Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 12.077657] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 13.292137] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 87.801829] lowmemorykiller: Killing 'syz-executor480' (2284) (tgid 2284), adj 1000, [ 87.801829] to free 12188kB on behalf of 'kswapd0' (33) because [ 87.801829] cache 39060kB is below limit 65536kB for oom_score_adj 12 [ 87.801829] Free memory is -6804kB above reserved executing program [ 87.850593] lowmemorykiller: Killing 'syz-executor480' (3307) (tgid 3307), adj 1000, [ 87.850593] to free 12188kB on behalf of 'kswapd0' (33) because [ 87.850593] cache 38960kB is below limit 65536kB for oom_score_adj 12 [ 87.850593] Free memory is -6776kB above reserved executing program [ 87.899463] lowmemorykiller: Killing 'syz-executor480' (3357) (tgid 3357), adj 1000, [ 87.899463] to free 12188kB on behalf of 'kswapd0' (33) because [ 87.899463] cache 38772kB is below limit 65536kB for oom_score_adj 12 [ 87.899463] Free memory is -7396kB above reserved executing program executing program [ 87.954288] lowmemorykiller: Killing 'syz-executor480' (3601) (tgid 3601), adj 1000, [ 87.954288] to free 12188kB on behalf of 'kswapd0' (33) because [ 87.954288] cache 38776kB is below limit 65536kB for oom_score_adj 12 [ 87.954288] Free memory is -6688kB above reserved [ 88.007209] lowmemorykiller: Killing 'syz-executor480' (2086) (tgid 2086), adj 1000, [ 88.007209] to free 12180kB on behalf of 'kswapd0' (33) because [ 88.007209] cache 38588kB is below limit 65536kB for oom_score_adj 12 [ 88.007209] Free memory is -7248kB above reserved executing program executing program executing program [ 88.038243] lowmemorykiller: Killing 'syz-executor480' (2089) (tgid 2089), adj 1000, [ 88.038243] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.038243] cache 38588kB is below limit 65536kB for oom_score_adj 12 [ 88.038243] Free memory is -13404kB above reserved [ 88.039213] lowmemorykiller: Killing 'syz-executor480' (2125) (tgid 2125), adj 1000, [ 88.039213] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.039213] cache 38488kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 88.039213] Free memory is -13304kB above reserved [ 88.039219] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 88.039225] in_atomic(): 0, irqs_disabled(): 0, pid: 3729, name: syz-executor480 [ 88.039230] 3 locks held by syz-executor480/3729: [ 88.039254] #0: (&mm->mmap_sem){++++++}, at: [<000000001114b352>] __mm_populate+0x20c/0x300 [ 88.039349] #1: (shrinker_rwsem){++++..}, at: [<0000000081ff3815>] shrink_slab.part.0+0xb2/0xa20 executing program [ 88.039365] #2: (rcu_read_lock){......}, at: [<00000000255bef69>] lowmem_scan+0x242/0xb50 [ 88.039376] Preemption disabled at: [ 88.039376] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 88.039386] CPU: 1 PID: 3729 Comm: syz-executor480 Not tainted 4.9.174+ #3 [ 88.039402] ffff88010100f018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 88.039413] ffff8801cada17c0 ffffffff810ce3d0 ffff8801cada17c0 ffff88010100f050 [ 88.039424] ffffffff813fc74c ffff8801cada17c0 ffffffff82a38bc0 0000000000000387 [ 88.039426] Call Trace: [ 88.039436] [<00000000553f0fd9>] dump_stack+0xc1/0x120 executing program executing program [ 88.039443] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 88.039453] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 88.039463] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 88.039470] [<000000005fbea0cd>] mmput+0x28/0x370 [ 88.039478] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 88.039486] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 88.039495] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 [ 88.039504] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 88.039513] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 executing program [ 88.039522] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 88.039533] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 88.039541] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 88.039550] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 88.039560] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 88.039570] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 88.039579] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program executing program [ 88.039588] [<00000000ee8ebe9b>] ? check_preemption_disabled+0x3c/0x200 [ 88.039596] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 88.039604] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 88.039612] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 88.039619] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 88.039628] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 [ 88.039638] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 88.039646] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 executing program [ 88.039654] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 88.039663] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 88.039672] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 88.039679] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 88.039687] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 [ 88.039695] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 88.039703] [<000000000ab82803>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 88.039711] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 executing program [ 88.039719] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 88.039726] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 88.039734] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 88.039741] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 88.039749] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 executing program executing program [ 88.039766] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 88.039774] [<00000000073b60f1>] ? memset+0x32/0x40 [ 88.039781] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 88.039795] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 88.039802] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 88.039809] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 88.039816] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 executing program [ 88.039829] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 88.039839] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 [ 88.039847] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 88.039855] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 88.039863] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 88.039870] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 88.039877] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 88.039887] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 88.039897] [ 88.039898] ================================= [ 88.039900] [ INFO: inconsistent lock state ] [ 88.039905] 4.9.174+ #3 Tainted: G W [ 88.039906] --------------------------------- executing program executing program [ 88.039910] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 88.039923] syz-executor480/3729 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 88.039966] (&mm->mmap_sem){+++++?}, at: [<00000000cebed0a6>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 88.039977] mark_held_locks+0xb1/0x100 [ 88.039981] lockdep_trace_alloc+0x18c/0x2b0 [ 88.039988] __alloc_pages_nodemask+0x143/0x1a80 [ 88.039998] __pmd_alloc+0x4a/0x330 [ 88.040004] move_page_tables+0xadb/0xd60 [ 88.040011] shift_arg_pages+0x1ae/0x470 [ 88.040018] setup_arg_pages+0x60d/0x7c0 executing program executing program [ 88.040026] load_elf_binary+0xa84/0x4a90 [ 88.040031] search_binary_handler+0x14f/0x700 [ 88.040037] do_execveat_common.isra.0+0xf81/0x1db0 [ 88.040041] do_execve+0x3a/0x50 [ 88.040048] run_init_process+0x33/0x37 [ 88.040055] try_to_run_init_process+0x18/0x48 [ 88.040061] kernel_init+0xf2/0x163 [ 88.040067] ret_from_fork+0x5c/0x70 [ 88.040070] irq event stamp: 9775 [ 88.040077] hardirqs last enabled at (9775): [<00000000567a4d62>] dump_stack+0x100/0x120 [ 88.040084] hardirqs last disabled at (9774): [<00000000397f9c62>] dump_stack+0x2c/0x120 [ 88.040094] softirqs last enabled at (8702): [<000000005e71f69f>] __do_softirq+0x474/0x964 [ 88.040102] softirqs last disabled at (8689): [<00000000bbfe2609>] irq_exit+0x119/0x160 [ 88.040104] [ 88.040104] other info that might help us debug this: executing program executing program [ 88.040105] Possible unsafe locking scenario: [ 88.040105] [ 88.040107] CPU0 [ 88.040108] ---- [ 88.040112] lock(&mm->mmap_sem); [ 88.040113] [ 88.040117] lock(&mm->mmap_sem); [ 88.040119] [ 88.040119] *** DEADLOCK *** [ 88.040119] [ 88.040123] 4 locks held by syz-executor480/3729: [ 88.040135] #0: (&mm->mmap_sem){+++++?}, at: [<000000001114b352>] __mm_populate+0x20c/0x300 executing program executing program [ 88.040148] #1: (shrinker_rwsem){++++..}, at: [<0000000081ff3815>] shrink_slab.part.0+0xb2/0xa20 [ 88.040160] #2: (rcu_read_lock){......}, at: [<00000000255bef69>] lowmem_scan+0x242/0xb50 [ 88.040173] #3: (lmk_event_lock){+.+.-.}, at: [<00000000660a361e>] handle_lmk_event+0xfb/0x8a0 [ 88.040175] [ 88.040175] stack backtrace: [ 88.040186] CPU: 1 PID: 3729 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 executing program executing program [ 88.040199] ffff88010100ed60 ffffffff81b4f9e1 00000000000000f0 ffff8801cada17c0 [ 88.040209] ffffffff83cab5a0 ffff8801cada2130 ffffffff8424cd00 ffff88010100edd8 [ 88.040219] ffffffff81403189 0000000000000000 ffffffff00000001 0000000000000001 [ 88.040221] Call Trace: [ 88.040228] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 88.040242] [<000000000729f865>] print_usage_bug.cold+0x452/0x5a2 [ 88.040250] [<00000000caf273ab>] mark_lock+0x6c7/0x12e0 [ 88.040257] [<0000000014d5fcce>] ? print_irq_inversion_bug+0xa0/0xa0 [ 88.040264] [<00000000c6969b95>] __lock_acquire+0x5c3/0x4350 [ 88.040272] [<00000000487e1133>] ? unwind_next_frame+0x50/0x50 [ 88.040279] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 88.040287] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 88.040294] [<000000000ab82803>] ? debug_lockdep_rcu_enabled+0x71/0xa0 executing program executing program [ 88.040308] [<00000000c6593f94>] lock_acquire+0x133/0x3d0 [ 88.040314] [<00000000cebed0a6>] ? get_cmdline+0xa3/0x2d0 [ 88.040323] [<00000000eb82ff57>] down_read+0x44/0xb0 [ 88.040330] [<00000000cebed0a6>] ? get_cmdline+0xa3/0x2d0 [ 88.040336] [<00000000cebed0a6>] get_cmdline+0xa3/0x2d0 [ 88.040349] [<000000007f57f541>] handle_lmk_event+0x13c/0x8a0 [ 88.040357] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 88.040365] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 [ 88.040379] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 executing program [ 88.040388] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 88.040397] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 88.040405] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 88.040417] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 88.040426] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 88.040435] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 88.040444] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 executing program [ 88.040453] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 88.040461] [<00000000ee8ebe9b>] ? check_preemption_disabled+0x3c/0x200 [ 88.040469] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 88.040476] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 88.040484] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 88.040492] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 executing program executing program [ 88.040500] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 [ 88.040510] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 88.040517] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 88.040526] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 