[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.065015] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.666218] random: sshd: uninitialized urandom read (32 bytes read) [ 29.689800] random: crng init done Warning: Permanently added '10.128.0.252' (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 [ 71.796248] lowmemorykiller: Killing 'syz-executor499' (2078) (tgid 2078), adj 1000, [ 71.796248] to free 12172kB on behalf of 'kswapd0' (33) because [ 71.796248] cache 39372kB is below limit 65536kB for oom_score_adj 12 [ 71.796248] Free memory is -6736kB above reserved executing program [ 71.846206] lowmemorykiller: Killing 'syz-executor499' (2087) (tgid 2087), adj 1000, [ 71.846206] to free 12172kB on behalf of 'kswapd0' (33) because [ 71.846206] cache 39180kB is below limit 65536kB for oom_score_adj 12 [ 71.846206] Free memory is -6808kB above reserved executing program [ 71.894295] lowmemorykiller: Killing 'syz-executor499' (2090) (tgid 2090), adj 1000, [ 71.894295] to free 12172kB on behalf of 'kswapd0' (33) because [ 71.894295] cache 39184kB is below limit 65536kB for oom_score_adj 12 [ 71.894295] Free memory is -6812kB above reserved executing program [ 71.942582] lowmemorykiller: Killing 'syz-executor499' (2099) (tgid 2099), adj 1000, [ 71.942582] to free 12172kB on behalf of 'kswapd0' (33) because [ 71.942582] cache 39084kB is below limit 65536kB for oom_score_adj 12 [ 71.942582] Free memory is -6752kB above reserved executing program [ 71.991788] lowmemorykiller: Killing 'syz-executor499' (2105) (tgid 2105), adj 1000, [ 71.991788] to free 12172kB on behalf of 'kswapd0' (33) because [ 71.991788] cache 38984kB is below limit 65536kB for oom_score_adj 12 [ 71.991788] Free memory is -6800kB above reserved [ 72.018748] lowmemorykiller: Killing 'syz-executor499' (2111) (tgid 2111), adj 1000, [ 72.018748] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.018748] cache 38984kB is below limit 65536kB for oom_score_adj 12 executing program [ 72.018748] Free memory is 3556kB above reserved executing program [ 72.087892] lowmemorykiller: Killing 'syz-executor499' (2114) (tgid 2114), adj 1000, [ 72.087892] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.087892] cache 38984kB is below limit 65536kB for oom_score_adj 12 [ 72.087892] Free memory is -6756kB above reserved executing program [ 72.138218] lowmemorykiller: Killing 'syz-executor499' (2120) (tgid 2120), adj 1000, [ 72.138218] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.138218] cache 38884kB is below limit 65536kB for oom_score_adj 12 [ 72.138218] Free memory is -6752kB above reserved executing program [ 72.187438] lowmemorykiller: Killing 'syz-executor499' (2123) (tgid 2123), adj 1000, [ 72.187438] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.187438] cache 38784kB is below limit 65536kB for oom_score_adj 12 [ 72.187438] Free memory is -6724kB above reserved executing program [ 72.237606] lowmemorykiller: Killing 'syz-executor499' (2126) (tgid 2126), adj 1000, [ 72.237606] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.237606] cache 38684kB is below limit 65536kB for oom_score_adj 12 [ 72.237606] Free memory is -6764kB above reserved [ 72.263438] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 72.271674] in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 [ 72.278367] 2 locks held by kswapd0/33: [ 72.282690] #0: (shrinker_rwsem){++++..}, at: [<00000000bde17c46>] shrink_slab.part.0+0xb2/0xa20 [ 72.292723] #1: (rcu_read_lock){......}, at: [<00000000cff7e02b>] lowmem_scan+0x242/0xb50 [ 72.300803] lowmemorykiller: Killing 'syz-executor499' (2135) (tgid 2135), adj 1000, [ 72.300803] to free 12172kB on behalf of 'syz-executor499' (3718) because [ 72.300803] cache 38684kB is below limit 65536kB for oom_score_adj 12 [ 72.300803] Free memory is -13300kB above reserved [ 72.310789] lowmemorykiller: Killing 'syz-executor499' (2141) (tgid 2141), adj 1000, [ 72.310789] to free 12172kB on behalf of 'syz-executor499' (3718) because [ 72.310789] cache 38484kB is below limit 65536kB for oom_score_adj 12 [ 72.310789] Free memory is -11400kB above reserved [ 72.321903] lowmemorykiller: Killing 'syz-executor499' (2147) (tgid 2147), adj 1000, [ 72.321903] to free 12172kB on behalf of 'syz-executor499' (3718) because [ 72.321903] cache 38484kB is below limit 65536kB for oom_score_adj 12 [ 72.321903] Free memory is -7400kB above reserved executing program [ 72.331932] lowmemorykiller: Killing 'syz-executor499' (2153) (tgid 2153), adj 1000, [ 72.331932] to free 12172kB on behalf of 'syz-executor499' (3718) because [ 72.331932] cache 38584kB is below limit 65536kB for oom_score_adj 12 [ 72.331932] Free memory is -2200kB above reserved [ 72.343049] lowmemorykiller: Killing 'syz-executor499' (2165) (tgid 2165), adj 1000, [ 72.343049] to free 12172kB on behalf of 'syz-executor499' (3718) because [ 72.343049] cache 38500kB is below limit 65536kB for oom_score_adj 12 executing program [ 72.343049] Free memory is 1884kB above reserved [ 72.439387] Preemption disabled at:[ 72.443542] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 72.448873] CPU: 1 PID: 33 Comm: kswapd0 Not tainted 4.9.181+ #9 [ 72.455015] ffff8801d84077c0 ffffffff81b57e21 0000000000000000 0000000000000001 [ 72.463096] ffff8801d8df8000 ffffffff810d0c40 ffff8801d8df8000 ffff8801d84077f8 [ 72.471178] ffffffff8140036c ffff8801d8df8000 ffffffff82a39900 0000000000000387 [ 72.479260] Call Trace: [ 72.481848] [<0000000065991ad7>] dump_stack+0xc1/0x120 executing program [ 72.487212] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 72.492751] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 72.498989] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 72.504706] [<0000000031b561c5>] mmput+0x28/0x370 [ 72.509644] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 [ 72.515534] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 72.521075] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 72.527228] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 72.533636] [<000000001d4060b2>] shrink_node+0x1ed/0x750 executing program [ 72.539178] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 72.546198] [<00000000923bfa42>] kswapd+0x7f8/0x13b0 [ 72.551407] [<000000000875970e>] ? try_to_free_pages+0xbd0/0xbd0 [ 72.558178] [<00000000f71bb9bf>] ? autoremove_wake_function.part.0+0x130/0x130 [ 72.565633] [<000000008e6113ac>] ? __kthread_parkme+0x173/0x240 [ 72.571799] [<000000000875970e>] ? try_to_free_pages+0xbd0/0xbd0 [ 72.578042] [<000000009ae1214c>] kthread+0x278/0x310 [ 72.583238] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 executing program [ 72.588865] [<00000000dac7e6b5>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 72.595637] [<00000000880d65dc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 72.601970] [<00000000a0c9de21>] ? finish_task_switch+0x1e5/0x660 [ 72.608300] [<00000000aff0d1dd>] ? finish_task_switch+0x1b7/0x660 [ 72.614624] [<000000008d62d296>] ? __switch_to_asm+0x41/0x70 [ 72.620545] [<00000000edbcfb82>] ? __switch_to_asm+0x35/0x70 [ 72.626441] [<000000008d62d296>] ? __switch_to_asm+0x41/0x70 [ 72.630833] lowmemorykiller: Killing 'syz-executor499' (2168) (tgid 2168), adj 1000, [ 72.630833] to free 12172kB on behalf of 'syz-executor499' (3733) because [ 72.630833] cache 38408kB is below limit 65536kB for oom_score_adj 12 [ 72.630833] Free memory is -13340kB above reserved [ 72.639222] lowmemorykiller: Killing 'syz-executor499' (2171) (tgid 2171), adj 1000, [ 72.639222] to free 12172kB on behalf of 'syz-executor499' (3733) because [ 72.639222] cache 38308kB is below limit 65536kB for oom_score_adj 12 [ 72.639222] Free memory is -6440kB above reserved [ 72.651938] lowmemorykiller: Killing 'syz-executor499' (2183) (tgid 2183), adj 1000, [ 72.651938] to free 12172kB on behalf of 'syz-executor499' (3733) because [ 72.651938] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 72.651938] Free memory is -4056kB above reserved [ 72.660805] lowmemorykiller: Killing 'syz-executor499' (2186) (tgid 2186), adj 1000, [ 72.660805] to free 12172kB on behalf of 'syz-executor499' (3733) because [ 72.660805] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 72.660805] Free memory is 1536kB above reserved executing program executing program [ 72.673003] lowmemorykiller: Killing 'syz-executor499' (2192) (tgid 2192), adj 1000, [ 72.673003] to free 12172kB on behalf of 'syz-executor499' (3733) because [ 72.673003] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 72.673003] Free memory is 4436kB above reserved [ 72.765819] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 [ 72.771458] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 [ 72.777103] [<00000000599d6112>] ret_from_fork+0x5c/0x70 executing program [ 72.789939] lowmemorykiller: Killing 'syz-executor499' (2195) (tgid 2195), adj 1000, [ 72.789939] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.789939] cache 38224kB is below limit 65536kB for oom_score_adj 12 [ 72.789939] Free memory is 27704kB above reserved executing program executing program executing program executing program executing program [ 72.947925] lowmemorykiller: Killing 'syz-executor499' (2204) (tgid 2204), adj 1000, [ 72.947925] to free 12172kB on behalf of 'kswapd0' (33) because [ 72.947925] cache 38248kB is below limit 65536kB for oom_score_adj 12 [ 72.947925] Free memory is -7048kB above reserved executing program [ 73.011238] lowmemorykiller: Killing 'syz-executor499' (2207) (tgid 2207), adj 1000, [ 73.011238] to free 12172kB on behalf of 'kswapd0' (33) because [ 73.011238] cache 38160kB is below limit 65536kB for oom_score_adj 12 [ 73.011238] Free memory is -6092kB above reserved [ 73.050750] lowmemorykiller: Killing 'syz-executor499' (2210) (tgid 2210), adj 1000, [ 73.050750] to free 12172kB on behalf of 'kswapd0' (33) because [ 73.050750] cache 37960kB is below limit 65536kB for oom_score_adj 12 [ 73.050750] Free memory is -7368kB above reserved [ 73.076727] lowmemorykiller: Killing 'syz-executor499' (2213) (tgid 2213), adj 1000, [ 73.076727] to free 12172kB on behalf of 'syz-executor499' (3760) because [ 73.076727] cache 37960kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 73.076727] Free memory is -13352kB above reserved [ 73.076737] [ 73.076739] ================================= [ 73.076740] [ INFO: inconsistent lock state ] [ 73.076746] 4.9.181+ #9 Tainted: G W [ 73.076747] --------------------------------- [ 73.076750] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. [ 73.076756] syz-executor499/3760 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 73.076774] (&mm->mmap_sem){+++++?}, at: [<00000000ec75080b>] get_cmdline+0xa3/0x2d0 {RECLAIM_FS-ON-W} state was registered at: [ 73.076784] mark_held_locks+0xb1/0x100 executing program [ 73.076789] lockdep_trace_alloc+0x18c/0x2b0 [ 73.076794] __alloc_pages_nodemask+0x143/0x1a80 [ 73.076801] __pmd_alloc+0x4a/0x330 [ 73.076807] move_page_tables+0xadb/0xd60 [ 73.076812] shift_arg_pages+0x1ae/0x470 [ 73.076817] setup_arg_pages+0x60d/0x7c0 [ 73.076824] load_elf_binary+0xa84/0x4a90 [ 73.076829] search_binary_handler+0x14f/0x700 [ 73.076836] do_execveat_common.isra.0+0xf81/0x1db0 [ 73.076841] do_execve+0x3a/0x50 [ 73.076848] run_init_process+0x33/0x37 executing program [ 73.076854] try_to_run_init_process+0x18/0x48 [ 73.076861] kernel_init+0xf2/0x163 [ 73.076866] ret_from_fork+0x5c/0x70 [ 73.076868] irq event stamp: 15357 [ 73.076875] hardirqs last enabled at (15357): [<000000001ca777d3>] vprintk_emit+0x25c/0x6f0 executing program [ 73.076880] hardirqs last disabled at (15356): [<00000000594663ad>] vprintk_emit+0x6d/0x6f0 [ 73.076888] softirqs last enabled at (9104): [<000000005e0eaa90>] __do_softirq+0x474/0x964 [ 73.076895] softirqs last disabled at (9083): [<0000000069f41cb5>] irq_exit+0x119/0x160 [ 73.076897] [ 73.076897] other info that might help us debug this: executing program executing program [ 73.076899] Possible unsafe locking scenario: [ 73.076899] [ 73.076900] CPU0 [ 73.076901] ---- [ 73.076905] lock(&mm->mmap_sem); [ 73.076907] [ 73.076910] lock(&mm->mmap_sem); [ 73.076911] [ 73.076911] *** DEADLOCK *** [ 73.076911] [ 73.076915] 4 locks held by syz-executor499/3760: [ 73.076927] #0: (&mm->mmap_sem){+++++?