[....] 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[ 11.403840] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.505593] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 107.996728] lowmemorykiller: Killing 'syz-executor793' (2121) (tgid 2121), adj 1000, [ 107.996728] to free 12172kB on behalf of 'kswapd0' (33) because [ 107.996728] cache 39280kB is below limit 65536kB for oom_score_adj 12 [ 107.996728] Free memory is -6800kB above reserved [ 108.015513] lowmemorykiller: Killing 'syz-executor793' (2127) (tgid 2127), adj 1000, [ 108.015513] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.015513] cache 39180kB is below limit 65536kB for oom_score_adj 12 [ 108.015513] Free memory is -5492kB above reserved executing program [ 108.053500] lowmemorykiller: Killing 'syz-executor793' (2133) (tgid 2133), adj 1000, [ 108.053500] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.053500] cache 39080kB is below limit 65536kB for oom_score_adj 12 [ 108.053500] Free memory is 8036kB above reserved [ 108.093463] lowmemorykiller: Killing 'syz-executor793' (2142) (tgid 2142), adj 1000, executing program executing program [ 108.093463] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.093463] cache 39080kB is below limit 65536kB for oom_score_adj 12 [ 108.093463] Free memory is 13652kB above reserved executing program [ 108.171127] lowmemorykiller: Killing 'syz-executor793' (2151) (tgid 2151), adj 1000, [ 108.171127] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.171127] cache 39092kB is below limit 65536kB for oom_score_adj 12 [ 108.171127] Free memory is -6604kB above reserved [ 108.198293] lowmemorykiller: Killing 'syz-executor793' (2157) (tgid 2157), adj 1000, [ 108.198293] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.198293] cache 39092kB is below limit 65536kB for oom_score_adj 12 executing program [ 108.198293] Free memory is 2676kB above reserved executing program [ 108.262721] lowmemorykiller: Killing 'syz-executor793' (2160) (tgid 2160), adj 1000, [ 108.262721] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.262721] cache 38992kB is below limit 65536kB for oom_score_adj 12 [ 108.262721] Free memory is -6284kB above reserved executing program [ 108.308940] lowmemorykiller: Killing 'syz-executor793' (2163) (tgid 2163), adj 1000, [ 108.308940] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.308940] cache 38920kB is below limit 65536kB for oom_score_adj 12 [ 108.308940] Free memory is -4852kB above reserved executing program [ 108.356009] lowmemorykiller: Killing 'syz-executor793' (2172) (tgid 2172), adj 1000, [ 108.356009] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.356009] cache 38836kB is below limit 65536kB for oom_score_adj 12 [ 108.356009] Free memory is -5088kB above reserved executing program [ 108.406198] lowmemorykiller: Killing 'syz-executor793' (2187) (tgid 2187), adj 1000, [ 108.406198] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.406198] cache 38748kB is below limit 65536kB for oom_score_adj 12 [ 108.406198] Free memory is -6764kB above reserved [ 108.443445] lowmemorykiller: Killing 'syz-executor793' (2205) (tgid 2205), adj 1000, executing program [ 108.443445] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.443445] cache 38748kB is below limit 65536kB for oom_score_adj 12 [ 108.443445] Free memory is 2440kB above reserved [ 108.492730] lowmemorykiller: Killing 'syz-executor793' (2208) (tgid 2208), adj 1000, [ 108.492730] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 108.492730] cache 38660kB is below limit 65536kB for oom_score_adj 12 [ 108.492730] Free memory is -3504kB above reserved [ 108.519815] lowmemorykiller: Killing 'syz-executor793' (2211) (tgid 2211), adj 1000, [ 108.519815] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.519815] cache 38660kB is below limit 65536kB for oom_score_adj 12 [ 108.519815] Free memory is -7580kB above reserved executing program [ 108.563437] lowmemorykiller: Killing 'syz-executor793' (2220) (tgid 2220), adj 1000, [ 108.563437] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.563437] cache 38660kB is below limit 65536kB for oom_score_adj 12 [ 108.563437] Free memory is 12972kB above reserved [ 108.592909] lowmemorykiller: Killing 'syz-executor793' (2226) (tgid 2226), adj 1000, [ 108.592909] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.592909] cache 38460kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 108.592909] Free