88.040535] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 88.040543] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 88.040550] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 88.040558] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 executing program [ 88.040567] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 88.040574] [<000000000ab82803>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 88.040582] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 88.040589] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 88.040596] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 88.040604] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 executing program [ 88.040611] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 88.040618] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 88.040626] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 88.040633] [<00000000073b60f1>] ? memset+0x32/0x40 [ 88.040641] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 88.040648] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 executing program executing program [ 88.040656] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 88.040662] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 88.040670] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 88.040678] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 88.040686] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 [ 88.040693] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 88.040706] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 88.040713] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 88.040720] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 88.040727] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 88.040735] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 88.045617] lowmemorykiller: Killing 'syz-executor480' (2128) (tgid 2128), adj 1000, [ 88.045617] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.045617] cache 38388kB is below limit 65536kB for oom_score_adj 12 [ 88.045617] Free memory is -13392kB above reserved executing program executing program [ 88.048396] lowmemorykiller: Killing 'syz-executor480' (2134) (tgid 2134), adj 1000, [ 88.048396] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.048396] cache 38188kB is below limit 65536kB for oom_score_adj 12 [ 88.048396] Free memory is -13340kB above reserved [ 88.056434] lowmemorykiller: Killing 'syz-executor480' (2143) (tgid 2143), adj 1000, [ 88.056434] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.056434] cache 37988kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 88.056434] Free memory is -13288kB above reserved [ 88.063665] lowmemorykiller: Killing 'syz-executor480' (2152) (tgid 2152), adj 1000, [ 88.063665] to free 12180kB on behalf of 'syz-executor480' (3729) because [ 88.063665] cache 37888kB is below limit 65536kB for oom_score_adj 12 [ 88.063665] Free memory is -9588kB above reserved [ 88.064052] lowmemorykiller: Killing 'syz-executor480' (2158) (tgid 2158), adj 1000, [ 88.064052] to free 12180kB on behalf of 'syz-executor480' (3729) because executing program [ 88.064052] cache 37988kB is below limit 65536kB for oom_score_adj 12 [ 88.064052] Free memory is 3012kB above reserved [ 88.316075] lowmemorykiller: Killing 'syz-executor480' (3730) (tgid 3730), adj 1000, [ 88.316075] to free 12188kB on behalf of 'syz-executor480' (3754) because [ 88.316075] cache 37852kB is below limit 65536kB for oom_score_adj 12 [ 88.316075] Free memory is -13304kB above reserved [ 88.320702] lowmemorykiller: Killing 'syz-executor480' (2170) (tgid 2170), adj 1000, [ 88.320702] to free 12180kB on behalf of 'syz-executor480' (3754) because executing program executing program [ 88.320702] cache 37752kB is below limit 65536kB for oom_score_adj 12 [ 88.320702] Free memory is -13284kB above reserved [ 88.332525] lowmemorykiller: Killing 'syz-executor480' (2176) (tgid 2176), adj 1000, [ 88.332525] to free 12180kB on behalf of 'syz-executor480' (3754) because [ 88.332525] cache 37652kB is below limit 65536kB for oom_score_adj 12 [ 88.332525] Free memory is -13284kB above reserved [ 88.333074] lowmemorykiller: Killing 'syz-executor480' (2185) (tgid 2185), adj 1000, [ 88.333074] to free 12180kB on behalf of 'syz-executor480' (3754) because [ 88.333074] cache 37452kB is below limit 65536kB for oom_score_adj 12 [ 88.333074] Free memory is 1016kB above reserved [ 88.344584] lowmemorykiller: Killing 'syz-executor480' (2188) (tgid 2188), adj 1000, [ 88.344584] to free 12180kB on behalf of 'syz-executor480' (3754) because [ 88.344584] cache 37452kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 88.344584] Free memory is 1816kB above reserved [ 88.527122] lowmemorykiller: Killing 'syz-executor480' (3755) (tgid 3755), adj 1000, [ 88.527122] to free 12188kB on behalf of 'syz-executor480' (3770) because [ 88.527122] cache 37536kB is below limit 65536kB for oom_score_adj 12 [ 88.527122] Free memory is -13280kB above reserved [ 88.532248] lowmemorykiller: Killing 'syz-executor480' (2194) (tgid 2194), adj 1000, [ 88.532248] to free 12180kB on behalf of 'syz-executor480' (3770) because executing program [ 88.532248] cache 37336kB is below limit 65536kB for oom_score_adj 12 [ 88.532248] Free memory is -13440kB above reserved [ 88.543509] lowmemorykiller: Killing 'syz-executor480' (2197) (tgid 2197), adj 1000, [ 88.543509] to free 12180kB on behalf of 'syz-executor480' (3770) because [ 88.543509] cache 37236kB is below limit 65536kB for oom_score_adj 12 [ 88.543509] Free memory is -13440kB above reserved [ 88.657782] lowmemorykiller: Killing 'syz-executor480' (3771) (tgid 3771), adj 1000, [ 88.657782] to free 12188kB on behalf of 'syz-executor480' (3780) because executing program executing program [ 88.657782] cache 37200kB is below limit 65536kB for oom_score_adj 12 [ 88.657782] Free memory is -13336kB above reserved [ 88.671622] lowmemorykiller: Killing 'syz-executor480' (2209) (tgid 2209), adj 1000, [ 88.671622] to free 12180kB on behalf of 'syz-executor480' (3780) because [ 88.671622] cache 37000kB is below limit 65536kB for oom_score_adj 12 [ 88.671622] Free memory is -13312kB above reserved [ 88.683503] lowmemorykiller: Killing 'syz-executor480' (2215) (tgid 2215), adj 1000, executing program [ 88.683503] to free 12180kB on behalf of 'syz-executor480' (3780) because [ 88.683503] cache 36900kB is below limit 65536kB for oom_score_adj 12 [ 88.683503] Free memory is 3064kB above reserved [ 88.684151] lowmemorykiller: Killing 'syz-executor480' (2218) (tgid 2218), adj 1000, [ 88.684151] to free 12180kB on behalf of 'syz-executor480' (3780) because [ 88.684151] cache 36900kB is below limit 65536kB for oom_score_adj 12 [ 88.684151] Free memory is 13464kB above reserved executing program [ 88.823478] lowmemorykiller: Killing 'syz-executor480' (3781) (tgid 3781), adj 1000, [ 88.823478] to free 12188kB on behalf of 'syz-executor480' (3793) because [ 88.823478] cache 36800kB is below limit 65536kB for oom_score_adj 12 [ 88.823478] Free memory is -13332kB above reserved [ 88.823983] lowmemorykiller: Killing 'syz-executor480' (2224) (tgid 2224), adj 1000, [ 88.823983] to free 12180kB on behalf of 'syz-executor480' (3793) because [ 88.823983] cache 36700kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 88.823983] Free memory is -5332kB above reserved [ 88.831132] lowmemorykiller: Killing 'syz-executor480' (2230) (tgid 2230), adj 1000, [ 88.831132] to free 12180kB on behalf of 'syz-executor480' (3793) because [ 88.831132] cache 36700kB is below limit 65536kB for oom_score_adj 12 [ 88.831132] Free memory is -5332kB above reserved [ 88.938064] lowmemorykiller: Killing 'syz-executor480' (3794) (tgid 3794), adj 1000, [ 88.938064] to free 12188kB on behalf of 'syz-executor480' (3804) because executing program [ 88.938064] cache 36664kB is below limit 65536kB for oom_score_adj 12 [ 88.938064] Free memory is -13316kB above reserved [ 88.943283] lowmemorykiller: Killing 'syz-executor480' (2233) (tgid 2233), adj 1000, [ 88.943283] to free 12180kB on behalf of 'syz-executor480' (3804) because [ 88.943283] cache 36464kB is below limit 65536kB for oom_score_adj 12 [ 88.943283] Free memory is -13308kB above reserved executing program executing program [ 88.943657] lowmemorykiller: Killing 'syz-executor480' (2236) (tgid 2236), adj 1000, [ 88.943657] to free 12180kB on behalf of 'syz-executor480' (3804) because [ 88.943657] cache 36464kB is below limit 65536kB for oom_score_adj 12 [ 88.943657] Free memory is -13308kB above reserved [ 89.045635] lowmemorykiller: Killing 'syz-executor480' (2242) (tgid 2242), adj 1000, [ 89.045635] to free 12180kB on behalf of 'syz-executor480' (3813) because [ 89.045635] cache 35552kB is below limit 65536kB for oom_score_adj 12 [ 89.045635] Free memory is -13320kB above reserved executing program [ 89.053477] lowmemorykiller: Killing 'syz-executor480' (2245) (tgid 2245), adj 1000, [ 89.053477] to free 12180kB on behalf of 'syz-executor480' (3813) because [ 89.053477] cache 35552kB is below limit 65536kB for oom_score_adj 12 [ 89.053477] Free memory is -10620kB above reserved executing program [ 89.053989] lowmemorykiller: Killing 'syz-executor480' (2251) (tgid 2251), adj 1000, [ 89.053989] to free 12180kB on behalf of 'syz-executor480' (3813) because [ 89.053989] cache 35552kB is below limit 65536kB for oom_score_adj 12 [ 89.053989] Free memory is -5820kB above reserved [ 89.053994] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 89.053999] in_atomic(): 0, irqs_disabled(): 0, pid: 3813, name: syz-executor480 [ 89.054001] INFO: lockdep is turned off. [ 89.054016] Preemption disabled at: executing program [ 89.054017] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 89.054026] CPU: 0 PID: 3813 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 89.054040] ffff8801cbbdf018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 89.054050] ffff8801d024af80 ffffffff810ce3d0 ffff8801d024af80 ffff8801cbbdf050 [ 89.054059] ffffffff813fc74c ffff8801d024af80 ffffffff82a38bc0 0000000000000387 [ 89.054061] Call Trace: executing program executing program [ 89.054071] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 89.054078] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 89.054088] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 89.054097] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 89.054104] [<000000005fbea0cd>] mmput+0x28/0x370 [ 89.054113] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 89.054120] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 89.054130] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 executing program [ 89.054139] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 89.054147] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 89.054156] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 89.054165] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 89.054173] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 89.054181] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 89.054191] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 89.054199] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 executing program executing program [ 89.054207] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 89.054216] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 89.054224] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 [ 89.054231] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 89.054238] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 89.054245] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 89.054252] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 89.054261] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 executing program executing program [ 89.054270] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 