}, at: [<00000000d78fcad5>] __mm_populate+0x20c/0x300 [ 73.076939] #1: (shrinker_rwsem){++++..}, at: [<00000000bde17c46>] shrink_slab.part.0+0xb2/0xa20 executing program executing program [ 73.076952] #2: (rcu_read_lock){......}, at: [<00000000cff7e02b>] lowmem_scan+0x242/0xb50 [ 73.076966] #3: (lmk_event_lock){+.+.-.}, at: [<00000000eb98ad3f>] handle_lmk_event+0xfb/0x8a0 [ 73.076967] [ 73.076967] stack backtrace: [ 73.076975] CPU: 1 PID: 3760 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 [ 73.076989] ffff8801cc38ed60 ffffffff81b57e21 00000000000000f0 ffff8801cc3d4740 [ 73.076998] ffffffff83cad760 ffff8801cc3d50b0 ffffffff8424eec0 ffff8801cc38edd8 executing program [ 73.077006] ffffffff81406da9 0000000000000000 ffffffff00000001 0000000000000001 [ 73.077008] Call Trace: [ 73.077018] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 73.077026] [<000000000a695053>] print_usage_bug.cold+0x452/0x5a2 [ 73.077032] [<00000000df511e18>] mark_lock+0x6c7/0x12e0 [ 73.077039] [<00000000a19f2e8f>] ? print_irq_inversion_bug+0xa0/0xa0 [ 73.077045] [<00000000718d4fcd>] __lock_acquire+0x5c3/0x4350 [ 73.077051] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 73.077058] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 executing program executing program [ 73.077065] [<00000000dac7e6b5>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 73.077071] [<00000000f5ab2e37>] lock_acquire+0x133/0x3d0 [ 73.077077] [<00000000ec75080b>] ? get_cmdline+0xa3/0x2d0 [ 73.077084] [<0000000097a646a1>] down_read+0x44/0xb0 [ 73.077090] [<00000000ec75080b>] ? get_cmdline+0xa3/0x2d0 [ 73.077095] [<00000000ec75080b>] get_cmdline+0xa3/0x2d0 [ 73.077102] [<000000004bcb7577>] handle_lmk_event+0x13c/0x8a0 [ 73.077109] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 73.077116] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 executing program executing program [ 73.077124] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 73.077131] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 73.077139] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 73.077147] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 [ 73.077155] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 [ 73.077162] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 [ 73.077168] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 executing program executing program [ 73.077176] [<0000000056a253f3>] ? __radix_tree_lookup+0x183/0x220 [ 73.077183] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 73.077191] [<00000000700f4596>] ? check_preemption_disabled+0x3c/0x200 [ 73.077198] [<00000000690a6760>] ? find_get_entry+0x2a9/0x510 [ 73.077205] [<000000002b17d290>] ? find_get_entry+0x2d0/0x510 [ 73.077212] [<000000000ac6f1f4>] ? page_cache_prev_hole+0x80/0x80 [ 73.077218] [<00000000bc698c03>] ? find_lock_entry+0xdd/0x200 [ 73.077226] [<00000000def7d1f2>] shmem_getpage_gfp+0x3f3/0x1b00 executing program [ 73.077234] [<00000000920a2909>] ? __shmem_file_setup.part.0+0x420/0x420 [ 73.077240] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 73.077247] [<00000000bfb638d8>] shmem_fault+0x216/0x6b0 [ 73.077255] [<000000008f013d7d>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 73.077262] [<000000006c4f363d>] __do_fault+0x2a8/0x6c0 [ 73.077268] [<00000000271157cf>] ? do_page_mkwrite+0x400/0x400 [ 73.077274] [<0000000036ad542c>] ? handle_mm_fault+0x1ba8/0x2420 [ 73.077281] [<00000000ff0fb2d7>] handle_mm_fault+0x11bc/0x2420 [ 73.077288] [<00000000dac7e6b5>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 73.077295] [<000000003998438e>] ? vm_insert_page+0x850/0x850 [ 73.077301] [<0000000066734e86>] ? follow_page_mask+0x583/0xf40 [ 73.077307] [<000000000bda6b38>] ? follow_page_mask+0x5e5/0xf40 [ 73.077313] [<00000000f0545c96>] ? follow_page_mask+0x38a/0xf40 [ 73.077320] [<00000000e54efc96>] __get_user_pages+0x3c7/0x10b0 executing program executing program [ 73.077327] [<0000000085e377c6>] ? uprobe_mmap+0xe8/0xa20 [ 73.077333] [<0000000058c569b6>] ? follow_page_mask+0xf40/0xf40 [ 73.077341] [<00000000ab03e3a1>] ? memset+0x32/0x40 [ 73.077347] [<00000000f031f20c>] populate_vma_page_range+0x19a/0x230 [ 73.077354] [<000000003260e594>] __mm_populate+0x1b9/0x300 [ 73.077360] [<00000000457a7859>] ? populate_vma_page_range+0x230/0x230 [ 73.077366] [<0000000004147b08>] ? vm_mmap_pgoff+0x188/0x1c0 [ 73.077372] [<00000000e2c53348>] vm_mmap_pgoff+0x1aa/0x1c0 [ 73.077379] [<00000000fbb46265>] ? vma_is_stack_for_current+0xa0/0xa0 [ 73.077387] [<0000000066098a95>] ? do_futex+0x1a70/0x1a70 [ 73.077395] [<00000000fb1bd98a>] ? __do_page_fault+0x545/0xa60 [ 73.077402] [<00000000a6058ba7>] SyS_mmap_pgoff+0x14d/0x1b0 [ 73.077409] [<00000000b3e890f2>] ? align_vdso_addr+0x60/0x60 [ 73.077415] [<0000000002e4f8f2>] SyS_mmap+0x16/0x20 [ 73.077421] [<000000000cb5ad66>] do_syscall_64+0x1ad/0x5c0 [ 73.077428] [<000000002f916a34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 73.082116] lowmemorykiller: Killing 'syz-executor499' (2219) (tgid 2219), adj 1000, [ 73.082116] to free 12172kB on behalf of 'syz-executor499' (3760) because [ 73.082116] cache 37960kB is below limit 65536kB for oom_score_adj 12 [ 73.082116] Free memory is -8228kB above reserved [ 73.086418] lowmemorykiller: Killing 'syz-executor499' (2225) (tgid 2225), adj 1000, [ 73.086418] to free 12172kB on behalf of 'syz-executor499' (3760) because executing program executing program [ 73.086418] cache 37860kB is below limit 65536kB for oom_score_adj 12 [ 73.086418] Free memory is -4608kB above reserved [ 73.233308] lowmemorykiller: Killing 'syz-executor499' (2228) (tgid 2228), adj 1000, [ 73.233308] to free 12172kB on behalf of 'syz-executor499' (3772) because [ 73.233308] cache 37776kB is below limit 65536kB for oom_score_adj 12 [ 73.233308] Free memory is -13400kB above reserved [ 73.237241] lowmemorykiller: Killing 'syz-executor499' (2234) (tgid 2234), adj 1000, executing program executing program [ 73.237241] to free 12172kB on behalf of 'syz-executor499' (3772) because [ 73.237241] cache 37576kB is below limit 65536kB for oom_score_adj 12 [ 73.237241] Free memory is -13360kB above reserved [ 73.237612] lowmemorykiller: Killing 'syz-executor499' (2237) (tgid 2237), adj 1000, [ 73.237612] to free 12172kB on behalf of 'syz-executor499' (3772) because [ 73.237612] cache 37576kB is below limit 65536kB for oom_score_adj 12 [ 73.237612] Free memory is -13360kB above reserved executing program [ 73.241556] lowmemorykiller: Killing 'syz-executor499' (2240) (tgid 2240), adj 1000, [ 73.241556] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.241556] cache 36876kB is below limit 65536kB for oom_score_adj 12 [ 73.241556] Free memory is -13340kB above reserved [ 73.245317] lowmemorykiller: Killing 'syz-executor499' (2243) (tgid 2243), adj 1000, [ 73.245317] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.245317] cache 36076kB is below limit 65536kB for oom_score_adj 12 [ 73.245317] Free memory is -12040kB above reserved executing program executing program [ 73.248899] lowmemorykiller: Killing 'syz-executor499' (2249) (tgid 2249), adj 1000, [ 73.248899] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.248899] cache 35276kB is below limit 65536kB for oom_score_adj 12 [ 73.248899] Free memory is -11940kB above reserved [ 73.252559] lowmemorykiller: Killing 'syz-executor499' (2252) (tgid 2252), adj 1000, [ 73.252559] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.252559] cache 34976kB is below limit 65536kB for oom_score_adj 12 executing program [ 73.252559] Free memory is -11940kB above reserved [ 73.258723] lowmemorykiller: Killing 'syz-executor499' (2255) (tgid 2255), adj 1000, [ 73.258723] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.258723] cache 34476kB is below limit 65536kB for oom_score_adj 12 [ 73.258723] Free memory is -11940kB above reserved [ 73.258772] lowmemorykiller: Killing 'syz-executor499' (2258) (tgid 2258), adj 1000, [ 73.258772] to free 12172kB on behalf of 'kworker/u4:1' (64) because [ 73.258772] cache 34376kB is below limit 65536kB for oom_score_adj 12 executing program [ 73.258772] Free memory is -11940kB above reserved [ 73.264745] lowmemorykiller: Killing 'syz-executor499' (2264) (tgid 2264), adj 1000, [ 73.264745] to free 12172kB on behalf of 'kthreadd' (2) because [ 73.264745] cache 33976kB is below limit 65536kB for oom_score_adj 12 [ 73.264745] Free memory is -12124kB above reserved [ 73.265173] lowmemorykiller: Killing 'syz-executor499' (2267) (tgid 2267), adj 1000, [ 73.265173] to free 12172kB on behalf of 'kthreadd' (2) because executing program [ 73.265173] cache 33876kB is below limit 65536kB for oom_score_adj 12 [ 73.265173] Free memory is -12248kB above reserved [ 73.265179] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 73.265183] in_atomic(): 0, irqs_disabled(): 0, pid: 2, name: kthreadd [ 73.265185] INFO: lockdep is turned off. [ 73.265204] Preemption disabled at: [ 73.265204] [<0000000044021ea6>] get_task_mm+0x20/0xc0 executing program executing program [ 73.265214] CPU: 1 PID: 2 Comm: kthreadd Tainted: G W 4.9.181+ #9 [ 73.265229] ffff8801da637490 ffffffff81b57e21 0000000000000000 0000000000000001 [ 73.265240] ffff8801da6017c0 ffffffff810d0c40 ffff8801da6017c0 ffff8801da6374c8 [ 73.265250] ffffffff8140036c ffff8801da6017c0 ffffffff82a39900 0000000000000387 [ 73.265252] Call Trace: [ 73.265263] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 73.265270] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 73.265280] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 73.265290] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 73.265298] [<0000000031b561c5>] mmput+0x28/0x370 [ 73.265307] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 [ 73.265315] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 73.265326] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 73.265335] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 73.265343] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 73.265353] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 73.265362] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 [ 73.265371] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 [ 73.265379] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 [ 73.265388] [<000000006952dc44>] ? _find_next_bit.part.0+0xe0/0x110 [ 73.265396] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 executing program [ 73.265405] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 73.265414] [<00000000f98edf05>] ? kasan_unpoison_shadow+0x35/0x50 [ 73.265421] [<00000000870f52f4>] ? kasan_kmalloc+0xb7/0xd0 [ 73.265430] [<00000000b19b001d>] ? copy_process.part.0+0x164b/0x63f0 [ 73.265437] [<00000000dca74c08>] ? kasan_slab_alloc+0xf/0x20 [ 73.265444] [<000000006e415bfe>] ? kmem_cache_alloc+0x155/0x2b0 executing program [ 73.265452] [<00000000de1db274>] copy_process.part.0+0x286/0x63f0 [ 73.265459] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 73.265468] [<000000008d62d296>] ? __switch_to_asm+0x41/0x70 [ 73.265485] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 [ 73.265492] [<000000009f41379c>] ? __cleanup_sighand+0x50/0x50 [ 73.265499] [<00000000a0c9de21>] ? finish_task_switch+0x1e5/0x660 [ 73.265506] [<000000005a757302>] _do_fork+0x1b8/0xd40 [ 73.265513] [<00000000edbcfb82>] ? __switch_to_asm+0x35/0x70 executing program executing program [ 73.265520] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 [ 73.265528] [<0000000091c2f5ff>] ? fork_idle+0x280/0x280 [ 73.265536] [<00000000014032f9>] ? __schedule+0x6d6/0x1f10 [ 73.265543] [<00000000d62ed1f3>] ? kthreadd+0x1d2/0x420 [ 73.265550] [<000000005e144f61>] ? kthreadd+0x29e/0x420 [ 73.265556] [<0000000089bf7264>] ? kthread_park+0xa0/0xa0 [ 73.265563] [<00000000b82ba740>] kernel_thread+0x34/0x40 [ 73.265570] [<00000000e2962182>] kthreadd+0x2b2/0x420 executing program executing program [ 73.265578] [<00000000cb02a359>] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 73.265584] [<000000008d62d296>] ? __switch_to_asm+0x41/0x70 [ 73.265592] [<00000000cb02a359>] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 