memory is 14904kB above reserved [ 108.633453] lowmemorykiller: Killing 'syz-executor793' (2229) (tgid 2229), adj 1000, [ 108.633453] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.633453] cache 38460kB is below limit 65536kB for oom_score_adj 12 [ 108.633453] Free memory is 25108kB above reserved executing program executing program [ 108.729567] lowmemorykiller: Killing 'syz-executor793' (2232) (tgid 2232), adj 1000, [ 108.729567] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.729567] cache 38484kB is below limit 65536kB for oom_score_adj 12 [ 108.729567] Free memory is -3916kB above reserved [ 108.759495] lowmemorykiller: Killing 'syz-executor793' (2244) (tgid 2244), adj 1000, [ 108.759495] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 108.759495] cache 38384kB is below limit 65536kB for oom_score_adj 12 [ 108.759495] Free memory is -1184kB above reserved [ 108.793549] lowmemorykiller: Killing 'syz-executor793' (2247) (tgid 2247), adj 1000, [ 108.793549] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.793549] cache 38384kB is below limit 65536kB for oom_score_adj 12 [ 108.793549] Free memory is 13452kB above reserved [ 108.833550] lowmemorykiller: Killing 'syz-executor793' (2250) (tgid 2250), adj 1000, [ 108.833550] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.833550] cache 38284kB is below limit 65536kB for oom_score_adj 12 [ 108.833550] Free memory is 7596kB above reserved executing program executing program [ 108.880629] lowmemorykiller: Killing 'syz-executor793' (2253) (tgid 2253), adj 1000, [ 108.880629] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.880629] cache 38284kB is below limit 65536kB for oom_score_adj 12 [ 108.880629] Free memory is 16904kB above reserved executing program [ 108.962771] lowmemorykiller: Killing 'syz-executor793' (2259) (tgid 2259), adj 1000, [ 108.962771] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.962771] cache 38308kB is below limit 65536kB for oom_score_adj 12 [ 108.962771] Free memory is -2320kB above reserved [ 108.991426] lowmemorykiller: Killing 'syz-executor793' (2268) (tgid 2268), adj 1000, [ 108.991426] to free 12172kB on behalf of 'kswapd0' (33) because [ 108.991426] cache 38208kB is below limit 65536kB for oom_score_adj 12 executing program [ 108.991426] Free memory is 5056kB above reserved [ 109.018847] lowmemorykiller: Killing 'syz-executor793' (2271) (tgid 2271), adj 1000, [ 109.018847] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.018847] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 109.018847] Free memory is 15632kB above reserved [ 109.046091] lowmemorykiller: Killing 'syz-executor793' (2280) (tgid 2280), adj 1000, [ 109.046091] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program [ 109.046091] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 109.046091] Free memory is 23432kB above reserved [ 109.073319] lowmemorykiller: Killing 'syz-executor793' (2295) (tgid 2295), adj 1000, [ 109.073319] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.073319] cache 38208kB is below limit 65536kB for oom_score_adj 12 [ 109.073319] Free memory is 30744kB above reserved executing program executing program executing program [ 109.204857] lowmemorykiller: Killing 'syz-executor793' (2304) (tgid 2304), adj 1000, [ 109.204857] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.204857] cache 38128kB is below limit 65536kB for oom_score_adj 12 [ 109.204857] Free memory is -4188kB above reserved [ 109.243494] lowmemorykiller: Killing 'syz-executor793' (2316) (tgid 2316), adj 1000, executing program [ 109.243494] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.243494] cache 38028kB is below limit 65536kB for oom_score_adj 12 [ 109.243494] Free memory is 4036kB above reserved [ 109.275796] lowmemorykiller: Killing 'syz-executor793' (2325) (tgid 2325), adj 1000, [ 109.275796] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.275796] cache 37928kB is below limit 65536kB for oom_score_adj 12 [ 109.275796] Free memory is 2028kB above reserved [ 109.303214] lowmemorykiller: Killing 'syz-executor793' (2334) (tgid 2334), adj 1000, [ 109.303214] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.303214] cache 37928kB is below limit 65536kB for oom_score_adj 12 [ 109.303214] Free memory is 14764kB above reserved [ 109.330797] lowmemorykiller: Killing 'syz-executor793' (2346) (tgid 2346), adj 1000, [ 109.330797] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.330797] cache 