89.054277] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 89.054283] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 89.054291] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 89.054300] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 89.054307] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 89.054315] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 89.054322] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 executing program [ 89.054330] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 [ 89.054337] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 89.054345] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 89.054351] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 89.054358] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 executing program executing program [ 89.054365] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 89.054373] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 89.054380] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 89.054387] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 89.054394] [<00000000073b60f1>] ? memset+0x32/0x40 [ 89.054401] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 89.054408] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 executing program [ 89.054416] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 89.054422] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 89.054429] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 executing program [ 89.054436] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 89.054443] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 89.054452] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 [ 89.054459] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 89.054466] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 89.054474] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 89.054480] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 89.054487] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 executing program executing program [ 89.054497] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 89.157287] lowmemorykiller: Killing 'syz-executor480' (3814) (tgid 3814), adj 1000, [ 89.157287] to free 12188kB on behalf of 'syz-executor480' (3823) because [ 89.157287] cache 35384kB is below limit 65536kB for oom_score_adj 12 [ 89.157287] Free memory is -13304kB above reserved [ 89.173482] lowmemorykiller: Killing 'syz-executor480' (2254) (tgid 2254), adj 1000, [ 89.173482] to free 12180kB on behalf of 'syz-executor480' (3823) because executing program [ 89.173482] cache 35184kB is below limit 65536kB for oom_score_adj 12 [ 89.173482] Free memory is -13344kB above reserved [ 89.173978] lowmemorykiller: Killing 'syz-executor480' (2260) (tgid 2260), adj 1000, [ 89.173978] to free 12180kB on behalf of 'syz-executor480' (3823) because [ 89.173978] cache 35184kB is below limit 65536kB for oom_score_adj 12 [ 89.173978] Free memory is -9344kB above reserved executing program [ 89.283501] lowmemorykiller: Killing 'syz-executor480' (3824) (tgid 3824), adj 1000, [ 89.283501] to free 12188kB on behalf of 'syz-executor480' (3833) because [ 89.283501] cache 35200kB is below limit 65536kB for oom_score_adj 12 [ 89.283501] Free memory is -13336kB above reserved [ 89.284130] lowmemorykiller: Killing 'syz-executor480' (2269) (tgid 2269), adj 1000, [ 89.284130] to free 12180kB on behalf of 'syz-executor480' (3833) because [ 89.284130] cache 35200kB is below limit 65536kB for oom_score_adj 12 executing program [ 89.284130] Free memory is -4736kB above reserved [ 89.353482] lowmemorykiller: Killing 'syz-executor480' (2272) (tgid 2272), adj 1000, [ 89.353482] to free 12180kB on behalf of 'syz-executor480' (3839) because [ 89.353482] cache 34960kB is below limit 65536kB for oom_score_adj 12 [ 89.353482] Free memory is -13328kB above reserved [ 89.353870] lowmemorykiller: Killing 'syz-executor480' (2291) (tgid 2291), adj 1000, [ 89.353870] to free 12180kB on behalf of 'syz-executor480' (3839) because [ 89.353870] cache 34860kB is below limit 65536kB for oom_score_adj 12 [ 89.353870] Free memory is -10928kB above reserved [ 89.425578] lowmemorykiller: Killing 'syz-executor480' (2297) (tgid 2297), adj 1000, [ 89.425578] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.425578] cache 34820kB is below limit 65536kB for oom_score_adj 12 [ 89.425578] Free memory is -13320kB above reserved [ 89.433851] lowmemorykiller: Killing 'syz-executor480' (2300) (tgid 2300), adj 1000, [ 89.433851] to free 12180kB on behalf of 'syz-executor480' (3845) because executing program [ 89.433851] cache 34720kB is below limit 65536kB for oom_score_adj 12 [ 89.433851] Free memory is -13320kB above reserved [ 89.441936] lowmemorykiller: Killing 'syz-executor480' (2303) (tgid 2303), adj 1000, [ 89.441936] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.441936] cache 34520kB is below limit 65536kB for oom_score_adj 12 [ 89.441936] Free memory is -13364kB above reserved [ 89.453484] lowmemorykiller: Killing 'syz-executor480' (2306) (tgid 2306), adj 1000, executing program executing program [ 89.453484] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.453484] cache 34420kB is below limit 65536kB for oom_score_adj 12 [ 89.453484] Free memory is -13356kB above reserved [ 89.463522] lowmemorykiller: Killing 'syz-executor480' (2309) (tgid 2309), adj 1000, [ 89.463522] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.463522] cache 34320kB is below limit 65536kB for oom_score_adj 12 [ 89.463522] Free memory is 1644kB above reserved [ 89.473518] lowmemorykiller: Killing 'syz-executor480' (2312) (tgid 2312), adj 1000, executing program [ 89.473518] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.473518] cache 34420kB is below limit 65536kB for oom_score_adj 12 [ 89.473518] Free memory is 9044kB above reserved [ 89.483481] lowmemorykiller: Killing 'syz-executor480' (2318) (tgid 2318), adj 1000, [ 89.483481] to free 12180kB on behalf of 'syz-executor480' (3845) because [ 89.483481] cache 34360kB is below limit 65536kB for oom_score_adj 12 [ 89.483481] Free memory is 16912kB above reserved executing program executing program [ 89.702381] lowmemorykiller: Killing 'syz-executor480' (3846) (tgid 3846), adj 1000, [ 89.702381] to free 12188kB on behalf of 'syz-executor480' (3867) because [ 89.702381] cache 34324kB is below limit 65536kB for oom_score_adj 12 [ 89.702381] Free memory is -13328kB above reserved [ 89.730041] lowmemorykiller: Killing 'syz-executor480' (2321) (tgid 2321), adj 1000, [ 89.730041] to free 12180kB on behalf of 'syz-executor480' (3867) because [ 89.730041] cache 34224kB is below limit 65536kB for oom_score_adj 12 [ 89.730041] Free memory is -13300kB above reserved executing program [ 89.731872] lowmemorykiller: Killing 'syz-executor480' (2324) (tgid 2324), adj 1000, [ 89.731872] to free 12180kB on behalf of 'syz-executor480' (3867) because [ 89.731872] cache 34124kB is below limit 65536kB for oom_score_adj 12 [ 89.731872] Free memory is 2376kB above reserved [ 89.843487] lowmemorykiller: Killing 'syz-executor480' (3868) (tgid 3868), adj 1000, [ 89.843487] to free 12188kB on behalf of 'syz-executor480' (3877) because [ 89.843487] cache 34048kB is below limit 65536kB for oom_score_adj 12 [ 89.843487] Free memory is -13276kB above reserved [ 89.844230] lowmemorykiller: Killing 'syz-executor480' (2327) (tgid 2327), adj 1000, [ 89.844230] to free 12180kB on behalf of 'syz-executor480' (3877) because [ 89.844230] cache 33848kB is below limit 65536kB for oom_score_adj 12 [ 89.844230] Free memory is -5476kB above reserved executing program [ 89.920062] lowmemorykiller: Killing 'syz-executor480' (2333) (tgid 2333), adj 1000, [ 89.920062] to free 12180kB on behalf of 'syz-executor480' (3883) because [ 89.920062] cache 33912kB is below limit 65536kB for oom_score_adj 12 [ 89.920062] Free memory is -13320kB above reserved [ 89.950620] lowmemorykiller: Killing 'syz-executor480' (2336) (tgid 2336), adj 1000, [ 89.950620] to free 12180kB on behalf of 'syz-executor480' (3883) because [ 89.950620] cache 33812kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 89.950620] Free memory is -13392kB above reserved [ 89.950979] lowmemorykiller: Killing 'syz-executor480' (2339) (tgid 2339), adj 1000, [ 89.950979] to free 12180kB on behalf of 'syz-executor480' (3883) because [ 89.950979] cache 33812kB is below limit 65536kB for oom_score_adj 12 [ 89.950979] Free memory is -12292kB above reserved [ 89.954399] lowmemorykiller: Killing 'syz-executor480' (2342) (tgid 2342), adj 1000, [ 89.954399] to free 12180kB on behalf of 'syz-executor480' (3883) because executing program executing program [ 89.954399] cache 33612kB is below limit 65536kB for oom_score_adj 12 [ 89.954399] Free memory is -13284kB above reserved [ 90.093481] lowmemorykiller: Killing 'syz-executor480' (3884) (tgid 3884), adj 1000, [ 90.093481] to free 12188kB on behalf of 'syz-executor480' (3896) because [ 90.093481] cache 33012kB is below limit 65536kB for oom_score_adj 12 [ 90.093481] Free memory is -13316kB above reserved [ 90.104579] lowmemorykiller: Killing 'syz-executor480' (2345) (tgid 2345), adj 1000, [ 90.104579] to free 12180kB on behalf of 'syz-executor480' (3896) because [ 90.104579] cache 32912kB is below limit 65536kB for oom_score_adj 12 [ 90.104579] Free memory is -11416kB above reserved [ 90.105287] lowmemorykiller: Killing 'syz-executor480' (2348) (tgid 2348), adj 1000, [ 90.105287] to free 12180kB on behalf of 'syz-executor480' (3896) because [ 90.105287] cache 32912kB is below limit 65536kB for oom_score_adj 12 [ 90.105287] Free memory is -2216kB above reserved executing program executing program [ 90.105293] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 90.105298] in_atomic(): 0, irqs_disabled(): 0, pid: 3896, name: syz-executor480 [ 90.105300] INFO: lockdep is turned off. [ 90.105315] Preemption disabled at: [ 90.105315] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 90.105325] CPU: 0 PID: 3896 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 90.105339] ffff8801cae9f018 ffffffff81b4f9e1 0000000000000000 0000000000000001 executing program executing program [ 90.105349] ffff8801d0260000 ffffffff810ce3d0 ffff8801d0260000 ffff8801cae9f050 [ 90.105358] ffffffff813fc74c ffff8801d0260000 ffffffff82a38bc0 0000000000000387 [ 90.105360] Call Trace: [ 90.105370] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 90.105377] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 90.105387] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 90.105397] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 90.105404] [<000000005fbea0cd>] mmput+0x28/0x370 [ 90.105413] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 executing program [ 90.105420] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 90.105429] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 [ 90.105438] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 90.105446] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 90.105455] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 90.105464] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 90.105472] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 90.105480] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 executing program [ 90.105489] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 90.105497] [<00000000c5b8085b>] ? __switch_to_asm+0x40/0x70 [ 90.105506] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 90.105514] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 90.105522] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 [ 90.105529] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 90.105536] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 90.105543] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 executing program [ 90.105551] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 