73.265598] [<00000000599d6112>] ret_from_fork+0x5c/0x70 [ 73.283000] lowmemorykiller: Killing 'syz-executor499' (2270) (tgid 2270), adj 1000, [ 73.283000] to free 12172kB on behalf of 'kthreadd' (2) because executing program [ 73.283000] cache 33876kB is below limit 65536kB for oom_score_adj 12 [ 73.283000] Free memory is -2808kB above reserved [ 73.689304] lowmemorykiller: Killing 'syz-executor499' (2276) (tgid 2276), adj 1000, [ 73.689304] to free 12172kB on behalf of 'syz-executor499' (3809) because [ 73.689304] cache 33876kB is below limit 65536kB for oom_score_adj 12 [ 73.689304] Free memory is -13372kB above reserved [ 73.739818] lowmemorykiller: Killing 'syz-executor499' (2279) (tgid 2279), adj 1000, executing program executing program [ 73.739818] to free 12172kB on behalf of 'syz-executor499' (2075) because [ 73.739818] cache 33776kB is below limit 65536kB for oom_score_adj 12 [ 73.739818] Free memory is -13088kB above reserved [ 73.810818] lowmemorykiller: Killing 'syz-executor499' (2282) (tgid 2282), adj 1000, [ 73.810818] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.810818] cache 29628kB is below limit 65536kB for oom_score_adj 12 executing program [ 73.810818] Free memory is -9208kB above reserved [ 73.820784] lowmemorykiller: Killing 'syz-executor499' (2288) (tgid 2288), adj 1000, [ 73.820784] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.820784] cache 29628kB is below limit 65536kB for oom_score_adj 12 [ 73.820784] Free memory is -732kB above reserved [ 73.831023] lowmemorykiller: Killing 'syz-executor499' (2294) (tgid 2294), adj 1000, [ 73.831023] to free 12172kB on behalf of 'syz-executor499' (3817) because executing program [ 73.831023] cache 29628kB is below limit 65536kB for oom_score_adj 12 [ 73.831023] Free memory is 7068kB above reserved [ 73.840798] lowmemorykiller: Killing 'syz-executor499' (2303) (tgid 2303), adj 1000, [ 73.840798] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.840798] cache 29628kB is below limit 65536kB for oom_score_adj 12 [ 73.840798] Free memory is 14644kB above reserved [ 73.850780] lowmemorykiller: Killing 'syz-executor499' (2306) (tgid 2306), adj 1000, [ 73.850780] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.850780] cache 29628kB is below limit 65536kB for oom_score_adj 12 [ 73.850780] Free memory is 20544kB above reserved [ 73.860762] lowmemorykiller: Killing 'syz-executor499' (2309) (tgid 2309), adj 1000, [ 73.860762] to free 12172kB on behalf of 'syz-executor499' (3817) because executing program executing program [ 73.860762] cache 29628kB is below limit 65536kB for oom_score_adj 12 [ 73.860762] Free memory is 28028kB above reserved [ 73.870770] lowmemorykiller: Killing 'syz-executor499' (2312) (tgid 2312), adj 1000, [ 73.870770] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.870770] cache 29428kB is below limit 65536kB for oom_score_adj 12 [ 73.870770] Free memory is 44428kB above reserved [ 73.880784] lowmemorykiller: Killing 'syz-executor499' (2315) (tgid 2315), adj 1000, executing program executing program [ 73.880784] to free 12172kB on behalf of 'syz-executor499' (3817) because [ 73.880784] cache 29428kB is below limit 65536kB for oom_score_adj 12 [ 73.880784] Free memory is 58332kB above reserved [ 74.131457] lowmemorykiller: Killing 'syz-executor499' (2318) (tgid 2318), adj 1000, [ 74.131457] to free 12172kB on behalf of 'syz-executor499' (2075) because [ 74.131457] cache 29400kB is below limit 65536kB for oom_score_adj 12 [ 74.131457] Free memory is -10128kB above reserved executing program [ 74.200785] lowmemorykiller: Killing 'syz-executor499' (2321) (tgid 2321), adj 1000, [ 74.200785] to free 12172kB on behalf of 'syz-executor499' (3845) because [ 74.200785] cache 27740kB is below limit 65536kB for oom_score_adj 12 [ 74.200785] Free memory is -13344kB above reserved [ 74.210795] lowmemorykiller: Killing 'syz-executor499' (2327) (tgid 2327), adj 1000, [ 74.210795] to free 12172kB on behalf of 'syz-executor499' (3845) because [ 74.210795] cache 27740kB is below limit 65536kB for oom_score_adj 12 executing program [ 74.210795] Free memory is -7452kB above reserved [ 74.211428] lowmemorykiller: Killing 'syz-executor499' (2336) (tgid 2336), adj 1000, [ 74.211428] to free 12172kB on behalf of 'syz-executor499' (3845) because [ 74.211428] cache 27740kB is below limit 65536kB for oom_score_adj 12 [ 74.211428] Free memory is 248kB above reserved [ 74.321344] lowmemorykiller: Killing 'syz-executor499' (2339) (tgid 2339), adj 1000, [ 74.321344] to free 12172kB on behalf of 'syz-executor499' (3854) because executing program [ 74.321344] cache 27604kB is below limit 65536kB for oom_score_adj 12 [ 74.321344] Free memory is -13320kB above reserved [ 74.321350] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 74.321355] in_atomic(): 0, irqs_disabled(): 0, pid: 3854, name: syz-executor499 [ 74.321357] INFO: lockdep is turned off. executing program executing program [ 74.321373] Preemption disabled at: [ 74.321373] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 74.321383] CPU: 1 PID: 3854 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 [ 74.321397] ffff8801c577f018 ffffffff81b57e21 0000000000000000 0000000000000001 [ 74.321407] ffff8801c5255f00 ffffffff810d0c40 ffff8801c5255f00 ffff8801c577f050 [ 74.321417] ffffffff8140036c ffff8801c5255f00 ffffffff82a39900 0000000000000387 [ 74.321419] Call Trace: [ 74.321429] [<0000000065991ad7>] dump_stack+0xc1/0x120 executing program [ 74.321436] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 74.321446] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 74.321457] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 74.321464] [<0000000031b561c5>] mmput+0x28/0x370 [ 74.321473] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 [ 74.321489] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 74.321499] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 74.321508] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 executing program executing program [ 74.321516] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 74.321525] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 74.321534] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 [ 74.321542] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 [ 74.321550] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 executing program [ 74.321558] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 [ 74.321566] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 executing program executing program [ 74.321574] [<0000000056a253f3>] ? __radix_tree_lookup+0x183/0x220 [ 74.321582] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 74.321589] [<000000002084769f>] ? __radix_tree_lookup+0x220/0x220 [ 74.321597] [<00000000690a6760>] ? find_get_entry+0x2a9/0x510 [ 74.321604] [<000000002b17d290>] ? find_get_entry+0x2d0/0x510 [ 74.321612] [<000000000ac6f1f4>] ? page_cache_prev_hole+0x80/0x80 [ 74.321619] [<00000000bc698c03>] ? find_lock_entry+0xdd/0x200 executing program [ 74.321628] [<00000000def7d1f2>] shmem_getpage_gfp+0x3f3/0x1b00 [ 74.321637] [<00000000920a2909>] ? __shmem_file_setup.part.0+0x420/0x420 [ 74.321644] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 74.321651] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 74.321659] [<00000000bfb638d8>] shmem_fault+0x216/0x6b0 [ 74.321668] [<000000008f013d7d>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 74.321676] [<0000000039865cbe>] ? filemap_map_pages+0x813/0xc30 [ 74.321768] [<000000006c4f363d>] __do_fault+0x2a8/0x6c0 executing program [ 74.321777] [<00000000271157cf>] ? do_page_mkwrite+0x400/0x400 [ 74.321785] [<0000000036ad542c>] ? handle_mm_fault+0x1ba8/0x2420 [ 74.321792] [<00000000ff0fb2d7>] handle_mm_fault+0x11bc/0x2420 [ 74.321802] [<00000000c07fd704>] ? io_schedule_timeout+0x390/0x390 [ 74.321809] [<000000003998438e>] ? vm_insert_page+0x850/0x850 [ 74.321816] [<0000000066734e86>] ? follow_page_mask+0x583/0xf40 executing program executing program [ 74.321823] [<000000000bda6b38>] ? follow_page_mask+0x5e5/0xf40 [ 74.321830] [<00000000f0545c96>] ? follow_page_mask+0x38a/0xf40 [ 74.321838] [<00000000e54efc96>] __get_user_pages+0x3c7/0x10b0 [ 74.321845] [<0000000085e377c6>] ? uprobe_mmap+0xe8/0xa20 [ 74.321852] [<0000000058c569b6>] ? follow_page_mask+0xf40/0xf40 [ 74.321859] [<00000000ab03e3a1>] ? memset+0x32/0x40 [ 74.321867] [<00000000f031f20c>] populate_vma_page_range+0x19a/0x230 [ 74.321874] [<000000003260e594>] __mm_populate+0x1b9/0x300 executing program [ 74.321881] [<00000000457a7859>] ? populate_vma_page_range+0x230/0x230 [ 74.321888] [<0000000004147b08>] ? vm_mmap_pgoff+0x188/0x1c0 [ 74.321896] [<000000006491c47c>] ? do_mmap+0x594/0xbc0 [ 74.321904] [<00000000e2c53348>] vm_mmap_pgoff+0x1aa/0x1c0 [ 74.321912] [<00000000fbb46265>] ? vma_is_stack_for_current+0xa0/0xa0 [ 74.321920] [<0000000066098a95>] ? do_futex+0x1a70/0x1a70 executing program [ 74.321927] [<00000000fb1bd98a>] ? __do_page_fault+0x545/0xa60 [ 74.321935] [<00000000a6058ba7>] SyS_mmap_pgoff+0x14d/0x1b0 [ 74.321943] [<00000000b3e890f2>] ? align_vdso_addr+0x60/0x60 [ 74.321949] [<0000000002e4f8f2>] SyS_mmap+0x16/0x20 [ 74.321956] [<000000000cb5ad66>] do_syscall_64+0x1ad/0x5c0 [ 74.321964] [<000000002f916a34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 74.340792] lowmemorykiller: Killing 'syz-executor499' (2345) (tgid 2345), adj 1000, [ 74.340792] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.340792] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.340792] Free memory is -13376kB above reserved [ 74.350815] lowmemorykiller: Killing 'syz-executor499' (2348) (tgid 2348), adj 1000, [ 74.350815] to free 12172kB on behalf of 'syz-executor499' (3854) because executing program executing program [ 74.350815] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.350815] Free memory is -4100kB above reserved [ 74.360773] lowmemorykiller: Killing 'syz-executor499' (2351) (tgid 2351), adj 1000, [ 74.360773] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.360773] cache 27504kB is below limit 65536kB for oom_score_adj 12 [ 74.360773] Free memory is 13592kB above reserved [ 74.371660] lowmemorykiller: Killing 'syz-executor499' (2354) (tgid 2354), adj 1000, [ 74.371660] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.371660] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.371660] Free memory is 20992kB above reserved [ 74.380765] lowmemorykiller: Killing 'syz-executor499' (2357) (tgid 2357), adj 1000, [ 74.380765] to free 12172kB on behalf of 'syz-executor499' (3854) because executing program executing program [ 74.380765] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.380765] Free memory is 28776kB above reserved [ 74.390751] lowmemorykiller: Killing 'syz-executor499' (2360) (tgid 2360), adj 1000, [ 74.390751] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.390751] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.390751] Free memory is 35476kB above reserved [ 74.400793] lowmemorykiller: Killing 'syz-executor499' (2363) (tgid 2363), adj 1000, [ 74.400793] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.400793] cache 27404kB is below limit 65536kB for oom_score_adj 12 [ 74.400793] Free memory is 46976kB above reserved [ 74.410748] lowmemorykiller: Killing 'syz-executor499' (2366) (tgid 2366), adj 1000, [ 74.410748] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.410748] cache 27304kB is below limit 65536kB for oom_score_adj 12 [ 74.410748] Free memory is 54876kB above reserved [ 74.420760] lowmemorykiller: Killing 'syz-executor499' (2369) (tgid 2369), adj 1000, [ 74.420760] to free 12172kB on behalf of 'syz-executor499' (3854) because [ 74.420760] cache 27304kB is below limit 65536kB for oom_score_adj 12 [ 74.420760] Free memory is 62076kB above reserved [ 74.735056] lowmemorykiller: Killing 'syz-executor499' (2372) (tgid 2372), adj 1000, [ 74.735056] to free 12172kB on behalf of 'syz-executor499' (2075) because [ 74.735056] cache 27212kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 74.735056] Free memory is -9220kB above reserved [ 74.800791] lowmemorykiller: Killing 'syz-executor499' (2375) (tgid 2375), adj 1000, [ 74.800791] to free 12172kB on behalf of 'syz-executor499' (3887) because [ 74.800791] cache 26512kB is below limit 65536kB for oom_score_adj 12 [ 74.800791] Free memory is -13320kB above reserved [ 74.810794] lowmemorykiller: Killing 'syz-executor499' (2378) (tgid 2378), adj 1000, [ 74.810794] to free 12172kB on behalf of 'syz-executor499' (3887) because executing program executing program [ 74.810794] cache 26612kB is below limit 65536kB for oom_score_adj 12 [ 74.810794] Free memory is -6720kB above reserved [ 74.820828] lowmemorykiller: Killing 'syz-executor499' (2384) (tgid 2384), adj 1000, [ 74.820828] to free 12172kB on behalf of 'syz-executor499' (3887) because [ 74.820828] cache 26512kB is below limit 65536kB for oom_score_adj 12 [ 74.820828] Free memory is 780kB above reserved [ 74.828038] lowmemorykiller: Killing 'syz-executor499' (2390) (tgid 2390), adj 1000, [ 74.828038] to free 12172kB on behalf of 'syz-executor499' (3887) because executing program [ 74.828038] cache 26612kB is below limit 65536kB for oom_score_adj 12 [ 74.828038] Free memory is 8480kB above reserved [ 74.836706] lowmemorykiller: Killing 'syz-executor499' (2393) (tgid 2393), adj 1000, [ 74.836706] to free 12172kB on behalf of 'syz-executor499' (3887) because [ 74.836706] cache 26512kB is below limit 65536kB for oom_score_adj 12 [ 74.836706] Free memory is 11780kB above reserved [ 74.837366] lowmemorykiller: Killing 'syz-executor499' (2396) (tgid 2396), adj 1000, [ 74.837366] to free 12172kB on behalf of 'syz-executor499' (3887) because [ 74.837366] cache 26612kB is below limit 65536kB for oom_score_adj 12 [ 74.837366] Free memory is 17180kB above reserved [ 75.050798] lowmemorykiller: Killing 'syz-executor499' (2402) (tgid 2402), adj 1000, [ 75.050798] to free 12172kB on behalf of 'syz-executor499' (3905) because [ 75.050798] cache 26384kB is below limit 65536kB for oom_score_adj 12 [ 75.050798] Free memory is -13352kB above reserved [ 75.060818] lowmemorykiller: Killing 'syz-executor499' (2411) (tgid 2411), adj 1000, [ 75.060818] to free 12172kB on behalf of 'syz-executor499' (3905) because [ 75.060818] cache 26384kB is below limit 65536kB for oom_score_adj 12 [ 75.060818] Free memory is -4452kB above reserved [ 75.070801] lowmemorykiller: Killing 'syz-executor499' (2414) (tgid 2414), adj 1000, [ 75.070801] to free 12172kB on behalf of 'syz-executor499' (3905) because executing program [ 75.070801] cache 26384kB is below limit 65536kB for oom_score_adj 12 [ 75.070801] Free memory is 3248kB above reserved [ 75.078399] lowmemorykiller: Killing 'syz-executor499' (2417) (tgid 2417), adj 1000, [ 75.078399] to free 12172kB on behalf of 'syz-executor499' (3905) because [ 75.078399] cache 26384kB is below limit 65536kB for oom_score_adj 12 [ 75.078399] Free memory is 10640kB above reserved [ 75.079045] lowmemorykiller: Killing 'syz-executor499' (2432) (tgid 2432), adj 1000, executing program executing program [ 75.079045] to free 12172kB on behalf of 'syz-executor499' (3905) because [ 75.079045] cache 26384kB is below limit 65536kB for oom_score_adj 12 [ 75.079045] Free memory is 14640kB above reserved [ 75.230209] lowmemorykiller: Killing 'syz-executor499' (2435) (tgid 2435), adj 1000, [ 75.230209] to free 12172kB on behalf of 'syz-executor499' (2075) because [ 75.230209] cache 26196kB is below limit 65536kB for oom_score_adj 12 [ 75.230209] Free memory is -9268kB above reserved executing program executing program [ 75.275952] lowmemorykiller: Killing 'syz-executor499' (2447) (tgid 2447), adj 1000, [ 75.275952] to free 12172kB on behalf of 'syz-executor499' (3923) because [ 75.275952] cache 25396kB is below limit 65536kB for oom_score_adj 12 [ 75.275952] Free memory is -13360kB above reserved [ 75.283855] lowmemorykiller: Killing 'syz-executor499' (2450) (tgid 2450), adj 1000, [ 75.283855] to free 12172kB on behalf of 'syz-executor499' (3923) because [ 75.283855] cache 25196kB is below limit 65536kB for oom_score_adj 12 executing program [ 75.283855] Free memory is -13376kB above reserved [ 75.290760] lowmemorykiller: Killing 'syz-executor499' (2453) (tgid 2453), adj 1000, [ 75.290760] to free 12172kB on behalf of 'syz-executor499' (3923) because [ 75.290760] cache 25196kB is below limit 65536kB for oom_score_adj 12 [ 75.290760] Free memory is -13376kB above reserved [ 75.291300] lowmemorykiller: Killing 'syz-executor499' (2459) (tgid 2459), adj 1000, [ 75.291300] to free 12172kB on behalf of 'syz-executor499' (3923) because executing program executing program [ 75.291300] cache 25296kB is below limit 65536kB for oom_score_adj 12 [ 75.291300] Free memory is -9476kB above reserved [ 75.291614] lowmemorykiller: Killing 'syz-executor499' (2462) (tgid 2462), adj 1000, [ 75.291614] to free 12172kB on behalf of 'syz-executor499' (3923) because [ 75.291614] cache 25296kB is below limit 65536kB for oom_score_adj 12 [ 75.291614] Free memory is -9468kB above reserved [ 75.460798] lowmemorykiller: Killing 'syz-executor499' (2465) (tgid 2465), adj 1000, executing program executing program [ 75.460798] to free 12172kB on behalf of 'syz-executor499' (3938) because [ 75.460798] cache 25028kB is below limit 65536kB for oom_score_adj 12 [ 75.460798] Free memory is -13420kB above reserved [ 75.461444] lowmemorykiller: Killing 'syz-executor499' (2471) (tgid 2471), adj 1000, [ 75.461444] to free 12172kB on behalf of 'syz-executor499' (3938) because [ 75.461444] cache 25028kB is below limit 65536kB for oom_score_adj 12 [ 75.461444] Free memory is -5820kB above reserved [ 75.461450] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 75.461455] in_atomic(): 0, irqs_disabled(): 0, pid: 3938, name: syz-executor499 [ 75.461456] INFO: lockdep is turned off. [ 75.461472] Preemption disabled at: [ 75.461473] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 75.461490] CPU: 1 PID: 3938 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 [ 75.461505] ffff88016ccd7018 ffffffff81b57e21 0000000000000000 0000000000000001 [ 75.461516] ffff88016ccbaf80 ffffffff810d0c40 ffff88016ccbaf80 ffff88016ccd7050 [ 75.461525] ffffffff8140036c ffff88016ccbaf80 ffffffff82a39900 0000000000000387 [ 75.461527] Call Trace: [ 75.461538] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 75.461545] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 75.461555] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 75.461564] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 75.461572] [<0000000031b561c5>] mmput+0x28/0x370 [ 75.461581] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 executing program [ 75.461589] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 75.461599] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 75.461608] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 75.461616] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 75.461625] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 75.461634] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 [ 75.461643] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 executing program executing program [ 75.461651] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 [ 75.461659] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 [ 75.461666] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 75.461675] [<0000000056a253f3>] ? __radix_tree_lookup+0x183/0x220 [ 75.461754] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 75.461763] [<000000002084769f>] ? __radix_tree_lookup+0x220/0x220 [ 75.461771] [<00000000690a6760>] ? find_get_entry+0x2a9/0x510 [ 75.461779] [<000000002b17d290>] ? find_get_entry+0x2d0/0x510 executing program executing program [ 75.461786] [<000000000ac6f1f4>] ? page_cache_prev_hole+0x80/0x80 [ 75.461793] [<00000000bc698c03>] ? find_lock_entry+0xdd/0x200 [ 75.461802] [<00000000def7d1f2>] shmem_getpage_gfp+0x3f3/0x1b00 [ 75.461817] [<00000000920a2909>] ? __shmem_file_setup.part.0+0x420/0x420 [ 75.461824] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 75.461831] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 75.461838] [<00000000bfb638d8>] shmem_fault+0x216/0x6b0 executing program executing program [ 75.461847] [<000000008f013d7d>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 75.461855] [<0000000039865cbe>] ? filemap_map_pages+0x813/0xc30 [ 75.461863] [<000000006c4f363d>] __do_fault+0x2a8/0x6c0 [ 75.461870] [<00000000271157cf>] ? do_page_mkwrite+0x400/0x400 [ 75.461879] [<0000000036ad542c>] ? handle_mm_fault+0x1ba8/0x2420 [ 75.461886] [<00000000ff0fb2d7>] handle_mm_fault+0x11bc/0x2420 [ 75.461894] [<000000003998438e>] ? vm_insert_page+0x850/0x850 [ 75.461901] [<0000000066734e86>] ? follow_page_mask+0x583/0xf40 executing program [ 75.461908] [<000000000bda6b38>] ? follow_page_mask+0x5e5/0xf40 [ 75.461915] [<00000000f0545c96>] ? follow_page_mask+0x38a/0xf40 [ 75.461923] [<00000000e54efc96>] __get_user_pages+0x3c7/0x10b0 [ 75.461930] [<0000000085e377c6>] ? uprobe_mmap+0xe8/0xa20 [ 75.461937] [<0000000058c569b6>] ? follow_page_mask+0xf40/0xf40 [ 75.461945] [<00000000ab03e3a1>] ? memset+0x32/0x40 [ 75.461952] [<00000000f031f20c>] populate_vma_page_range+0x19a/0x230 [ 75.461959] [<000000003260e594>] __mm_populate+0x1b9/0x300 executing program executing program [ 75.461966] [<00000000457a7859>] ? populate_vma_page_range+0x230/0x230 [ 75.461973] [<0000000004147b08>] ? vm_mmap_pgoff+0x188/0x1c0 [ 75.461980] [<000000006491c47c>] ? do_mmap+0x594/0xbc0 [ 75.461986] [<00000000e2c53348>] vm_mmap_pgoff+0x1aa/0x1c0 [ 75.461994] [<00000000fbb46265>] ? vma_is_stack_for_current+0xa0/0xa0 [ 75.462003] [<0000000066098a95>] ? do_futex+0x1a70/0x1a70 [ 75.462011] [<00000000fb1bd98a>] ? __do_page_fault+0x545/0xa60 [ 75.462019] [<00000000a6058ba7>] SyS_mmap_pgoff+0x14d/0x1b0 executing program [ 75.462026] [<00000000b3e890f2>] ? align_vdso_addr+0x60/0x60 [ 75.462033] [<0000000002e4f8f2>] SyS_mmap+0x16/0x20 [ 75.462040] [<000000000cb5ad66>] do_syscall_64+0x1ad/0x5c0 [ 75.462050] [<000000002f916a34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 75.540810] lowmemorykiller: Killing 'syz-executor499' (2477) (tgid 2477), adj 1000, [ 75.540810] to free 12172kB on behalf of 'syz-executor499' (3944) because [ 75.540810] cache 24844kB is below limit 65536kB for oom_score_adj 12 [ 75.540810] Free memory is -13416kB above reserved [ 75.541452] lowmemorykiller: Killing 'syz-executor499' (2483) (tgid 2483), adj 1000, [ 75.541452] to free 12172kB on behalf of 'syz-executor499' (3944) because [ 75.541452] cache 24844kB is below limit 65536kB for oom_score_adj 12 [ 75.541452] Free memory is -5416kB above reserved [ 75.604987] lowmemorykiller: Killing 'syz-executor499' (2492) (tgid 2492), adj 1000, [ 75.604987] to free 12172kB on behalf of 'syz-executor499' (3950) because [ 75.604987] cache 24660kB is below limit 65536kB for oom_score_adj 12 [ 75.604987] Free memory is -13376kB above reserved [ 75.612422] lowmemorykiller: Killing 'syz-executor499' (2495) (tgid 2495), adj 1000, [ 75.612422] to free 12172kB on behalf of 'syz-executor499' (3950) because [ 75.612422] cache 24460kB is below limit 65536kB for oom_score_adj 12 [ 75.612422] Free memory is -13400kB above reserved [ 75.612958] lowmemorykiller: Killing 'syz-executor499' (2507) (tgid 2507), adj 1000, [ 75.612958] to free 12172kB on behalf of 'syz-executor499' (3950) because [ 75.612958] cache 24460kB is below limit 65536kB for oom_score_adj 12 [ 75.612958] Free memory is -13400kB above reserved [ 75.741424] lowmemorykiller: Killing 'syz-executor499' (2516) (tgid 2516), adj 1000, [ 75.741424] to free 12172kB on behalf of 'syz-executor499' (3959) because [ 75.741424] cache 23972kB is below limit 65536kB for oom_score_adj 12 executing program [ 75.741424] Free memory is -13348kB above reserved [ 75.742131] lowmemorykiller: Killing 'syz-executor499' (2525) (tgid 2525), adj 1000, [ 75.742131] to free 12172kB on behalf of 'syz-executor499' (3959) because [ 75.742131] cache 23972kB is below limit 65536kB for oom_score_adj 12 [ 75.742131] Free memory is -2268kB above reserved [ 75.850779] lowmemorykiller: Killing 'syz-executor499' (2528) (tgid 2528), adj 1000, [ 