 3 0 1000 syz-executor0 [16658] 0 16658 18111 8711 25 3 0 1000 syz-executor0 [16958] 0 16958 18177 8747 26 4 0 1000 syz-executor0 [16994] 0 16994 18144 8712 25 3 0 1000 syz-executor4 [17020] 0 17020 18144 8713 25 3 0 1000 syz-executor0 [17026] 0 17026 18144 8712 25 3 0 1000 syz-executor4 [17028] 0 17028 18177 8746 26 4 0 1000 syz-executor1 [17072] 0 17072 18144 8712 25 3 0 1000 syz-executor4 [17108] 0 17108 18144 8744 26 4 0 1000 syz-executor4 [17134] 0 17134 18144 8744 26 4 0 1000 syz-executor4 [17154] 0 17154 18144 8744 26 4 0 1000 syz-executor4 [17554] 0 17554 18111 8710 24 3 0 1000 syz-executor0 [17941] 0 17941 18177 8748 26 4 0 1000 syz-executor1 [18078] 0 18078 18111 8711 25 3 0 1000 syz-executor2 [18083] 0 18083 18177 8715 25 3 0 1000 syz-executor2 [18130] 0 18130 18111 8710 24 3 0 1000 syz-executor2 [18811] 0 18811 18144 8744 26 4 0 1000 syz-executor4 [18963] 0 18963 18111 8745 26 4 0 1000 syz-executor0 [19004] 0 19004 18177 8746 26 4 0 1000 syz-executor4 [19122] 0 19122 18144 8748 27 4 0 1000 syz-executor0 [19563] 0 19563 18144 8745 26 4 0 1000 syz-executor2 [19600] 0 19600 18109 8712 25 3 0 1000 syz-executor1 [19621] 0 19621 18144 8712 25 3 0 1000 syz-executor4 [19642] 0 19642 18210 8716 25 3 0 1000 syz-executor4 [19652] 0 19652 18111 8744 25 4 0 1000 syz-executor0 [19722] 0 19722 18111 8703 24 4 0 1000 syz-executor5 [19743] 0 19743 18177 8746 26 4 0 1000 syz-executor4 [19748] 0 19748 18144 8745 26 4 0 1000 syz-executor1 [20029] 0 20029 18144 8746 26 4 0 1000 syz-executor1 [20044] 0 20044 18111 8745 26 5 0 1000 syz-executor5 [20387] 0 20387 18210 8734 27 5 0 1000 syz-executor5 [20454] 0 20454 18210 8734 27 5 0 1000 syz-executor5 [20564] 0 20564 18111 8744 26 4 0 1000 syz-executor1 [20641] 0 20641 18111 8712 25 3 0 1000 syz-executor1 [20687] 0 20687 18111 8713 25 3 0 1000 syz-executor0 [20714] 0 20714 18144 8716 26 3 0 1000 syz-executor0 [20757] 0 20757 18144 8714 26 4 0 1000 syz-executor5 [20815] 0 20815 18210 8718 26 4 0 1000 syz-executor5 [20852] 0 20852 18111 8744 26 5 0 1000 syz-executor5 [20935] 0 20935 18111 8716 26 3 0 1000 syz-executor2 [21026] 0 21026 18177 8714 25 3 0 1000 syz-executor4 [21032] 0 21032 18177 8714 25 3 0 1000 syz-executor4 [21089] 0 21089 18144 8744 26 4 0 1000 syz-executor4 [21160] 0 21160 18111 8744 26 4 0 1000 syz-executor1 [21196] 0 21196 18144 8746 27 5 0 1000 syz-executor5 [21243] 0 21243 18111 8711 25 3 0 1000 syz-executor2 [21711] 0 21711 18111 8710 25 3 0 1000 syz-executor4 [21715] 0 21715 18144 8712 25 3 0 1000 syz-executor4 [21729] 0 21729 18144 8747 27 5 0 1000 syz-executor5 [21936] 0 21936 18111 8744 25 4 0 1000 syz-executor0 [21989] 0 21989 18177 8717 25 3 0 1000 syz-executor0 [21998] 0 21998 18177 8732 27 5 0 1000 syz-executor5 [22009] 0 22009 18243 8721 25 3 0 1000 syz-executor0 [22060] 0 22060 18177 8732 27 5 0 1000 syz-executor5 [22132] 0 22130 18210 4 26 4 0 1000 syz-executor4 [22133] 0 22133 18111 8711 25 3 0 1000 syz-executor2 [22136] 0 22136 18144 8714 26 3 0 1000 syz-executor2 [22193] 0 22193 81 1 3 3 0 -1000 blkid Out of memory: Kill process 2436 (syz-executor5) score 1005 or sacrifice child Killed process 2436 (syz-executor5) total-vm:72576kB, anon-rss:152kB, file-rss:34816kB, shmem-rss:0kB syz-executor0 invoked