90.105559] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 [ 90.105568] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 90.105576] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 executing program [ 90.105585] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 90.105593] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 90.105601] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 90.105615] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 90.105622] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 90.105630] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 90.105637] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 [ 90.105645] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 executing program executing program [ 90.105652] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 90.105659] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 90.105666] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 90.105673] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 90.105680] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 90.105687] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 90.105694] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 90.105702] [<00000000073b60f1>] ? memset+0x32/0x40 executing program [ 90.105709] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 90.105716] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 90.105723] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 90.105730] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 90.105737] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 [ 90.105744] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 90.105751] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 90.105760] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 executing program executing program [ 90.105768] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 90.105784] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 90.105792] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 90.105798] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 90.105811] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 90.105819] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 90.206412] lowmemorykiller: Killing 'syz-executor480' (3897) (tgid 3897), adj 1000, [ 90.206412] to free 12188kB on behalf of 'syz-executor480' (3906) because [ 90.206412] cache 32884kB is below limit 65536kB for oom_score_adj 12 [ 90.206412] Free memory is -13360kB above reserved [ 90.214596] lowmemorykiller: Killing 'syz-executor480' (2351) (tgid 2351), adj 1000, [ 90.214596] to free 12180kB on behalf of 'syz-executor480' (3906) because [ 90.214596] cache 32784kB is below limit 65536kB for oom_score_adj 12 [ 90.214596] Free memory is -13312kB above reserved [ 90.215089] lowmemorykiller: Killing 'syz-executor480' (2354) (tgid 2354), adj 1000, [ 90.215089] to free 12180kB on behalf of 'syz-executor480' (3906) because [ 90.215089] cache 32684kB is below limit 65536kB for oom_score_adj 12 [ 90.215089] Free memory is -13312kB above reserved [ 90.320886] lowmemorykiller: Killing 'syz-executor480' (2357) (tgid 2357), adj 1000, [ 90.320886] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.320886] cache 32116kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 90.320886] Free memory is -13320kB above reserved [ 90.327737] lowmemorykiller: Killing 'syz-executor480' (2360) (tgid 2360), adj 1000, [ 90.327737] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.327737] cache 31816kB is below limit 65536kB for oom_score_adj 12 [ 90.327737] Free memory is -13356kB above reserved [ 90.334553] lowmemorykiller: Killing 'syz-executor480' (2363) (tgid 2363), adj 1000, [ 90.334553] to free 12180kB on behalf of 'syz-executor480' (3915) because executing program [ 90.334553] cache 31816kB is below limit 65536kB for oom_score_adj 12 [ 90.334553] Free memory is -13356kB above reserved [ 90.344215] lowmemorykiller: Killing 'syz-executor480' (2366) (tgid 2366), adj 1000, [ 90.344215] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.344215] cache 31816kB is below limit 65536kB for oom_score_adj 12 executing program [ 90.344215] Free memory is -10456kB above reserved [ 90.352984] lowmemorykiller: Killing 'syz-executor480' (2369) (tgid 2369), adj 1000, [ 90.352984] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.352984] cache 31716kB is below limit 65536kB for oom_score_adj 12 [ 90.352984] Free memory is 7732kB above reserved [ 90.353508] lowmemorykiller: Killing 'syz-executor480' (2372) (tgid 2372), adj 1000, [ 90.353508] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.353508] cache 31816kB is below limit 65536kB for oom_score_adj 12 [ 90.353508] Free memory is 21028kB above reserved [ 90.356309] lowmemorykiller: Killing 'syz-executor480' (2375) (tgid 2375), adj 1000, [ 90.356309] to free 12180kB on behalf of 'syz-executor480' (3915) because [ 90.356309] cache 31616kB is below limit 65536kB for oom_score_adj 12 executing program [ 90.356309] Free memory is 21128kB above reserved [ 90.585877] lowmemorykiller: Killing 'syz-executor480' (3916) (tgid 3916), adj 1000, [ 90.585877] to free 12188kB on behalf of 'syz-executor480' (3937) because [ 90.585877] cache 31612kB is below limit 65536kB for oom_score_adj 12 [ 90.585877] Free memory is -13416kB above reserved [ 90.593471] lowmemorykiller: Killing 'syz-executor480' (2378) (tgid 2378), adj 1000, [ 90.593471] to free 12180kB on behalf of 'syz-executor480' (3937) because executing program executing program [ 90.593471] cache 31612kB is below limit 65536kB for oom_score_adj 12 [ 90.593471] Free memory is -13416kB above reserved [ 90.593973] lowmemorykiller: Killing 'syz-executor480' (2384) (tgid 2384), adj 1000, [ 90.593973] to free 12180kB on behalf of 'syz-executor480' (3937) because [ 90.593973] cache 31512kB is below limit 65536kB for oom_score_adj 12 [ 90.593973] Free memory is -7740kB above reserved [ 90.691345] lowmemorykiller: Killing 'syz-executor480' (2387) (tgid 2387), adj 1000, [ 90.691345] to free 12180kB on behalf of 'syz-executor480' (3946) because executing program [ 90.691345] cache 31360kB is below limit 65536kB for oom_score_adj 12 [ 90.691345] Free memory is -13412kB above reserved [ 90.695700] lowmemorykiller: Killing 'syz-executor480' (2393) (tgid 2393), adj 1000, [ 90.695700] to free 12180kB on behalf of 'syz-executor480' (3946) because [ 90.695700] cache 31160kB is below limit 65536kB for oom_score_adj 12 [ 90.695700] Free memory is -13324kB above reserved [ 90.696441] lowmemorykiller: Killing 'syz-executor480' (2396) (tgid 2396), adj 1000, [ 90.696441] to free 12180kB on behalf of 'syz-executor480' (3946) because [ 90.696441] cache 31160kB is below limit 65536kB for oom_score_adj 12 [ 90.696441] Free memory is -13324kB above reserved [ 90.704619] lowmemorykiller: Killing 'syz-executor480' (2402) (tgid 2402), adj 1000, executing program executing program [ 90.704619] to free 12180kB on behalf of 'syz-executor480' (2080) because [ 90.704619] cache 30460kB is below limit 65536kB for oom_score_adj 12 [ 90.704619] Free memory is -10704kB above reserved [ 90.846995] lowmemorykiller: Killing 'syz-executor480' (2405) (tgid 2405), adj 1000, [ 90.846995] to free 12180kB on behalf of 'syz-executor480' (3958) because [ 90.846995] cache 29096kB is below limit 65536kB for oom_score_adj 12 [ 90.846995] Free memory is -13348kB above reserved [ 90.862036] lowmemorykiller: Killing 'syz-executor480' (2408) (tgid 2408), adj 1000, executing program executing program [ 90.862036] to free 12180kB on behalf of 'syz-executor480' (2080) because [ 90.862036] cache 28884kB is below limit 65536kB for oom_score_adj 12 [ 90.862036] Free memory is -13016kB above reserved [ 90.862349] lowmemorykiller: Killing 'syz-executor480' (2411) (tgid 2411), adj 1000, [ 90.862349] to free 12180kB on behalf of 'syz-executor480' (2080) because [ 90.862349] cache 28884kB is below limit 65536kB for oom_score_adj 12 [ 90.862349] Free memory is -12316kB above reserved executing program executing program [ 90.973519] lowmemorykiller: Killing 'syz-executor480' (2414) (tgid 2414), adj 1000, [ 90.973519] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 90.973519] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 90.973519] Free memory is -13324kB above reserved [ 90.981460] lowmemorykiller: Killing 'syz-executor480' (2417) (tgid 2417), adj 1000, [ 90.981460] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 90.981460] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 90.981460] Free memory is -5324kB above reserved [ 90.993505] lowmemorykiller: Killing 'syz-executor480' (2423) (tgid 2423), adj 1000, [ 90.993505] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 90.993505] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 90.993505] Free memory is -524kB above reserved [ 91.004573] lowmemorykiller: Killing 'syz-executor480' (2432) (tgid 2432), adj 1000, [ 91.004573] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 91.004573] cache 28504kB is below limit 65536kB for oom_score_adj 12 executing program [ 91.004573] Free memory is 10076kB above reserved [ 91.013512] lowmemorykiller: Killing 'syz-executor480' (2435) (tgid 2435), adj 1000, [ 91.013512] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 91.013512] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 91.013512] Free memory is 19252kB above reserved executing program executing program [ 91.026729] lowmemorykiller: Killing 'syz-executor480' (2438) (tgid 2438), adj 1000, [ 91.026729] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 91.026729] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 91.026729] Free memory is 25552kB above reserved [ 91.027367] lowmemorykiller: Killing 'syz-executor480' (2441) (tgid 2441), adj 1000, [ 91.027367] to free 12180kB on behalf of 'syz-executor480' (3967) because [ 91.027367] cache 28504kB is below limit 65536kB for oom_score_adj 12 [ 91.027367] Free memory is 37452kB above reserved executing program executing program [ 91.277515] lowmemorykiller: Killing 'syz-executor480' (3968) (tgid 3968), adj 1000, [ 91.277515] to free 12188kB on behalf of 'syz-executor480' (3989) because [ 91.277515] cache 28304kB is below limit 65536kB for oom_score_adj 12 [ 91.277515] Free memory is -13412kB above reserved [ 91.277521] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 91.277526] in_atomic(): 0, irqs_disabled(): 0, pid: 3989, name: syz-executor480 [ 91.277528] INFO: lockdep is turned off. [ 91.277544] Preemption disabled at: executing program [ 91.277544] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 91.277554] CPU: 1 PID: 3989 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 91.277567] ffff8801cb8e7018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 91.277577] ffff8801cf915f00 ffffffff810ce3d0 ffff8801cf915f00 ffff8801cb8e7050 [ 91.277592] ffffffff813fc74c ffff8801cf915f00 ffffffff82a38bc0 0000000000000387 executing program [ 91.277594] Call Trace: [ 91.277605] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 91.277612] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 91.277622] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa executing program executing program [ 91.277632] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 91.277639] [<000000005fbea0cd>] mmput+0x28/0x370 [ 91.277648] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 91.277655] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 91.277664] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 [ 91.277672] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 91.277681] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 91.277690] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 executing program [ 91.277699] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 91.277708] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 