75.850779] to free 12172kB on behalf of 'syz-executor499' (3965) because executing program executing program [ 75.850779] cache 23872kB is below limit 65536kB for oom_score_adj 12 [ 75.850779] Free memory is -13432kB above reserved [ 75.860785] lowmemorykiller: Killing 'syz-executor499' (2537) (tgid 2537), adj 1000, [ 75.860785] to free 12172kB on behalf of 'syz-executor499' (3965) because [ 75.860785] cache 23872kB is below limit 65536kB for oom_score_adj 12 [ 75.860785] Free memory is -3932kB above reserved [ 75.867515] lowmemorykiller: Killing 'syz-executor499' (2540) (tgid 2540), adj 1000, executing program executing program [ 75.867515] to free 12172kB on behalf of 'syz-executor499' (3965) because [ 75.867515] cache 23872kB is below limit 65536kB for oom_score_adj 12 [ 75.867515] Free memory is 3768kB above reserved [ 75.876221] lowmemorykiller: Killing 'syz-executor499' (2552) (tgid 2552), adj 1000, [ 75.876221] to free 12172kB on behalf of 'syz-executor499' (3965) because [ 75.876221] cache 23872kB is below limit 65536kB for oom_score_adj 12 [ 75.876221] Free memory is 6868kB above reserved [ 75.876830] lowmemorykiller: Killing 'syz-executor499' (2561) (tgid 2561), adj 1000, executing program [ 75.876830] to free 12172kB on behalf of 'syz-executor499' (3965) because [ 75.876830] cache 23872kB is below limit 65536kB for oom_score_adj 12 [ 75.876830] Free memory is 12468kB above reserved [ 76.068214] lowmemorykiller: Killing 'syz-executor499' (2564) (tgid 2564), adj 1000, [ 76.068214] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.068214] cache 23604kB is below limit 65536kB for oom_score_adj 12 [ 76.068214] Free memory is -13348kB above reserved executing program executing program [ 76.089158] lowmemorykiller: Killing 'syz-executor499' (2582) (tgid 2582), adj 1000, [ 76.089158] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.089158] cache 23404kB is below limit 65536kB for oom_score_adj 12 [ 76.089158] Free memory is -13232kB above reserved [ 76.097754] lowmemorykiller: Killing 'syz-executor499' (2585) (tgid 2585), adj 1000, [ 76.097754] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.097754] cache 23504kB is below limit 65536kB for oom_score_adj 12 [ 76.097754] Free memory is 6280kB above reserved executing program [ 76.105400] lowmemorykiller: Killing 'syz-executor499' (2603) (tgid 2603), adj 1000, [ 76.105400] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.105400] cache 23604kB is below limit 65536kB for oom_score_adj 12 [ 76.105400] Free memory is 11780kB above reserved [ 76.112953] lowmemorykiller: Killing 'syz-executor499' (2615) (tgid 2615), adj 1000, [ 76.112953] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.112953] cache 23504kB is below limit 65536kB for oom_score_adj 12 [ 76.112953] Free memory is 15668kB above reserved [ 76.122946] lowmemorykiller: Killing 'syz-executor499' (2627) (tgid 2627), adj 1000, [ 76.122946] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.122946] cache 23604kB is below limit 65536kB for oom_score_adj 12 [ 76.122946] Free memory is 19668kB above reserved [ 76.138374] lowmemorykiller: Killing 'syz-executor499' (2639) (tgid 2639), adj 1000, [ 76.138374] to free 12172kB on behalf of 'syz-executor499' (3980) because executing program [ 76.138374] cache 23604kB is below limit 65536kB for oom_score_adj 12 [ 76.138374] Free memory is 26868kB above reserved [ 76.153166] lowmemorykiller: Killing 'syz-executor499' (2648) (tgid 2648), adj 1000, [ 76.153166] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.153166] cache 23604kB is below limit 65536kB for oom_score_adj 12 [ 76.153166] Free memory is 41368kB above reserved executing program executing program [ 76.160784] lowmemorykiller: Killing 'syz-executor499' (2651) (tgid 2651), adj 1000, [ 76.160784] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.160784] cache 23504kB is below limit 65536kB for oom_score_adj 12 [ 76.160784] Free memory is 54668kB above reserved [ 76.170798] lowmemorykiller: Killing 'syz-executor499' (2660) (tgid 2660), adj 1000, [ 76.170798] to free 12172kB on behalf of 'syz-executor499' (3980) because [ 76.170798] cache 23504kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 76.170798] Free memory is 59068kB above reserved [ 76.500779] lowmemorykiller: Killing 'syz-executor499' (2666) (tgid 2666), adj 1000, [ 76.500779] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.500779] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.500779] Free memory is -13400kB above reserved [ 76.510775] lowmemorykiller: Killing 'syz-executor499' (2678) (tgid 2678), adj 1000, [ 76.510775] to free 12172kB on behalf of 'syz-executor499' (4010) because executing program [ 76.510775] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.510775] Free memory is -10500kB above reserved [ 76.521886] lowmemorykiller: Killing 'syz-executor499' (2687) (tgid 2687), adj 1000, [ 76.521886] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.521886] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.521886] Free memory is -2800kB above reserved [ 76.529345] lowmemorykiller: Killing 'syz-executor499' (2690) (tgid 2690), adj 1000, executing program executing program [ 76.529345] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.529345] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.529345] Free memory is 6100kB above reserved [ 76.542966] lowmemorykiller: Killing 'syz-executor499' (2699) (tgid 2699), adj 1000, [ 76.542966] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.542966] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.542966] Free memory is 10000kB above reserved executing program executing program [ 76.555138] lowmemorykiller: Killing 'syz-executor499' (2705) (tgid 2705), adj 1000, [ 76.555138] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.555138] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.555138] Free memory is 22300kB above reserved [ 76.560769] lowmemorykiller: Killing 'syz-executor499' (2711) (tgid 2711), adj 1000, [ 76.560769] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.560769] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.560769] Free memory is 32688kB above reserved [ 76.570788] lowmemorykiller: Killing 'syz-executor499' (2723) (tgid 2723), adj 1000, [ 76.570788] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.570788] cache 23304kB is below limit 65536kB for oom_score_adj 12 [ 76.570788] Free memory is 34288kB above reserved [ 76.584053] lowmemorykiller: Killing 'syz-executor499' (2729) (tgid 2729), adj 1000, [ 76.584053] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.584053] cache 23204kB is below limit 65536kB for oom_score_adj 12 [ 76.584053] Free memory is 41988kB above reserved [ 76.594021] lowmemorykiller: Killing 'syz-executor499' (2732) (tgid 2732), adj 1000, [ 76.594021] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.594021] cache 23204kB is below limit 65536kB for oom_score_adj 12 executing program [ 76.594021] Free memory is 53988kB above reserved [ 76.602412] lowmemorykiller: Killing 'syz-executor499' (2735) (tgid 2735), adj 1000, [ 76.602412] to free 12172kB on behalf of 'syz-executor499' (4010) because [ 76.602412] cache 23104kB is below limit 65536kB for oom_score_adj 12 [ 76.602412] Free memory is 65388kB above reserved [ 76.950770] lowmemorykiller: Killing 'syz-executor499' (2759) (tgid 2759), adj 1000, [ 76.950770] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 76.950770] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 76.950770] Free memory is -13328kB above reserved [ 76.960756] lowmemorykiller: Killing 'syz-executor499' (2771) (tgid 2771), adj 1000, [ 76.960756] to free 12172kB on behalf of 'syz-executor499' (4043) because executing program executing program [ 76.960756] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 76.960756] Free memory is -6228kB above reserved [ 76.970762] lowmemorykiller: Killing 'syz-executor499' (2777) (tgid 2777), adj 1000, [ 76.970762] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 76.970762] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 76.970762] Free memory is 1472kB above reserved [ 76.977885] lowmemorykiller: Killing 'syz-executor499' (2783) (tgid 2783), adj 1000, [ 76.977885] to free 12172kB on behalf of 'syz-executor499' (4043) because executing program executing program [ 76.977885] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 76.977885] Free memory is 9272kB above reserved [ 76.990781] lowmemorykiller: Killing 'syz-executor499' (2795) (tgid 2795), adj 1000, [ 76.990781] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 76.990781] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 76.990781] Free memory is 12372kB above reserved [ 77.000744] lowmemorykiller: Killing 'syz-executor499' (2804) (tgid 2804), adj 1000, executing program [ 77.000744] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 77.000744] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 77.000744] Free memory is 24172kB above reserved [ 77.010747] lowmemorykiller: Killing 'syz-executor499' (2819) (tgid 2819), adj 1000, [ 77.010747] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 77.010747] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 77.010747] Free memory is 33172kB above reserved executing program executing program [ 77.028362] lowmemorykiller: Killing 'syz-executor499' (2828) (tgid 2828), adj 1000, [ 77.028362] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 77.028362] cache 23140kB is below limit 65536kB for oom_score_adj 12 [ 77.028362] Free memory is 40756kB above reserved [ 77.040758] lowmemorykiller: Killing 'syz-executor499' (2831) (tgid 2831), adj 1000, [ 77.040758] to free 12172kB on behalf of 'syz-executor499' (4043) because [ 77.040758] cache 23140kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 77.040758] Free memory is 65248kB above reserved [ 77.400764] lowmemorykiller: Killing 'syz-executor499' (2834) (tgid 2834), adj 1000, [ 77.400764] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.400764] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.400764] Free memory is -13344kB above reserved [ 77.410771] lowmemorykiller: Killing 'syz-executor499' (2843) (tgid 2843), adj 1000, [ 77.410771] to free 12172kB on behalf of 'syz-executor499' (4070) because executing program [ 77.410771] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.410771] Free memory is -2748kB above reserved [ 77.420763] lowmemorykiller: Killing 'syz-executor499' (2873) (tgid 2873), adj 1000, [ 77.420763] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.420763] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.420763] Free memory is 4952kB above reserved [ 77.430782] lowmemorykiller: Killing 'syz-executor499' (2876) (tgid 2876), adj 1000, [ 77.430782] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.430782] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.430782] Free memory is 12752kB above reserved [ 77.440771] lowmemorykiller: Killing 'syz-executor499' (2894) (tgid 2894), adj 1000, [ 77.440771] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.440771] cache 22976kB is below limit 65536kB for oom_score_adj 12 executing program [ 77.440771] Free memory is 20352kB above reserved [ 77.450780] lowmemorykiller: Killing 'syz-executor499' (2900) (tgid 2900), adj 1000, [ 77.450780] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.450780] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.450780] Free memory is 28152kB above reserved executing program [ 77.460801] lowmemorykiller: Killing 'syz-executor499' (2903) (tgid 2903), adj 1000, [ 77.460801] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.460801] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.460801] Free memory is 35852kB above reserved [ 77.470791] lowmemorykiller: Killing 'syz-executor499' (2909) (tgid 2909), adj 1000, [ 77.470791] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.470791] cache 22976kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 77.470791] Free memory is 43552kB above reserved [ 77.480728] lowmemorykiller: Killing 'syz-executor499' (2912) (tgid 2912), adj 1000, [ 77.480728] to free 12172kB