oom-killer: gfp_mask=0x2420848(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 10878 Comm: syz-executor0 Not tainted 4.9.141+ #1 ffff8801cb65f020 ffffffff81b42e79 ffff8801cb65f3e0 ffffffff833e92b0 00000000000003e8 ffff8801cb65f3f8 0000000000000000 ffff8801cb65f0a0 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x161f/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __page_cache_alloc include/linux/pagemap.h:208 [inline] [] pagecache_get_page+0x244/0x710 mm/filemap.c:1237 [] find_or_create_page include/linux/pagemap.h:309 [inline] [] grow_dev_page fs/buffer.c:1005 [inline] [] grow_buffers fs/buffer.c:1078 [inline] [] __getblk_slow fs/buffer.c:1105 [inline] [] __getblk_gfp+0x240/0x700 fs/buffer.c:1386 [] __getblk include/linux/buffer_head.h:373 [inline] [] __breadahead+0x79/0xf0 fs/buffer.c:1396 [] sb_breadahead include/linux/buffer_head.h:312 [inline] [] __ext4_get_inode_loc+0x961/0xef0 fs/ext4/inode.c:4393 [] ext4_get_inode_loc fs/ext4/inode.c:4421 [inline] [] ext4_reserve_inode_write+0x57/0x180 fs/ext4/inode.c:5487 [] ext4_mark_inode_dirty+0x13d/0xb40 fs/ext4/inode.c:5556 [] ext4_evict_inode+0x69f/0x1230 fs/ext4/inode.c:258 [] evict+0x2d9/0x620 fs/inode.c:553 [] iput_final fs/inode.c:1516 [inline] [] iput+0x371/0x900 fs/inode.c:1543 [] dentry_unlink_inode+0x265/0x320 fs/dcache.c:368 [] __dentry_kill+0x322/0x5b0 fs/dcache.c:570 [] dentry_kill fs/dcache.c:611 [inline] [] dput.part.9+0x4f7/0x7a0 fs/dcache.c:828 [] dput+0x1f/0x30 fs/dcache.c:790 [] __fput+0x42f/0x700 fs/file_table.c:226 [] ____fput+0x15/0x20 fs/file_table.c:244 [] task_work_run+0x10c/0x180 kernel/task_work.c:116 [] exit_task_work include/linux/task_work.h:21 [inline] [] do_exit+0x78d/0x2a50 kernel/exit.c:833 [] do_group_exit+0x111/0x300 kernel/exit.c:937 [] get_signal+0x4e1/0x1460 kernel/signal.c:2321 [] do_signal+0x95/0x1b00 arch/x86/kernel/signal.c:807 [] exit_to_usermode_loop+0x10e/0x150 arch/x86/entry/common.c:158 [] prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] [] syscall_return_slowpath arch/x86/entry/common.c:263 [inline] [] do_syscall_64+0x3e2/0x550 arch/x86/entry/common.c:290 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:57877 inactive_anon:7882 isolated_anon:0 active_file:44 inactive_file:48 isolated_file:0 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:6359 slab_unreclaimable:62560 mapped:52247 shmem:8531 pagetables:5838 bounce:0 free:2639 free_pcp:216 free_cma:0 Node 0 active_anon:231508kB inactive_anon:31528kB active_file:176kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:208988kB dirty:0kB writeback:0kB shmem:34124kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:148kB 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:3020132kB mlocked:0kB slab_reclaimable:240kB slab_unreclaimable:124kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:10608kB min:5580kB low:9168kB high:12756kB active_anon:231508kB inactive_anon:31528kB active_file:176kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:25196kB slab_unreclaimable:250116kB kernel_stack:10976kB pagetables:23352kB bounce:0kB free_pcp:816kB local_pcp:120kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 2*16kB (M) 2*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 132kB 0 pages in swap cache