91.277715] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 91.277725] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 91.277733] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 91.277740] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 91.277749] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 91.277757] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 [ 91.277764] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 91.277771] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 91.277787] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 91.277794] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 91.277802] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 [ 91.277811] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 executing program [ 91.277818] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 91.277827] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 91.277834] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 91.277844] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 91.277852] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 91.277859] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 91.277866] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 91.277874] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 executing program [ 91.277882] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 91.277889] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 91.277896] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 91.277903] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 91.277910] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 91.277917] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 91.277924] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 91.277932] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 executing program executing program [ 91.277939] [<00000000073b60f1>] ? memset+0x32/0x40 [ 91.277947] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 91.277954] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 91.277961] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 91.277967] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 91.277975] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 [ 91.277982] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 91.277989] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 executing program executing program [ 91.277997] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 [ 91.278005] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 91.278013] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 91.278021] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 91.278027] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 91.278034] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 91.278043] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 91.304503] lowmemorykiller: Killing 'syz-executor480' (2447) (tgid 2447), adj 1000, executing program executing program [ 91.304503] to free 12180kB on behalf of 'syz-executor480' (3989) because [ 91.304503] cache 28104kB is below limit 65536kB for oom_score_adj 12 [ 91.304503] Free memory is -13240kB above reserved [ 91.313482] lowmemorykiller: Killing 'syz-executor480' (2450) (tgid 2450), adj 1000, [ 91.313482] to free 12180kB on behalf of 'syz-executor480' (3989) because [ 91.313482] cache 28104kB is below limit 65536kB for oom_score_adj 12 [ 91.313482] Free memory is 4236kB above reserved executing program [ 91.323488] lowmemorykiller: Killing 'syz-executor480' (2453) (tgid 2453), adj 1000, [ 91.323488] to free 12180kB on behalf of 'syz-executor480' (3989) because [ 91.323488] cache 28104kB is below limit 65536kB for oom_score_adj 12 [ 91.323488] Free memory is 10436kB above reserved [ 91.324077] lowmemorykiller: Killing 'syz-executor480' (2456) (tgid 2456), adj 1000, [ 91.324077] to free 12180kB on behalf of 'syz-executor480' (3989) because [ 91.324077] cache 28104kB is below limit 65536kB for oom_score_adj 12 [ 91.324077] Free memory is 18128kB above reserved executing program [ 91.513513] lowmemorykiller: Killing 'syz-executor480' (3990) (tgid 3990), adj 1000, [ 91.513513] to free 12188kB on behalf of 'syz-executor480' (4005) because [ 91.513513] cache 27904kB is below limit 65536kB for oom_score_adj 12 [ 91.513513] Free memory is -13384kB above reserved [ 91.523495] lowmemorykiller: Killing 'syz-executor480' (2459) (tgid 2459), adj 1000, [ 91.523495] to free 12180kB on behalf of 'syz-executor480' (4005) because [ 91.523495] cache 27904kB is below limit 65536kB for oom_score_adj 12 [ 91.523495] Free memory is -10484kB above reserved executing program [ 91.524101] lowmemorykiller: Killing 'syz-executor480' (2462) (tgid 2462), adj 1000, [ 91.524101] to free 12180kB on behalf of 'syz-executor480' (4005) because [ 91.524101] cache 27904kB is below limit 65536kB for oom_score_adj 12 [ 91.524101] Free memory is -2784kB above reserved executing program [ 91.527208] lowmemorykiller: Killing 'syz-executor480' (2465) (tgid 2465), adj 1000, [ 91.527208] to free 12180kB on behalf of 'syz-executor480' (4005) because [ 91.527208] cache 27704kB is below limit 65536kB for oom_score_adj 12 [ 91.527208] Free memory is -1108kB above reserved [ 91.674171] lowmemorykiller: Killing 'syz-executor480' (4006) (tgid 4006), adj 1000, [ 91.674171] to free 12188kB on behalf of 'syz-executor480' (4018) because [ 91.674171] cache 27704kB is below limit 65536kB for oom_score_adj 12 [ 91.674171] Free memory is -13420kB above reserved executing program executing program [ 91.674738] lowmemorykiller: Killing 'syz-executor480' (2468) (tgid 2468), adj 1000, [ 91.674738] to free 12180kB on behalf of 'syz-executor480' (4018) because [ 91.674738] cache 27704kB is below limit 65536kB for oom_score_adj 12 [ 91.674738] Free memory is -2444kB above reserved [ 91.753512] lowmemorykiller: Killing 'syz-executor480' (2471) (tgid 2471), adj 1000, [ 91.753512] to free 12180kB on behalf of 'syz-executor480' (4024) because executing program executing program [ 91.753512] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 91.753512] Free memory is -13332kB above reserved [ 91.763505] lowmemorykiller: Killing 'syz-executor480' (2474) (tgid 2474), adj 1000, [ 91.763505] to free 12180kB on behalf of 'syz-executor480' (4024) because [ 91.763505] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 91.763505] Free memory is -10032kB above reserved [ 91.773528] lowmemorykiller: Killing 'syz-executor480' (2480) (tgid 2480), adj 1000, [ 91.773528] to free 12180kB on behalf of 'syz-executor480' (4024) because [ 91.773528] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 91.773528] Free memory is -2356kB above reserved [ 91.774156] lowmemorykiller: Killing 'syz-executor480' (2486) (tgid 2486), adj 1000, [ 91.774156] to free 12180kB on behalf of 'syz-executor480' (4024) because [ 91.774156] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 91.774156] Free memory is 11144kB above reserved [ 91.774455] lowmemorykiller: Killing 'syz-executor480' (2492) (tgid 2492), adj 1000, [ 91.774455] to free 12180kB on behalf of 'syz-executor480' (4024) because [ 91.774455] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 91.774455] Free memory is 12244kB above reserved [ 91.945629] lowmemorykiller: Killing 'syz-executor480' (4025) (tgid 4025), adj 1000, [ 91.945629] to free 12188kB on behalf of 'syz-executor480' (4040) because [ 91.945629] cache 27308kB is below limit 65536kB for oom_score_adj 12 [ 91.945629] Free memory is -13376kB above reserved [ 91.946028] lowmemorykiller: Killing 'syz-executor480' (2498) (tgid 2498), adj 1000, [ 91.946028] to free 12180kB on behalf of 'syz-executor480' (4040) because [ 91.946028] cache 27308kB is below limit 65536kB for oom_score_adj 12 [ 91.946028] Free memory is -11476kB above reserved [ 92.018073] lowmemorykiller: Killing 'syz-executor480' (2501) (tgid 2501), adj 1000, executing program executing program [ 92.018073] to free 12180kB on behalf of 'syz-executor480' (4046) because [ 92.018073] cache 27112kB is below limit 65536kB for oom_score_adj 12 [ 92.018073] Free memory is -13348kB above reserved [ 92.079117] lowmemorykiller: Killing 'syz-executor480' (2504) (tgid 2504), adj 1000, [ 92.079117] to free 12180kB on behalf of 'syz-executor480' (2080) because [ 92.079117] cache 26912kB is below limit 65536kB for oom_score_adj 12 [ 92.079117] Free memory is -12752kB above reserved [ 92.148723] lowmemorykiller: Killing 'syz-executor480' (2507) (tgid 2507), adj 1000, executing program executing program [ 92.148723] to free 12180kB on behalf of 'syz-executor480' (4055) because [ 92.148723] cache 22668kB is below limit 65536kB for oom_score_adj 12 [ 92.148723] Free memory is -13276kB above reserved [ 92.156372] lowmemorykiller: Killing 'syz-executor480' (2510) (tgid 2510), adj 1000, [ 92.156372] to free 12180kB on behalf of 'syz-executor480' (4055) because [ 92.156372] cache 22468kB is below limit 65536kB for oom_score_adj 12 [ 92.156372] Free memory is -13324kB above reserved executing program [ 92.222873] lowmemorykiller: Killing 'syz-executor480' (2513) (tgid 2513), adj 1000, [ 92.222873] to free 12180kB on behalf of 'syz-executor480' (4061) because [ 92.222873] cache 22184kB is below limit 65536kB for oom_score_adj 12 [ 92.222873] Free memory is -13248kB above reserved [ 92.243833] lowmemorykiller: Killing 'syz-executor480' (2516) (tgid 2516), adj 1000, [ 92.243833] to free 12180kB on behalf of 'syz-executor480' (4061) because [ 92.243833] cache 22084kB is below limit 65536kB for oom_score_adj 12 [ 92.243833] Free memory is -13264kB above reserved executing program executing program [ 92.253461] lowmemorykiller: Killing 'syz-executor480' (2522) (tgid 2522), adj 1000, [ 92.253461] to free 12180kB on behalf of 'syz-executor480' (4061) because [ 92.253461] cache 21984kB is below limit 65536kB for oom_score_adj 12 [ 92.253461] Free memory is 4512kB above reserved [ 92.253877] lowmemorykiller: Killing 'syz-executor480' (2528) (tgid 2528), adj 1000, [ 92.253877] to free 12180kB on behalf of 'syz-executor480' (4061) because [ 92.253877] cache 22084kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 92.253877] Free memory is 12012kB above reserved [ 92.417179] lowmemorykiller: Killing 'syz-executor480' (4062) (tgid 4062), adj 1000, [ 92.417179] to free 12188kB on behalf of 'syz-executor480' (4074) because [ 92.417179] cache 21888kB is below limit 65536kB for oom_score_adj 12 [ 92.417179] Free memory is -13364kB above reserved [ 92.424555] lowmemorykiller: Killing 'syz-executor480' (2531) (tgid 2531), adj 1000, [ 92.424555] to free 12180kB on behalf of 'syz-executor480' (4074) because [ 92.424555] cache 21888kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 92.424555] Free memory is -8936kB above reserved [ 92.433480] lowmemorykiller: Killing 'syz-executor480' (2534) (tgid 2534), adj 1000, [ 92.433480] to free 12180kB on behalf of 'syz-executor480' (4074) because [ 92.433480] cache 21888kB is below limit 65536kB for oom_score_adj 12 [ 92.433480] Free memory is -4636kB above reserved [ 92.444581] lowmemorykiller: Killing 'syz-executor480' (2537) (tgid 2537), adj 1000, [ 92.444581] to free 12180kB on behalf of 'syz-executor480' (4074) because [ 92.444581] cache 21888kB is below limit 65536kB for oom_score_adj 12 [ 92.444581] Free memory is 1964kB above reserved [ 92.453477] lowmemorykiller: Killing 'syz-executor480' (2543) (tgid 2543), adj 1000, [ 92.453477] to free 12180kB on behalf of 'syz-executor480' (4074) because [ 92.453477] cache 21876kB is below limit 65536kB for oom_score_adj 12 [ 92.453477] Free memory is 11480kB above reserved [ 92.453985] lowmemorykiller: Killing 'syz-executor480' (2549) (tgid 2549), adj 1000, [ 92.453985] to free 12180kB on behalf of 'syz-executor480' (4074) because [ 92.453985] cache 