on behalf of 'syz-executor499' (4070) because [ 77.480728] cache 22876kB is below limit 65536kB for oom_score_adj 12 [ 77.480728] Free memory is 51224kB above reserved [ 77.490747] lowmemorykiller: Killing 'syz-executor499' (2927) (tgid 2927), adj 1000, [ 77.490747] to free 12172kB on behalf of 'syz-executor499' (4070) because executing program executing program [ 77.490747] cache 22976kB is below limit 65536kB for oom_score_adj 12 [ 77.490747] Free memory is 60024kB above reserved [ 77.800772] lowmemorykiller: Killing 'syz-executor499' (2936) (tgid 2936), adj 1000, [ 77.800772] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.800772] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.800772] Free memory is -13364kB above reserved [ 77.810784] lowmemorykiller: Killing 'syz-executor499' (2951) (tgid 2951), adj 1000, executing program [ 77.810784] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.810784] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.810784] Free memory is -9464kB above reserved [ 77.820784] lowmemorykiller: Killing 'syz-executor499' (2960) (tgid 2960), adj 1000, [ 77.820784] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.820784] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.820784] Free memory is -1964kB above reserved [ 77.828981] lowmemorykiller: Killing 'syz-executor499' (2984) (tgid 2984), adj 1000, executing program executing program [ 77.828981] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.828981] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.828981] Free memory is 5520kB above reserved [ 77.841863] lowmemorykiller: Killing 'syz-executor499' (2987) (tgid 2987), adj 1000, [ 77.841863] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.841863] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.841863] Free memory is 10400kB above reserved executing program [ 77.852932] lowmemorykiller: Killing 'syz-executor499' (2996) (tgid 2996), adj 1000, [ 77.852932] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.852932] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.852932] Free memory is 19800kB above reserved [ 77.861837] lowmemorykiller: Killing 'syz-executor499' (3005) (tgid 3005), adj 1000, [ 77.861837] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.861837] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.861837] Free memory is 29000kB above reserved [ 77.874008] lowmemorykiller: Killing 'syz-executor499' (3008) (tgid 3008), adj 1000, [ 77.874008] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.874008] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.874008] Free memory is 42192kB above reserved [ 77.880753] lowmemorykiller: Killing 'syz-executor499' (3014) (tgid 3014), adj 1000, [ 77.880753] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.880753] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.880753] Free memory is 52892kB above reserved [ 77.890765] lowmemorykiller: Killing 'syz-executor499' (3029) (tgid 3029), adj 1000, [ 77.890765] to free 12172kB on behalf of 'syz-executor499' (4100) because executing program executing program [ 77.890765] cache 22812kB is below limit 65536kB for oom_score_adj 12 [ 77.890765] Free memory is 55968kB above reserved [ 77.900757] lowmemorykiller: Killing 'syz-executor499' (3038) (tgid 3038), adj 1000, [ 77.900757] to free 12172kB on behalf of 'syz-executor499' (4100) because [ 77.900757] cache 22712kB is below limit 65536kB for oom_score_adj 12 [ 77.900757] Free memory is 63168kB above reserved [ 78.266625] lowmemorykiller: Killing 'syz-executor499' (3053) (tgid 3053), adj 1000, [ 78.266625] to free 12172kB on behalf of 'syz-executor499' (4133) because executing program executing program [ 78.266625] cache 22648kB is below limit 65536kB for oom_score_adj 12 [ 78.266625] Free memory is -13396kB above reserved [ 78.266631] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 78.266636] in_atomic(): 0, irqs_disabled(): 0, pid: 4133, name: syz-executor499 [ 78.266638] INFO: lockdep is turned off. [ 78.266655] Preemption disabled at: [ 78.266655] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 78.266664] CPU: 1 PID: 4133 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 executing program [ 78.266678] ffff880011bf7018 ffffffff81b57e21 0000000000000000 0000000000000001 [ 78.266689] ffff880011be0000 ffffffff810d0c40 ffff880011be0000 ffff880011bf7050 [ 78.266699] ffffffff8140036c ffff880011be0000 ffffffff82a39900 0000000000000387 [ 78.266700] Call Trace: [ 78.266712] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 78.266719] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 78.266729] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 78.266739] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 executing program executing program [ 78.266746] [<0000000031b561c5>] mmput+0x28/0x370 [ 78.266754] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 [ 78.266762] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 78.266771] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 78.266780] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 78.266788] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 78.266797] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 78.266806] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 executing program executing program [ 78.266815] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 [ 78.266823] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 [ 78.266831] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 [ 78.266840] [<0000000056a253f3>] ? __radix_tree_lookup+0x183/0x220 [ 78.266848] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 78.266856] [<000000002084769f>] ? __radix_tree_lookup+0x220/0x220 [ 78.266864] [<00000000690a6760>] ? find_get_entry+0x2a9/0x510 [ 78.266872] [<000000002b17d290>] ? find_get_entry+0x2d0/0x510 executing program [ 78.266880] [<000000000ac6f1f4>] ? page_cache_prev_hole+0x80/0x80 [ 78.266887] [<00000000bc698c03>] ? find_lock_entry+0xdd/0x200 [ 78.266895] [<00000000def7d1f2>] shmem_getpage_gfp+0x3f3/0x1b00 [ 78.266904] [<00000000920a2909>] ? __shmem_file_setup.part.0+0x420/0x420 [ 78.266913] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 78.266921] [<00000000bfb638d8>] shmem_fault+0x216/0x6b0 [ 78.266930] [<000000008f013d7d>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 78.266937] [<0000000039865cbe>] ? filemap_map_pages+0x813/0xc30 [ 78.266945] [<000000006c4f363d>] __do_fault+0x2a8/0x6c0 [ 78.266952] [<00000000271157cf>] ? do_page_mkwrite+0x400/0x400 [ 78.266960] [<0000000036ad542c>] ? handle_mm_fault+0x1ba8/0x2420 [ 78.266968] [<00000000ff0fb2d7>] handle_mm_fault+0x11bc/0x2420 [ 78.266975] [<000000003998438e>] ? vm_insert_page+0x850/0x850 [ 78.266981] [<0000000066734e86>] ? follow_page_mask+0x583/0xf40 [ 78.266988] [<000000000bda6b38>] ? follow_page_mask+0x5e5/0xf40 [ 78.266996] [<00000000f0545c96>] ? follow_page_mask+0x38a/0xf40 [ 78.267003] [<00000000e54efc96>] __get_user_pages+0x3c7/0x10b0 [ 78.267010] [<0000000085e377c6>] ? uprobe_mmap+0xe8/0xa20 [ 78.267017] [<0000000058c569b6>] ? follow_page_mask+0xf40/0xf40 [ 78.267025] [<00000000ab03e3a1>] ? memset+0x32/0x40 [ 78.267032] [<00000000f031f20c>] populate_vma_page_range+0x19a/0x230 executing program [ 78.267040] [<000000003260e594>] __mm_populate+0x1b9/0x300 [ 78.267047] [<00000000457a7859>] ? populate_vma_page_range+0x230/0x230 [ 78.267054] [<0000000004147b08>] ? vm_mmap_pgoff+0x188/0x1c0 [ 78.267061] [<000000006491c47c>] ? do_mmap+0x594/0xbc0 [ 78.267068] [<00000000e2c53348>] vm_mmap_pgoff+0x1aa/0x1c0 [ 78.267076] [<00000000fbb46265>] ? vma_is_stack_for_current+0xa0/0xa0 [ 78.267085] [<0000000066098a95>] ? do_futex+0x1a70/0x1a70 [ 78.267092] [<00000000fb1bd98a>] ? __do_page_fault+0x545/0xa60 executing program executing program [ 78.267100] [<00000000a6058ba7>] SyS_mmap_pgoff+0x14d/0x1b0 [ 78.267107] [<00000000b3e890f2>] ? align_vdso_addr+0x60/0x60 [ 78.267113] [<0000000002e4f8f2>] SyS_mmap+0x16/0x20 [ 78.267121] [<000000000cb5ad66>] do_syscall_64+0x1ad/0x5c0 [ 78.267130] [<000000002f916a34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 78.289352] lowmemorykiller: Killing 'syz-executor499' (3062) (tgid 3062), adj 1000, [ 78.289352] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.289352] cache 22548kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 78.289352] Free memory is -13320kB above reserved [ 78.300788] lowmemorykiller: Killing 'syz-executor499' (3065) (tgid 3065), adj 1000, [ 78.300788] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.300788] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.300788] Free memory is 3384kB above reserved [ 78.310797] lowmemorykiller: Killing 'syz-executor499' (3068) (tgid 3068), adj 1000, [ 78.310797] to free 12172kB on behalf of 'syz-executor499' (4133) because executing program executing program [ 78.310797] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.310797] Free memory is 13160kB above reserved [ 78.320804] lowmemorykiller: Killing 'syz-executor499' (3107) (tgid 3107), adj 1000, [ 78.320804] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.320804] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.320804] Free memory is 20656kB above reserved [ 78.331887] lowmemorykiller: Killing 'syz-executor499' (3113) (tgid 3113), adj 1000, [ 78.331887] to free 12172kB on behalf of 'syz-executor499' (4133) because executing program [ 78.331887] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.331887] Free memory is 28056kB above reserved [ 78.340802] lowmemorykiller: Killing 'syz-executor499' (3122) (tgid 3122), adj 1000, [ 78.340802] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.340802] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.340802] Free memory is 37036kB above reserved [ 78.350774] lowmemorykiller: Killing 'syz-executor499' (3131) (tgid 3131), adj 1000, executing program executing program [ 78.350774] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.350774] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.350774] Free memory is 43236kB above reserved [ 78.360784] lowmemorykiller: Killing 'syz-executor499' (3146) (tgid 3146), adj 1000, [ 78.360784] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.360784] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.360784] Free memory is 50680kB above reserved [ 78.361422] lowmemorykiller: Killing 'syz-executor499' (3152) (tgid 3152), adj 1000, [ 78.361422] to free 12172kB on behalf of 'syz-executor499' (4133) because [ 78.361422] cache 22484kB is below limit 65536kB for oom_score_adj 12 [ 78.361422] Free memory is 58372kB above reserved [ 78.671045] lowmemorykiller: Killing 'syz-executor499' (3161) (tgid 3161), adj 1000, [ 78.671045] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.671045] cache 22320kB is below limit 65536kB for oom_score_adj 12 [ 78.671045] Free memory is -13404kB above reserved [ 78.688119] lowmemorykiller: Killing 'syz-executor499' (3167) (tgid 3167), adj 1000, [ 78.688119] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.688119] cache 22220kB is below limit 65536kB for oom_score_adj 12 [ 78.688119] Free memory is -13240kB above reserved [ 78.701766] lowmemorykiller: Killing 'syz-executor499' (3179) (tgid 3179), adj 1000, [ 78.701766] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.701766] cache 22220kB is below limit 65536kB for oom_score_adj 12 [ 78.701766] Free memory is 4260kB above reserved [ 78.708772] lowmemorykiller: Killing 'syz-executor499' (3194) (tgid 3194), adj 1000, [ 78.708772] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.708772] cache 22220kB is below limit 65536kB for oom_score_adj 12 [ 78.708772] Free memory is 15760kB above reserved [ 78.720803] lowmemorykiller: Killing 'syz-executor499' (3203) (tgid 3203), adj 1000, [ 78.720803] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.720803] cache 22120kB is below limit 65536kB for oom_score_adj 12 executing program [ 78.720803] Free memory is 18860kB above reserved [ 78.731882] lowmemorykiller: Killing 'syz-executor499' (3215) (tgid 3215), adj 1000, [ 78.731882] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.731882] cache 22120kB is below limit 65536kB for oom_score_adj 12 [ 78.731882] Free memory is 29060kB above reserved [ 78.740786] lowmemorykiller: Killing 'syz-executor499' (3221) (tgid 3221), adj 1000, [ 78.740786] to free 12172kB on behalf of 'syz-executor499' (4163) because executing program executing program [ 78.740786] cache 22120kB is below limit 65536kB for oom_score_adj 12 [ 78.740786] Free memory is 37660kB above reserved [ 78.747827] lowmemorykiller: Killing 'syz-executor499' (3224) (tgid 3224), adj 1000, [ 78.747827] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.747827] cache 22220kB is below limit 65536kB for oom_score_adj 12 [ 78.747827] Free memory is 43756kB above reserved [ 78.759608] lowmemorykiller: Killing 'syz-executor499' (3227) (tgid 3227), adj 1000, executing program executing program [ 78.759608] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.759608] cache 22120kB is below limit 65536kB for oom_score_adj 12 [ 78.759608] Free memory is 52224kB above reserved [ 78.772965] lowmemorykiller: Killing 'syz-executor499' (3239) (tgid 3239), adj 1000, [ 78.772965] to free 12172kB on behalf of 'syz-executor499' (4163) because [ 78.772965] cache 22220kB is below limit 65536kB for oom_score_adj 12 [ 78.772965] Free memory is 61924kB above reserved executing program [ 79.090768] lowmemorykiller: Killing 'syz-executor499' (3248) (tgid 3248), adj 1000, [ 79.090768] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.090768] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.090768] Free memory is -13328kB above reserved [ 79.100761] lowmemorykiller: Killing 'syz-executor499' (3251) (tgid 3251), adj 1000, [ 79.100761] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.100761] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.100761] Free memory is -5852kB above reserved executing program executing program [ 79.110757] lowmemorykiller: Killing 'syz-executor499' (3263) (tgid 3263), adj 1000, [ 79.110757] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.110757] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.110757] Free memory is 1848kB above reserved [ 79.117567] lowmemorykiller: Killing 'syz-executor499' (3269) (tgid 3269), adj 1000, [ 79.117567] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.117567] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.117567] Free memory is 9548kB above reserved executing program executing program [ 79.126294] lowmemorykiller: Killing 'syz-executor499' (3272) (tgid 3272), adj 1000, [ 79.126294] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.126294] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.126294] Free memory is 12648kB above reserved [ 79.140531] lowmemorykiller: Killing 'syz-executor499' (3275) (tgid 3275), adj 1000, [ 79.140531] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.140531] cache 22008kB is below limit 65536kB for oom_score_adj 12 executing program [ 79.140531] Free memory is 18148kB above reserved [ 79.150785] lowmemorykiller: Killing 'syz-executor499' (3278) (tgid 3278), adj 1000, [ 79.150785] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.150785] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.150785] Free memory is 31044kB above reserved [ 79.160784] lowmemorykiller: Killing 'syz-executor499' (3290) (tgid 3290), adj 1000, [ 79.160784] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.160784] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.160784] Free memory is 38940kB above reserved [ 79.170729] lowmemorykiller: Killing 'syz-executor499' (3299) (tgid 3299), adj 1000, [ 79.170729] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.170729] cache 21908kB is below limit 65536kB for oom_score_adj 12 [ 79.170729] Free memory is 46440kB above reserved [ 79.187743] lowmemorykiller: Killing 'syz-executor499' (3323) (tgid 3323), adj 1000, [ 79.187743] to free 12172kB on behalf of 'syz-executor499' (4193) because [ 79.187743] cache 22008kB is below limit 65536kB for oom_score_adj 12 [ 79.187743] Free memory is 53716kB above reserved [ 79.500769] lowmemorykiller: Killing 'syz-executor499' (3329) (tgid 3329), adj 1000, [ 79.500769] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.500769] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.500769] Free memory is -13408kB above reserved [ 79.510768] lowmemorykiller: Killing 'syz-executor499' (3332) (tgid 3332), adj 1000, [ 79.510768] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.510768] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.510768] Free memory is -9708kB above reserved [ 79.520775] lowmemorykiller: Killing 'syz-executor499' (3335) (tgid 3335), adj 1000, [ 79.520775] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.520775] cache 21852kB is below limit 65536kB for oom_score_adj 12 executing program [ 79.520775] Free memory is -2012kB above reserved [ 79.531858] lowmemorykiller: Killing 'syz-executor499' (3341) (tgid 3341), adj 1000, [ 79.531858] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.531858] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.531858] Free memory is 5476kB above reserved [ 79.541853] lowmemorykiller: Killing 'syz-executor499' (3344) (tgid 3344), adj 1000, [ 79.541853] to free 12172kB on behalf of 'syz-executor499' (4223) because executing program executing program [ 79.541853] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.541853] Free memory is 14576kB above reserved [ 79.550765] lowmemorykiller: Killing 'syz-executor499' (3356) (tgid 3356), adj 1000, [ 79.550765] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.550765] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.550765] Free memory is 22160kB above reserved [ 79.560761] lowmemorykiller: Killing 'syz-executor499' (3362) (tgid 3362), adj 1000, [ 79.560761] to free 12172kB on behalf of 'syz-executor499' (4223) because executing program executing program [ 79.560761] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.560761] Free memory is 28356kB above reserved [ 79.570785] lowmemorykiller: Killing 'syz-executor499' (3368) (tgid 3368), adj 1000, [ 79.570785] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.570785] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.570785] Free memory is 36256kB above reserved [ 79.580737] lowmemorykiller: Killing 'syz-executor499' (3371) (tgid 3371), adj 1000, executing program [ 79.580737] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.580737] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.580737] Free memory is 43736kB above reserved [ 79.594197] lowmemorykiller: Killing 'syz-executor499' (3377) (tgid 3377), adj 1000, [ 79.594197] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.594197] cache 21752kB is below limit 65536kB for oom_score_adj 12 [ 79.594197] Free memory is 51632kB above reserved [ 79.607302] lowmemorykiller: Killing 'syz-executor499' (3383) (tgid 3383), adj 1000, executing program executing program [ 79.607302] to free 12172kB on behalf of 'syz-executor499' (4223) because [ 79.607302] cache 21852kB is below limit 65536kB for oom_score_adj 12 [ 79.607302] Free memory is 63532kB above reserved [ 80.020757] lowmemorykiller: Killing 'syz-executor499' (3389) (tgid 3389), adj 1000, [ 80.020757] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.020757] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.020757] Free memory is -13324kB above reserved executing program [ 80.030764] lowmemorykiller: Killing 'syz-executor499' (3410) (tgid 3410), adj 1000, [ 80.030764] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.030764] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.030764] Free memory is -8824kB above reserved [ 80.040767] lowmemorykiller: Killing 'syz-executor499' (3416) (tgid 3416), adj 1000, [ 80.040767] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.040767] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.040767] Free memory is -1124kB above reserved [ 80.050766] lowmemorykiller: Killing 'syz-executor499' (3419) (tgid 3419), adj 1000, [ 80.050766] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.050766] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.050766] Free memory is 6476kB above reserved [ 80.061842] lowmemorykiller: Killing 'syz-executor499' (3428) (tgid 3428), adj 1000, [ 80.061842] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.061842] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.061842] Free memory is 14176kB above reserved executing program executing program [ 80.070732] lowmemorykiller: Killing 'syz-executor499' (3431) (tgid 3431), adj 1000, [ 80.070732] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.070732] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.070732] Free memory is 22752kB above reserved [ 80.084260] lowmemorykiller: Killing 'syz-executor499' (3449) (tgid 3449), adj 1000, [ 80.084260] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.084260] cache 21696kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 80.084260] Free memory is 29036kB above reserved [ 80.100042] lowmemorykiller: Killing 'syz-executor499' (3452) (tgid 3452), adj 1000, [ 80.100042] to free 12172kB on behalf of 'syz-executor499' (4256) because [ 80.100042] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.100042] Free memory is 41640kB above reserved [ 80.110768] lowmemorykiller: Killing 'syz-executor499' (3455) (tgid 3455), adj 1000, [ 80.110768] to free 12172kB on behalf of 'syz-executor499' (4256) because executing program executing program [ 80.110768] cache 21696kB is below limit 65536kB for oom_score_adj 12 [ 80.110768] Free memory is 58828kB above reserved [ 80.462912] lowmemorykiller: Killing 'syz-executor499' (3464) (tgid 3464), adj 1000, [ 80.462912] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.462912] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.462912] Free memory is -13264kB above reserved [ 80.470755] lowmemorykiller: Killing 'syz-executor499' (3491) (tgid 3491), adj 1000, [ 80.470755] to free 12172kB on behalf of 'syz-executor499' (4283) because executing program [ 80.470755] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.470755] Free memory is -10464kB above reserved [ 80.481867] lowmemorykiller: Killing 'syz-executor499' (3503) (tgid 3503), adj 1000, [ 80.481867] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.481867] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.481867] Free memory is -5768kB above reserved [ 80.491854] lowmemorykiller: Killing 'syz-executor499' (3509) (tgid 3509), adj 1000, executing program [ 80.491854] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.491854] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.491854] Free memory is 2932kB above reserved [ 80.500333] lowmemorykiller: Killing 'syz-executor499' (3521) (tgid 3521), adj 1000, [ 80.500333] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.500333] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.500333] Free memory is 10308kB above reserved [ 80.519416] lowmemorykiller: Killing 'syz-executor499' (3527) (tgid 3527), adj 1000, [ 80.519416] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.519416] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.519416] Free memory is 15208kB above reserved executing program executing program [ 80.530792] lowmemorykiller: Killing 'syz-executor499' (3530) (tgid 3530), adj 1000, [ 80.530792] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.530792] cache 21540kB is below limit 65536kB for oom_score_adj 12 [ 80.530792] Free memory is 34564kB above reserved [ 80.531419] lowmemorykiller: Killing 'syz-executor499' (3536) (tgid 3536), adj 1000, [ 80.531419] to free 12172kB on behalf of 'syz-executor499' (4283) because [ 80.531419] cache 21540kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 80.531419] Free memory is 44064kB above reserved [ 80.531424] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 80.531429] in_atomic(): 0, irqs_disabled(): 0, pid: 4283, name: syz-executor499 [ 80.531431] INFO: lockdep is turned off. [ 80.531447] Preemption disabled at: [ 80.531448] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 80.531458] CPU: 1 PID: 4283 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 [ 80.531472] ffff8800b3a6f018 ffffffff81b57e21 0000000000000000 0000000000000001 executing program [ 80.531489] ffff8800b3a60000 ffffffff810d0c40 ffff8800b3a60000 ffff8800b3a6f050 [ 80.531499] ffffffff8140036c ffff8800b3a60000 ffffffff82a39900 0000000000000387 [ 80.531501] Call Trace: [ 80.531511] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 80.531519] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 80.531528] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 80.531538] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 80.531545] [<0000000031b561c5>] mmput+0x28/0x370 [ 80.531555] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 executing program executing program [ 80.531562] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 80.531572] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 80.531581] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230 [ 80.531589] [<000000001d4060b2>] shrink_node+0x1ed/0x750 [ 80.531598] [<00000000cc93f44b>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 80.531607] [<0000000022c78a16>] ? __delayacct_freepages_start+0x41/0x80 [ 80.531614] [<0000000098270673>] try_to_free_pages+0x397/0xbd0 [ 80.531622] [<000000004ff68fa4>] ? shrink_node+0x750/0x750 [ 80.531631] [<00000000cf3d708c>] __alloc_pages_nodemask+0x930/0x1a80 [ 80.531639] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 80.531647] [<0000000056a253f3>] ? __radix_tree_lookup+0x183/0x220 [ 80.531654] [<00000000318aef4a>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 80.531662] [<000000002084769f>] ? __radix_tree_lookup+0x220/0x220 executing program [ 80.531669] [<00000000690a6760>] ? find_get_entry+0x2a9/0x510 [ 80.531677] [<000000002b17d290>] ? find_get_entry+0x2d0/0x510 [ 80.531684] [<000000000ac6f1f4>] ? page_cache_prev_hole+0x80/0x80 [ 80.531692] [<00000000bc698c03>] ? find_lock_entry+0xdd/0x200 [ 80.531700] [<00000000def7d1f2>] shmem_getpage_gfp+0x3f3/0x1b00 [ 80.531710] [<00000000920a2909>] ? __shmem_file_setup.part.0+0x420/0x420 [ 80.531717] [<00000000c0508f6f>] ? trace_hardirqs_on+0x10/0x10 [ 80.531725] [<00000000bfb638d8>] shmem_fault+0x216/0x6b0 executing program executing program [ 80.531734] [<000000008f013d7d>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 80.531742] [<0000000039865cbe>] ? filemap_map_pages+0x813/0xc30 [ 80.531750] [<000000006c4f363d>] __do_fault+0x2a8/0x6c0 [ 80.531757] [<00000000271157cf>] ? do_page_mkwrite+0x400/0x400 [ 80.531765] [<0000000036ad542c>] ? handle_mm_fault+0x1ba8/0x2420 [ 80.531772] [<00000000ff0fb2d7>] handle_mm_fault+0x11bc/0x2420 [ 80.531780] [<000000003998438e>] ? vm_insert_page+0x850/0x850 [ 80.531792] [<0000000066734e86>] ? follow_page_mask+0x583/0xf40 executing program executing program [ 80.531799] [<000000000bda6b38>] ? follow_page_mask+0x5e5/0xf40 [ 80.531806] [<00000000f0545c96>] ? follow_page_mask+0x38a/0xf40 [ 80.531814] [<00000000e54efc96>] __get_user_pages+0x3c7/0x10b0 [ 80.531821] [<0000000085e377c6>] ? uprobe_mmap+0xe8/0xa20 [ 80.531828] [<0000000058c569b6>] ? follow_page_mask+0xf40/0xf40 [ 80.531836] [<00000000ab03e3a1>] ? memset+0x32/0x40 [ 80.531843] [<00000000f031f20c>] populate_vma_page_range+0x19a/0x230 [ 80.531851] [<000000003260e594>] __mm_populate+0x1b9/0x300 executing program [ 80.531858] [<00000000457a7859>] ? populate_vma_page_range+0x230/0x230 [ 80.531865] [<0000000004147b08>] ? vm_mmap_pgoff+0x188/0x1c0 [ 80.531872] [<000000006491c47c>] ? do_mmap+0x594/0xbc0 [ 80.531879] [<00000000e2c53348>] vm_mmap_pgoff+0x1aa/0x1c0 [ 80.531886] [<00000000fbb46265>] ? vma_is_stack_for_current+0xa0/0xa0 [ 80.531895] [<0000000066098a95>] ? do_futex+0x1a70/0x1a70 [ 80.531902] [<00000000fb1bd98a>] ? __do_page_fault+0x545/0xa60 [ 80.531910] [<00000000a6058ba7>] SyS_mmap_pgoff+0x14d/0x1b0 [ 80.531919] [<00000000b3e890f2>] ? align_vdso_addr+0x60/0x60 executing program executing program [ 80.531925] [<0000000002e4f8f2>] SyS_mmap+0x16/0x20 [ 80.531932] [<000000000cb5ad66>] do_syscall_64+0x1ad/0x5c0 [ 80.531942] [<000000002f916a34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 80.783999] lowmemorykiller: Killing 'syz-executor499' (3557) (tgid 3557), adj 1000, [ 80.783999] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.783999] cache 21384kB is below limit 65536kB for oom_score_adj 12 [ 80.783999] Free memory is -13376kB above reserved executing program executing program [ 80.792905] lowmemorykiller: Killing 'syz-executor499' (3560) (tgid 3560), adj 1000, [ 80.792905] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.792905] cache 21384kB is below limit 65536kB for oom_score_adj 12 [ 80.792905] Free memory is -11176kB above reserved [ 80.800764] lowmemorykiller: Killing 'syz-executor499' (3563) (tgid 3563), adj 1000, [ 80.800764] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.800764] cache 21384kB is below limit 65536kB for oom_score_adj 12 [ 80.800764] Free memory is -5076kB above reserved executing program [ 80.812977] lowmemorykiller: Killing 'syz-executor499' (3584) (tgid 3584), adj 1000, [ 80.812977] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.812977] cache 21384kB is below limit 65536kB for oom_score_adj 12 [ 80.812977] Free memory is -392kB above reserved [ 80.820918] lowmemorykiller: Killing 'syz-executor499' (3593) (tgid 3593), adj 1000, [ 80.820918] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.820918] cache 21384kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 80.820918] Free memory is 10108kB above reserved [ 80.823273] lowmemorykiller: Killing 'syz-executor499' (3611) (tgid 3611), adj 1000, [ 80.823273] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.823273] cache 21384kB is below limit 65536kB for oom_score_adj 12 [ 80.823273] Free memory is 14308kB above reserved [ 80.835260] lowmemorykiller: Killing 'syz-executor499' (3614) (tgid 3614), adj 1000, [ 80.835260] to free 12172kB on behalf of 'syz-executor499' (4307) because [ 80.835260] cache 21184kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 80.835260] Free memory is 25408kB above reserved [ 81.060764] lowmemorykiller: Killing 'syz-executor499' (3620) (tgid 3620), adj 1000, [ 81.060764] to free 12172kB on behalf of 'syz-executor499' (4328) because [ 81.060764] cache 21232kB is below limit 65536kB for oom_score_adj 12 [ 81.060764] Free memory is -13288kB above reserved [ 81.070755] lowmemorykiller: Killing 'syz-executor499' (3623) (tgid 3623), adj 1000, [ 81.070755] to free 12172kB on behalf of 'syz-executor499' (4328) because executing program [ 81.070755] cache 21232kB is below limit 65536kB for oom_score_adj 12 [ 81.070755] Free memory is -8288kB above reserved [ 81.071315] lowmemorykiller: Killing 'syz-executor499' (3641) (tgid 3641), adj 1000, executing program [ 81.071315] to free 12172kB on behalf of 'syz-executor499' (4328) because [ 81.071315] cache 21232kB is below limit 65536kB for oom_score_adj 12 [ 81.071315] Free memory is -288kB above reserved [ 81.081836] lowmemorykiller: Killing 'syz-executor499' (3656) (tgid 3656), adj 1000, [ 81.081836] to free 12172kB on behalf of 'syz-executor499' (4328) because [ 81.081836] cache 21132kB is below limit 65536kB for oom_score_adj 12 [ 81.081836] Free memory is 1012kB above reserved [ 81.091829] lowmemorykiller: Killing 'syz-executor499' (3677) (tgid 3677), adj 1000, executing program [ 81.091829] to free 12172kB on behalf of 'syz-executor499' (4328) because [ 81.091829] cache 21032kB is below limit 65536kB for oom_score_adj 12 [ 81.091829] Free memory is 8912kB above reserved [ 81.100249] lowmemorykiller: Killing 'syz-executor499' (3686) (tgid 3686), adj 1000, [ 81.100249] to free 12172kB on behalf of 'syz-executor499' (4328) because [ 81.100249] cache 21032kB is below limit 65536kB for oom_score_adj 12 executing program [ 81.100249] Free memory is 24200kB above reserved [ 81.300780] lowmemorykiller: Killing 'syz-executor499' (3698) (tgid 3698), adj 1000, [ 81.300780] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.300780] cache 21080kB is below limit 65536kB for oom_score_adj 12 [ 81.300780] Free memory is -13444kB above reserved executing program [ 81.301394] lowmemorykiller: Killing 'syz-executor499' (3701) (tgid 3701), adj 1000, [ 81.301394] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.301394] cache 21080kB is below limit 65536kB for oom_score_adj 12 [ 81.301394] Free memory is -10344kB above reserved [ 81.311831] lowmemorykiller: Killing 'syz-executor499' (3704) (tgid 3704), adj 1000, [ 81.311831] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.311831] cache 21080kB is below limit 65536kB for oom_score_adj 12 [ 81.311831] Free memory is -8944kB above reserved executing program executing program [ 81.321841] lowmemorykiller: Killing 'syz-executor499' (3707) (tgid 3707), adj 1000, [ 81.321841] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.321841] cache 20980kB is below limit 65536kB for oom_score_adj 12 [ 81.321841] Free memory is -44kB above reserved [ 81.331831] lowmemorykiller: Killing 'syz-executor499' (3716) (tgid 3716), adj 1000, [ 81.331831] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.331831] cache 20980kB is below limit 65536kB for oom_score_adj 12 [ 81.331831] Free memory is 15156kB above reserved [ 81.332576] lowmemorykiller: Killing 'syz-executor499' (3719) (tgid 3719), adj 1000, [ 81.332576] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.332576] cache 20880kB is below limit 65536kB for oom_score_adj 12 [ 81.332576] Free memory is 23044kB above reserved executing program executing program [ 81.344033] lowmemorykiller: Killing 'syz-executor499' (3722) (tgid 3722), adj 1000, [ 81.344033] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.344033] cache 20880kB is below limit 65536kB for oom_score_adj 12 [ 81.344033] Free memory is 23044kB above reserved [ 81.344596] lowmemorykiller: Killing 'syz-executor499' (3725) (tgid 3725), adj 1000, [ 81.344596] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.344596] cache 20880kB is below limit 65536kB for oom_score_adj 12 executing program [ 81.344596] Free memory is 33824kB above reserved [ 81.344901] lowmemorykiller: Killing 'syz-executor499' (3728) (tgid 3728), adj 1000, [ 81.344901] to free 12172kB on behalf of 'syz-executor499' (4347) because [ 81.344901] cache 20880kB is below limit 65536kB for oom_score_adj 12 [ 81.344901] Free memory is 33824kB above reserved [ 81.640775] lowmemorykiller: Killing 'syz-executor499' (3731) (tgid 3731), adj 1000, [ 81.640775] to free 12172kB on behalf of 'syz-executor499' (4379) because [ 81.640775] cache 20928kB is below limit 65536kB for oom_score_adj 12 [ 81.640775] Free memory is -13356kB above reserved [ 81.641409] lowmemorykiller: Killing 'syz-executor499' (3734) (tgid 3734), adj 1000, [ 81.641409] to free 12172kB on behalf of 'syz-executor499' (4379) because [ 81.641409] cache 20928kB is below limit 65536kB for oom_score_adj 12 [ 81.641409] Free memory is -3356kB above reserved [ 81.641414] BUG: sleeping function called from invalid context at kernel/fork.c:903 executing program executing program [ 81.641419] in_atomic(): 0, irqs_disabled(): 0, pid: 4379, name: syz-executor499 [ 81.641421] INFO: lockdep is turned off. [ 81.641437] Preemption disabled at: [ 81.641438] [<0000000044021ea6>] get_task_mm+0x20/0xc0 [ 81.641447] CPU: 1 PID: 4379 Comm: syz-executor499 Tainted: G W 4.9.181+ #9 [ 81.641461] ffff88001189f018 ffffffff81b57e21 0000000000000000 0000000000000001 [ 81.641471] ffff8800b3b08000 ffffffff810d0c40 ffff8800b3b08000 ffff88001189f050 [ 81.641490] ffffffff8140036c ffff8800b3b08000 ffffffff82a39900 0000000000000387 [ 81.641491] Call Trace: [ 81.641502] [<0000000065991ad7>] dump_stack+0xc1/0x120 [ 81.641509] [<0000000044021ea6>] ? get_task_mm+0x20/0xc0 [ 81.641518] [<00000000d3ba9f60>] ___might_sleep.cold+0x1c1/0x1fa [ 81.641529] [<00000000d31a24bd>] __might_sleep+0x95/0x1a0 [ 81.641536] [<0000000031b561c5>] mmput+0x28/0x370 [ 81.641545] [<00000000c4accde8>] handle_lmk_event+0xea/0x8a0 [ 81.641553] [<00000000bf42d9d4>] lowmem_scan+0x695/0xb50 [ 81.641562] [<00000000366459ab>] shrink_slab.part.0+0x3cf/0xa20 [ 81.641571] [<00000000aec12d3e>] ? unregister_shrinker+0x230/0x230