21876kB is below limit 65536kB for oom_score_adj 12 [ 92.453985] Free memory is 17880kB above reserved [ 92.453990] BUG: sleeping function called from invalid context at kernel/fork.c:903 executing program executing program [ 92.453995] in_atomic(): 0, irqs_disabled(): 0, pid: 4074, name: syz-executor480 [ 92.453997] INFO: lockdep is turned off. [ 92.454013] Preemption disabled at: [ 92.454013] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 92.454023] CPU: 0 PID: 4074 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 92.454036] ffff8801ca807018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 92.454046] ffff8801ccdfc740 ffffffff810ce3d0 ffff8801ccdfc740 ffff8801ca807050 [ 92.454055] ffffffff813fc74c ffff8801ccdfc740 ffffffff82a38bc0 0000000000000387 executing program executing program [ 92.454057] Call Trace: [ 92.454067] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 92.454075] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 92.454084] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 92.454094] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 92.454101] [<000000005fbea0cd>] mmput+0x28/0x370 [ 92.454110] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 92.454117] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 92.454125] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 executing program executing program [ 92.454135] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 92.454143] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 92.454152] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 92.454162] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 92.454170] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 92.454178] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 92.454188] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 92.454197] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 executing program [ 92.454205] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 92.454213] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 92.454221] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 [ 92.454228] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 92.454236] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 92.454243] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 92.454250] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 92.454259] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 executing program [ 92.454268] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 92.454275] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 92.454283] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 92.454292] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 92.454299] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 92.454307] [<000000002927baba>] __do_fault+0x2a8/0x6c0 executing program [ 92.454313] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 92.454320] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 [ 92.454327] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 92.454335] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 92.454341] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 92.454348] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 92.454356] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 92.454363] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 [ 92.454370] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 92.454377] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 92.454385] [<00000000073b60f1>] ? memset+0x32/0x40 executing program [ 92.454392] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 92.454399] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 92.454407] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 92.454413] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 92.454420] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 [ 92.454427] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 92.454435] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 92.454443] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 executing program executing program [ 92.454451] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 92.454459] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 92.454466] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 92.454472] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 92.454479] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 92.454487] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 92.663477] lowmemorykiller: Killing 'syz-executor480' (4075) (tgid 4075), adj 1000, executing program executing program [ 92.663477] to free 12188kB on behalf of 'syz-executor480' (4099) because [ 92.663477] cache 21724kB is below limit 65536kB for oom_score_adj 12 [ 92.663477] Free memory is -13312kB above reserved [ 92.673468] lowmemorykiller: Killing 'syz-executor480' (2552) (tgid 2552), adj 1000, [ 92.673468] to free 12180kB on behalf of 'syz-executor480' (4099) because [ 92.673468] cache 21724kB is below limit 65536kB for oom_score_adj 12 [ 92.673468] Free memory is -6312kB above reserved [ 92.683475] lowmemorykiller: Killing 'syz-executor480' (2555) (tgid 2555), adj 1000, executing program executing program [ 92.683475] to free 12180kB on behalf of 'syz-executor480' (4099) because [ 92.683475] cache 21724kB is below limit 65536kB for oom_score_adj 12 [ 92.683475] Free memory is 1588kB above reserved [ 92.691511] lowmemorykiller: Killing 'syz-executor480' (2558) (tgid 2558), adj 1000, [ 92.691511] to free 12180kB on behalf of 'syz-executor480' (4099) because [ 92.691511] cache 21724kB is below limit 65536kB for oom_score_adj 12 [ 92.691511] Free memory is 9688kB above reserved [ 92.691952] lowmemorykiller: Killing 'syz-executor480' (2561) (tgid 2561), adj 1000, executing program [ 92.691952] to free 12180kB on behalf of 'syz-executor480' (4099) because [ 92.691952] cache 21724kB is below limit 65536kB for oom_score_adj 12 [ 92.691952] Free memory is 14488kB above reserved [ 92.863469] lowmemorykiller: Killing 'syz-executor480' (4100) (tgid 4100), adj 1000, [ 92.863469] to free 12188kB on behalf of 'syz-executor480' (4115) because [ 92.863469] cache 21568kB is below limit 65536kB for oom_score_adj 12 [ 92.863469] Free memory is -13388kB above reserved executing program executing program [ 92.863909] lowmemorykiller: Killing 'syz-executor480' (2564) (tgid 2564), adj 1000, [ 92.863909] to free 12180kB on behalf of 'syz-executor480' (4115) because [ 92.863909] cache 21568kB is below limit 65536kB for oom_score_adj 12 [ 92.863909] Free memory is -6488kB above reserved [ 92.917137] lowmemorykiller: Killing 'syz-executor480' (2570) (tgid 2570), adj 1000, [ 92.917137] to free 12180kB on behalf of 'syz-executor480' (2080) because [ 92.917137] cache 21412kB is below limit 65536kB for oom_score_adj 12 [ 92.917137] Free memory is -9172kB above reserved [ 92.920862] lowmemorykiller: Killing 'syz-executor480' (2573) (tgid 2573), adj 1000, [ 92.920862] to free 12180kB on behalf of 'syz-executor480' (4120) because [ 92.920862] cache 20612kB is below limit 65536kB for oom_score_adj 12 [ 92.920862] Free memory is -9104kB above reserved executing program executing program [ 92.997846] lowmemorykiller: Killing 'syz-executor480' (2576) (tgid 2576), adj 1000, [ 92.997846] to free 12180kB on behalf of 'syz-executor480' (4127) because [ 92.997846] cache 20396kB is below limit 65536kB for oom_score_adj 12 [ 92.997846] Free memory is -13296kB above reserved [ 93.043485] lowmemorykiller: Killing 'syz-executor480' (2579) (tgid 2579), adj 1000, [ 93.043485] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.043485] cache 20256kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 93.043485] Free memory is -13356kB above reserved [ 93.053471] lowmemorykiller: Killing 'syz-executor480' (2582) (tgid 2582), adj 1000, [ 93.053471] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.053471] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.053471] Free memory is -4456kB above reserved [ 93.063156] lowmemorykiller: Killing 'syz-executor480' (2585) (tgid 2585), adj 1000, [ 93.063156] to free 12180kB on behalf of 'syz-executor480' (4130) because executing program [ 93.063156] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.063156] Free memory is 3220kB above reserved [ 93.073465] lowmemorykiller: Killing 'syz-executor480' (2588) (tgid 2588), adj 1000, [ 93.073465] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.073465] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.073465] Free memory is 10620kB above reserved [ 93.083480] lowmemorykiller: Killing 'syz-executor480' (2591) (tgid 2591), adj 1000, [ 93.083480] to free 12180kB on behalf of 'syz-executor480' (4130) because executing program executing program [ 93.083480] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.083480] Free memory is 18920kB above reserved [ 93.093478] lowmemorykiller: Killing 'syz-executor480' (2600) (tgid 2600), adj 1000, [ 93.093478] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.093478] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.093478] Free memory is 27120kB above reserved [ 93.103467] lowmemorykiller: Killing 'syz-executor480' (2606) (tgid 2606), adj 1000, [ 93.103467] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.103467] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.103467] Free memory is 34620kB above reserved executing program executing program [ 93.113468] lowmemorykiller: Killing 'syz-executor480' (2609) (tgid 2609), adj 1000, [ 93.113468] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.113468] cache 20256kB is below limit 65536kB for oom_score_adj 12 [ 93.113468] Free memory is 42808kB above reserved [ 93.123472] lowmemorykiller: Killing 'syz-executor480' (2615) (tgid 2615), adj 1000, [ 93.123472] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.123472] cache 20256kB is below limit 65536kB for oom_score_adj 12 executing program [ 93.123472] Free memory is 50792kB above reserved [ 93.133471] lowmemorykiller: Killing 'syz-executor480' (2621) (tgid 2621), adj 1000, [ 93.133471] to free 12180kB on behalf of 'syz-executor480' (4130) because [ 93.133471] cache 20156kB is below limit 65536kB for oom_score_adj 12 [ 93.133471] Free memory is 58972kB above reserved [ 93.445640] lowmemorykiller: Killing 'syz-executor480' (4131) (tgid 4131), adj 1000, [ 93.445640] to free 12188kB on behalf of 'syz-executor480' (4161) because executing program executing program [ 93.445640] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.445640] Free memory is -13348kB above reserved [ 93.453470] lowmemorykiller: Killing 'syz-executor480' (2627) (tgid 2627), adj 1000, [ 93.453470] to free 12180kB on behalf of 'syz-executor480' (4161) because [ 93.453470] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.453470] Free memory is -10548kB above reserved [ 93.463481] lowmemorykiller: Killing 'syz-executor480' (2636) (tgid 2636), adj 1000, executing program executing program [ 93.463481] to free 12180kB on behalf of 'syz-executor480' (4161) because [ 93.463481] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.463481] Free memory is -5348kB above reserved [ 93.472152] lowmemorykiller: Killing 'syz-executor480' (2639) (tgid 2639), adj 1000, [ 93.472152] to free 12180kB on behalf of 'syz-executor480' (4161) because [ 93.472152] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.472152] Free memory is 2852kB above reserved [ 93.483510] lowmemorykiller: Killing 'syz-executor480' (2642) (tgid 2642), adj 1000, executing program [ 93.483510] to free 12180kB on behalf of 'syz-executor480' (4161) because [ 93.483510] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.483510] Free memory is 8336kB above reserved [ 93.484088] lowmemorykiller: Killing 'syz-executor480' (2645) (tgid 2645), adj 1000, [ 93.484088] to free 12180kB on behalf of 'syz-executor480' (4161) because [ 93.484088] cache 20116kB is below limit 65536kB for oom_score_adj 12 [ 93.484088] Free memory is 18148kB above reserved executing program executing program [ 93.484093] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 93.484098] in_atomic(): 0, irqs_disabled(): 0, pid: 4161, name: syz-executor480 [ 93.484100] INFO: lockdep is turned off. [ 93.484116] Preemption disabled at: [ 93.484116] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 93.484126] CPU: 0 PID: 4161 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 93.484140] ffff8801ca917018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 93.484150] ffff8801ca89df00 ffffffff810ce3d0 ffff8801ca89df00 ffff8801ca917050 [ 93.484159] ffffffff813fc74c ffff8801ca89df00 ffffffff82a38bc0 0000000000000387 [ 93.484161] Call Trace: executing program executing program [ 93.484171] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 93.484178] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 93.484188] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 93.484197] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 [ 93.484205] [<000000005fbea0cd>] mmput+0x28/0x370 [ 93.484213] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 93.484221] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 93.484230] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 executing program executing program [ 93.484239] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 93.484247] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 93.484256] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 93.484265] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 [ 93.484273] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 93.484281] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 93.484291] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 93.484299] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 executing program [ 93.484306] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 93.484314] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 93.484322] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 [ 93.484329] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 93.484337] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 93.484344] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 93.484351] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 93.484360] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 executing program executing program [ 93.484370] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 93.484376] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 93.484384] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 93.484393] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 93.484401] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 93.484408] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 93.484415] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 93.484423] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 executing program [ 93.484431] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 93.484438] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 93.484445] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 93.484451] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 93.484458] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 93.484466] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 executing program [ 93.484473] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 93.484480] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 [ 93.484488] [<00000000073b60f1>] ? memset+0x32/0x40 [ 93.484495] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 93.484502] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 93.484510] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 93.484516] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 93.484529] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 [ 93.484536] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 93.484543] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 93.484553] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 [ 93.484561] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 executing program [ 93.484569] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 93.484576] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 93.484582] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 93.484590] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 93.484598] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 93.677316] lowmemorykiller: Killing 'syz-executor480' (4162) (tgid 4162), adj 1000, [ 93.677316] to free 12188kB on behalf of 'syz-executor480' (4180) because executing program executing program [ 93.677316] cache 19976kB is below limit 65536kB for oom_score_adj 12 [ 93.677316] Free memory is -13284kB above reserved [ 93.693489] lowmemorykiller: Killing 'syz-executor480' (2648) (tgid 2648), adj 1000, [ 93.693489] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.693489] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.693489] Free memory is -13352kB above reserved [ 93.703475] lowmemorykiller: Killing 'syz-executor480' (2654) (tgid 2654), adj 1000, executing program executing program [ 93.703475] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.703475] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.703475] Free memory is -52kB above reserved [ 93.710998] lowmemorykiller: Killing 'syz-executor480' (2660) (tgid 2660), adj 1000, [ 93.710998] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.710998] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.710998] Free memory is 10156kB above reserved [ 93.718278] lowmemorykiller: Killing 'syz-executor480' (2669) (tgid 2669), adj 1000, executing program executing program [ 93.718278] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.718278] cache 19776kB is below limit 65536kB for oom_score_adj 12 [ 93.718278] Free memory is 13956kB above reserved [ 93.726719] lowmemorykiller: Killing 'syz-executor480' (2672) (tgid 2672), adj 1000, [ 93.726719] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.726719] cache 19776kB is below limit 65536kB for oom_score_adj 12 [ 93.726719] Free memory is 18056kB above reserved executing program [ 93.738907] lowmemorykiller: Killing 'syz-executor480' (2681) (tgid 2681), adj 1000, [ 93.738907] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.738907] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.738907] Free memory is 23656kB above reserved [ 93.756455] lowmemorykiller: Killing 'syz-executor480' (2684) (tgid 2684), adj 1000, [ 93.756455] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.756455] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.756455] Free memory is 34156kB above reserved executing program [ 93.763475] lowmemorykiller: Killing 'syz-executor480' (2693) (tgid 2693), adj 1000, [ 93.763475] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.763475] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.763475] Free memory is 51432kB above reserved [ 93.773479] lowmemorykiller: Killing 'syz-executor480' (2696) (tgid 2696), adj 1000, [ 93.773479] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.773479] cache 19776kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 93.773479] Free memory is 55032kB above reserved [ 93.783478] lowmemorykiller: Killing 'syz-executor480' (2699) (tgid 2699), adj 1000, [ 93.783478] to free 12180kB on behalf of 'syz-executor480' (4180) because [ 93.783478] cache 19876kB is below limit 65536kB for oom_score_adj 12 [ 93.783478] Free memory is 62932kB above reserved [ 94.131571] lowmemorykiller: Killing 'syz-executor480' (4181) (tgid 4181), adj 1000, executing program [ 94.131571] to free 12188kB on behalf of 'syz-executor480' (4214) because [ 94.131571] cache 19696kB is below limit 65536kB for oom_score_adj 12 [ 94.131571] Free memory is -13372kB above reserved [ 94.164114] lowmemorykiller: Killing 'syz-executor480' (2702) (tgid 2702), adj 1000, [ 94.164114] to free 12180kB on behalf of 'syz-executor480' (4214) because [ 94.164114] cache 19596kB is below limit 65536kB for oom_score_adj 12 [ 94.164114] Free memory is -13304kB above reserved [ 94.164949] lowmemorykiller: Killing 'syz-executor480' (2705) (tgid 2705), adj 1000, [ 94.164949] to free 12180kB on behalf of 'syz-executor480' (4214) because [ 94.164949] cache 19596kB is below limit 65536kB for oom_score_adj 12 [ 94.164949] Free memory is -5728kB above reserved [ 94.174577] lowmemorykiller: Killing 'syz-executor480' (2720) (tgid 2720), adj 1000, [ 94.174577] to free 12180kB on behalf of 'syz-executor480' (4214) because executing program [ 94.174577] cache 19596kB is below limit 65536kB for oom_score_adj 12 [ 94.174577] Free memory is -4328kB above reserved [ 94.185895] lowmemorykiller: Killing 'syz-executor480' (2723) (tgid 2723), adj 1000, [ 94.185895] to free 12180kB on behalf of 'syz-executor480' (4214) because [ 94.185895] cache 19596kB is below limit 65536kB for oom_score_adj 12 [ 94.185895] Free memory is 9656kB above reserved [ 94.193493] lowmemorykiller: Killing 'syz-executor480' (2726) (tgid 2726), adj 1000, executing program executing program [ 94.193493] to free 12180kB on behalf of 'syz-executor480' (4214) because [ 94.193493] cache 19596kB is below limit 65536kB for oom_score_adj 12 [ 94.193493] Free memory is 24856kB above reserved [ 94.193930] lowmemorykiller: Killing 'syz-executor480' (2729) (tgid 2729), adj 1000, [ 94.193930] to free 12180kB on behalf of 'syz-executor480' (4214) because [ 94.193930] cache 19496kB is below limit 65536kB for oom_score_adj 12 [ 94.193930] Free memory is 29356kB above reserved executing program [ 94.433518] lowmemorykiller: Killing 'syz-executor480' (4215) (tgid 4215), adj 1000, [ 94.433518] to free 12188kB on behalf of 'syz-executor480' (4236) because [ 94.433518] cache 19420kB is below limit 65536kB for oom_score_adj 12 [ 94.433518] Free memory is -13376kB above reserved [ 94.434127] lowmemorykiller: Killing 'syz-executor480' (2732) (tgid 2732), adj 1000, [ 94.434127] to free 12180kB on behalf of 'syz-executor480' (4236) because executing program executing program [ 94.434127] cache 19420kB is below limit 65536kB for oom_score_adj 12 [ 94.434127] Free memory is -8176kB above reserved [ 94.502574] lowmemorykiller: Killing 'syz-executor480' (4237) (tgid 4237), adj 1000, [ 94.502574] to free 12188kB on behalf of 'syz-executor480' (4243) because [ 94.502574] cache 19280kB is below limit 65536kB for oom_score_adj 12 [ 94.502574] Free memory is -13424kB above reserved [ 94.502580] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 94.502585] in_atomic(): 0, irqs_disabled(): 0, pid: 4243, name: syz-executor480 [ 94.502587] INFO: lockdep is turned off. [ 94.502603] Preemption disabled at: [ 94.502603] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 94.502612] CPU: 0 PID: 4243 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 [ 94.502625] ffff88015e717018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 94.502635] ffff88015e6b17c0 ffffffff810ce3d0 ffff88015e6b17c0 ffff88015e717050 [ 94.502645] ffffffff813fc74c ffff88015e6b17c0 ffffffff82a38bc0 0000000000000387 [ 94.502647] Call Trace: [ 94.502657] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 94.502664] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 94.502674] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 94.502683] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 executing program executing program [ 94.502690] [<000000005fbea0cd>] mmput+0x28/0x370 [ 94.502699] [<00000000aec74dda>] handle_lmk_event+0xea/0x8a0 [ 94.502706] [<000000000b23fad8>] lowmem_scan+0x695/0xb50 [ 94.502715] [<00000000b4a06976>] shrink_slab.part.0+0x3cf/0xa20 [ 94.502724] [<000000000a464b02>] ? unregister_shrinker+0x230/0x230 [ 94.502732] [<00000000bdefe8a4>] shrink_node+0x1ed/0x750 [ 94.502741] [<00000000ad78299b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 94.502750] [<00000000967f0cd0>] ? __delayacct_freepages_start+0x41/0x80 executing program executing program [ 94.502758] [<00000000e322c55f>] try_to_free_pages+0x397/0xbd0 [ 94.502766] [<00000000599c0c5a>] ? shrink_node+0x750/0x750 [ 94.502785] [<00000000dfe33164>] __alloc_pages_nodemask+0x930/0x1a80 [ 94.502794] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 94.502809] [<00000000d1848b56>] ? __radix_tree_lookup+0x183/0x220 [ 94.502818] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 94.502826] [<000000001de5f8e6>] ? __radix_tree_lookup+0x220/0x220 executing program [ 94.502833] [<000000008ed49d56>] ? find_get_entry+0x2a9/0x510 [ 94.502840] [<00000000f24f0e08>] ? find_get_entry+0x2d0/0x510 [ 94.502848] [<00000000fe0f5fd3>] ? page_cache_prev_hole+0x80/0x80 [ 94.502855] [<00000000ad2cdae3>] ? find_lock_entry+0xdd/0x200 [ 94.502863] [<000000006db2df9e>] shmem_getpage_gfp+0x3f3/0x1b00 [ 94.502872] [<000000008caf8596>] ? __shmem_file_setup.part.0+0x420/0x420 [ 94.502879] [<00000000e0b2641c>] ? trace_hardirqs_on+0x10/0x10 [ 94.502887] [<00000000e7aff2fc>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program executing program [ 94.502895] [<000000002a4920e7>] shmem_fault+0x216/0x6b0 [ 94.502904] [<00000000958185d0>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 94.502911] [<00000000011da226>] ? filemap_map_pages+0x813/0xc30 [ 94.502919] [<000000002927baba>] __do_fault+0x2a8/0x6c0 [ 94.502926] [<0000000091d54bfb>] ? do_page_mkwrite+0x400/0x400 [ 94.502934] [<0000000075059163>] ? handle_mm_fault+0x1ba8/0x2420 [ 94.502942] [<00000000003455f8>] handle_mm_fault+0x11bc/0x2420 [ 94.502949] [<00000000b7886ad4>] ? vm_insert_page+0x840/0x840 [ 94.502956] [<0000000035d75bb8>] ? follow_page_mask+0x583/0xf20 [ 94.502962] [<00000000ea822f57>] ? follow_page_mask+0x5e5/0xf20 [ 94.502970] [<00000000782c9fdc>] ? follow_page_mask+0x38a/0xf20 [ 94.502977] [<00000000993a39ca>] __get_user_pages+0x3c7/0x1060 executing program [ 94.502984] [<00000000cca6a436>] ? uprobe_mmap+0xe8/0xa20 [ 94.502991] [<00000000ed1b802f>] ? follow_page_mask+0xf20/0xf20 executing program [ 94.502998] [<00000000073b60f1>] ? memset+0x32/0x40 [ 94.503005] [<00000000318d97db>] populate_vma_page_range+0x19a/0x230 [ 94.503012] [<0000000021fac2b1>] __mm_populate+0x1b9/0x300 [ 94.503020] [<0000000010c57e4e>] ? populate_vma_page_range+0x230/0x230 [ 94.503026] [<00000000feaea212>] ? vm_mmap_pgoff+0x188/0x1c0 [ 94.503039] [<00000000069a3b43>] ? do_mmap+0x594/0xbc0 [ 94.503046] [<000000001c78859c>] vm_mmap_pgoff+0x1aa/0x1c0 [ 94.503053] [<00000000af7ce0f3>] ? vma_is_stack_for_current+0xa0/0xa0 [ 94.503063] [<00000000838830e2>] ? do_futex+0x1a70/0x1a70 executing program executing program [ 94.503071] [<000000004799f48f>] ? __do_page_fault+0x545/0xa60 [ 94.503079] [<000000001cfbd454>] SyS_mmap_pgoff+0x14d/0x1b0 [ 94.503086] [<00000000c6f9d02b>] ? align_vdso_addr+0x60/0x60 [ 94.503092] [<00000000e905427d>] SyS_mmap+0x16/0x20 [ 94.503099] [<00000000b3e11328>] do_syscall_64+0x1ad/0x570 [ 94.503108] [<00000000e558849e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 94.513533] lowmemorykiller: Killing 'syz-executor480' (2735) (tgid 2735), adj 1000, executing program executing program [ 94.513533] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.513533] cache 19280kB is below limit 65536kB for oom_score_adj 12 [ 94.513533] Free memory is -13424kB above reserved [ 94.523478] lowmemorykiller: Killing 'syz-executor480' (2738) (tgid 2738), adj 1000, [ 94.523478] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.523478] cache 19280kB is below limit 65536kB for oom_score_adj 12 [ 94.523478] Free memory is -11060kB above reserved [ 94.533511] lowmemorykiller: Killing 'syz-executor480' (2741) (tgid 2741), adj 1000, executing program [ 94.533511] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.533511] cache 19180kB is below limit 65536kB for oom_score_adj 12 [ 94.533511] Free memory is 7116kB above reserved [ 94.543509] lowmemorykiller: Killing 'syz-executor480' (2750) (tgid 2750), adj 1000, [ 94.543509] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.543509] cache 19180kB is below limit 65536kB for oom_score_adj 12 [ 94.543509] Free memory is 14904kB above reserved executing program executing program [ 94.554564] lowmemorykiller: Killing 'syz-executor480' (2753) (tgid 2753), adj 1000, [ 94.554564] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.554564] cache 19180kB is below limit 65536kB for oom_score_adj 12 [ 94.554564] Free memory is 22804kB above reserved [ 94.563465] lowmemorykiller: Killing 'syz-executor480' (2756) (tgid 2756), adj 1000, [ 94.563465] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.563465] cache 19080kB is below limit 65536kB for oom_score_adj 12 executing program [ 94.563465] Free memory is 32104kB above reserved [ 94.563846] lowmemorykiller: Killing 'syz-executor480' (2759) (tgid 2759), adj 1000, [ 94.563846] to free 12180kB on behalf of 'syz-executor480' (4243) because [ 94.563846] cache 19180kB is below limit 65536kB for oom_score_adj 12 [ 94.563846] Free memory is 38304kB above reserved [ 94.807688] lowmemorykiller: Killing 'syz-executor480' (4244) (tgid 4244), adj 1000, [ 94.807688] to free 12188kB on behalf of 'syz-executor480' (4267) because [ 94.807688] cache 19144kB is below limit 65536kB for oom_score_adj 12 executing program [ 94.807688] Free memory is -9396kB above reserved executing program [ 94.826673] lowmemorykiller: Killing 'syz-executor480' (2762) (tgid 2762), adj 1000, [ 94.826673] to free 12180kB on behalf of 'syz-executor480' (4268) because [ 94.826673] cache 18344kB is below limit 65536kB for oom_score_adj 12 [ 94.826673] Free memory is -13320kB above reserved [ 94.892498] lowmemorykiller: Killing 'syz-executor480' (2765) (tgid 2765), adj 1000, [ 94.892498] to free 12180kB on behalf of 'syz-executor480' (4274) because [ 94.892498] cache 18140kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 94.892498] Free memory is -13324kB above reserved [ 94.913469] lowmemorykiller: Killing 'syz-executor480' (2768) (tgid 2768), adj 1000, [ 94.913469] to free 12180kB on behalf of 'syz-executor480' (4274) because [ 94.913469] cache 17940kB is below limit 65536kB for oom_score_adj 12 [ 94.913469] Free memory is -13316kB above reserved [ 94.923482] lowmemorykiller: Killing 'syz-executor480' (2771) (tgid 2771), adj 1000, [ 94.923482] to free 12180kB on behalf of 'syz-executor480' (4274) because executing program [ 94.923482] cache 18040kB is below limit 65536kB for oom_score_adj 12 [ 94.923482] Free memory is -2148kB above reserved [ 94.933518] lowmemorykiller: Killing 'syz-executor480' (2774) (tgid 2774), adj 1000, [ 94.933518] to free 12180kB on behalf of 'syz-executor480' (4274) because [ 94.933518] cache 18040kB is below limit 65536kB for oom_score_adj 12 [ 94.933518] Free memory is 9148kB above reserved executing program [ 94.933974] lowmemorykiller: Killing 'syz-executor480' (2777) (tgid 2777), adj 1000, [ 94.933974] to free 12180kB on behalf of 'syz-executor480' (4274) because [ 94.933974] cache 17940kB is below limit 65536kB for oom_score_adj 12 [ 94.933974] Free memory is 16948kB above reserved [ 95.095647] lowmemorykiller: Killing 'syz-executor480' (4275) (tgid 4275), adj 1000, [ 95.095647] to free 12188kB on behalf of 'syz-executor480' (4290) because [ 95.095647] cache 17884kB is below limit 65536kB for oom_score_adj 12 executing program [ 95.095647] Free memory is -13280kB above reserved [ 95.096008] lowmemorykiller: Killing 'syz-executor480' (2783) (tgid 2783), adj 1000, [ 95.096008] to free 12180kB on behalf of 'syz-executor480' (4290) because [ 95.096008] cache 17884kB is below limit 65536kB for oom_score_adj 12 [ 95.096008] Free memory is -12080kB above reserved [ 95.165852] lowmemorykiller: Killing 'syz-executor480' (2786) (tgid 2786), adj 1000, [ 95.165852] to free 12180kB on behalf of 'syz-executor480' (4296) because executing program executing program [ 95.165852] cache 17756kB is below limit 65536kB for oom_score_adj 12 [ 95.165852] Free memory is -13328kB above reserved [ 95.190236] lowmemorykiller: Killing 'syz-executor480' (2789) (tgid 2789), adj 1000, [ 95.190236] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.190236] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.190236] Free memory is -13376kB above reserved [ 95.198945] lowmemorykiller: Killing 'syz-executor480' (2792) (tgid 2792), adj 1000, [ 95.198945] to free 12180kB on behalf of 'syz-executor480' (4296) because executing program [ 95.198945] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.198945] Free memory is -13376kB above reserved [ 95.205627] lowmemorykiller: Killing 'syz-executor480' (2795) (tgid 2795), adj 1000, [ 95.205627] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.205627] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.205627] Free memory is -5376kB above reserved executing program [ 95.214548] lowmemorykiller: Killing 'syz-executor480' (2798) (tgid 2798), adj 1000, [ 95.214548] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.214548] cache 17556kB is below limit 65536kB for oom_score_adj 12 [ 95.214548] Free memory is 5020kB above reserved [ 95.214971] lowmemorykiller: Killing 'syz-executor480' (2804) (tgid 2804), adj 1000, [ 95.214971] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.214971] cache 17656kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 95.214971] Free memory is 21220kB above reserved [ 95.225638] lowmemorykiller: Killing 'syz-executor480' (2807) (tgid 2807), adj 1000, [ 95.225638] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.225638] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.225638] Free memory is 21320kB above reserved [ 95.226045] lowmemorykiller: Killing 'syz-executor480' (2810) (tgid 2810), adj 1000, [ 95.226045] to free 12180kB on behalf of 'syz-executor480' (4296) because executing program [ 95.226045] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.226045] Free memory is 37420kB above reserved [ 95.235630] lowmemorykiller: Killing 'syz-executor480' (2813) (tgid 2813), adj 1000, [ 95.235630] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.235630] cache 17656kB is below limit 65536kB for oom_score_adj 12 [ 95.235630] Free memory is 37920kB above reserved executing program executing program [ 95.236144] lowmemorykiller: Killing 'syz-executor480' (2825) (tgid 2825), adj 1000, [ 95.236144] to free 12180kB on behalf of 'syz-executor480' (4296) because [ 95.236144] cache 17556kB is below limit 65536kB for oom_score_adj 12 [ 95.236144] Free memory is 51872kB above reserved [ 95.551440] lowmemorykiller: Killing 'syz-executor480' (4297) (tgid 4297), adj 1000, [ 95.551440] to free 12188kB on behalf of 'syz-executor480' (4327) because [ 95.551440] cache 17500kB is below limit 65536kB for oom_score_adj 12 [ 95.551440] Free memory is -13384kB above reserved [ 95.551446] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 95.551451] in_atomic(): 0, irqs_disabled(): 0, pid: 4327, name: syz-executor480 [ 95.551453] INFO: lockdep is turned off. [ 95.551468] Preemption disabled at: [ 95.551469] [<0000000081a94915>] get_task_mm+0x20/0xc0 [ 95.551478] CPU: 0 PID: 4327 Comm: syz-executor480 Tainted: G W 4.9.174+ #3 executing program executing program [ 95.551492] ffff88011e427018 ffffffff81b4f9e1 0000000000000000 0000000000000001 [ 95.551502] ffff88011e460000 ffffffff810ce3d0 ffff88011e460000 ffff88011e427050 [ 95.551512] ffffffff813fc74c ffff88011e460000 ffffffff82a38bc0 0000000000000387 [ 95.551514] Call Trace: [ 95.551524] [<00000000553f0fd9>] dump_stack+0xc1/0x120 [ 95.551531] [<0000000081a94915>] ? get_task_mm+0x20/0xc0 [ 95.551541] [<00000000a99f736b>] ___might_sleep.cold+0x1c1/0x1fa [ 95.551550] [<00000000bfb4c74e>] __might_sleep+0x95/0x1a0 executing program