37948kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 109.330797] Free memory is 21972kB above reserved executing program executing program [ 109.430152] lowmemorykiller: Killing 'syz-executor793' (2349) (tgid 2349), adj 1000, [ 109.430152] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.430152] cache 37952kB is below limit 65536kB for oom_score_adj 12 [ 109.430152] Free memory is 112kB above reserved [ 109.464789] lowmemorykiller: Killing 'syz-executor793' (2355) (tgid 2355), adj 1000, [ 109.464789] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 109.464789] cache 37852kB is below limit 65536kB for oom_score_adj 12 [ 109.464789] Free memory is -7220kB above reserved [ 109.513580] lowmemorykiller: Killing 'syz-executor793' (2358) (tgid 2358), adj 1000, [ 109.513580] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.513580] cache 37752kB is below limit 65536kB for oom_score_adj 12 [ 109.513580] Free memory is 5928kB above reserved [ 109.562134] lowmemorykiller: Killing 'syz-executor793' (2361) (tgid 2361), adj 1000, [ 109.562134] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program executing program [ 109.562134] cache 37752kB is below limit 65536kB for oom_score_adj 12 [ 109.562134] Free memory is 5968kB above reserved [ 109.603437] lowmemorykiller: Killing 'syz-executor793' (2373) (tgid 2373), adj 1000, [ 109.603437] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.603437] cache 37768kB is below limit 65536kB for oom_score_adj 12 [ 109.603437] Free memory is 15524kB above reserved executing program [ 109.668869] lowmemorykiller: Killing 'syz-executor793' (2376) (tgid 2376), adj 1000, [ 109.668869] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.668869] cache 37772kB is below limit 65536kB for oom_score_adj 12 [ 109.668869] Free memory is 1072kB above reserved [ 109.713899] lowmemorykiller: Killing 'syz-executor793' (2391) (tgid 2391), adj 1000, [ 109.713899] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.713899] cache 37672kB is below limit 65536kB for oom_score_adj 12 [ 109.713899] Free memory is -6376kB above reserved [ 109.755051] lowmemorykiller: Killing 'syz-executor793' (2394) (tgid 2394), adj 1000, [ 109.755051] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program [ 109.755051] cache 37572kB is below limit 65536kB for oom_score_adj 12 [ 109.755051] Free memory is 6668kB above reserved [ 109.793466] lowmemorykiller: Killing 'syz-executor793' (2400) (tgid 2400), adj 1000, [ 109.793466] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.793466] cache 37596kB is below limit 65536kB for oom_score_adj 12 [ 109.793466] Free memory is 15708kB above reserved executing program executing program [ 109.871878] lowmemorykiller: Killing 'syz-executor793' (2409) (tgid 2409), adj 1000, [ 109.871878] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.871878] cache 37608kB is below limit 65536kB for oom_score_adj 12 [ 109.871878] Free memory is -3712kB above reserved executing program [ 109.915008] lowmemorykiller: Killing 'syz-executor793' (2418) (tgid 2418), adj 1000, [ 109.915008] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.915008] cache 37536kB is below limit 65536kB for oom_score_adj 12 [ 109.915008] Free memory is -800kB above reserved [ 109.953829] lowmemorykiller: Killing 'syz-executor793' (2421) (tgid 2421), adj 1000, [ 109.953829] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 109.953829] cache 37436kB is below limit 65536kB for oom_score_adj 12 [ 109.953829] Free memory is -6768kB above reserved [ 109.995871] lowmemorykiller: Killing 'syz-executor793' (2433) (tgid 2433), adj 1000, [ 109.995871] to free 12172kB on behalf of 'kswapd0' (33) because [ 109.995871] cache 37336kB is below limit 65536kB for oom_score_adj 12 [ 109.995871] Free memory is 8452kB above reserved executing program executing program [ 110.033479] lowmemorykiller: Killing 'syz-executor793' (2460) (tgid 2460), adj 1000, [ 110.033479] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.033479] cache 37336kB is below limit 65536kB for oom_score_adj 12 [ 110.033479] Free memory is 15464kB above reserved executing program [ 110.106089] lowmemorykiller: Killing 'syz-executor793' (2481) (tgid 2481), adj 1000, [ 110.106089] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.106089] cache 37372kB is below limit 65536kB for oom_score_adj 12 [ 110.106089] Free memory is -552kB above reserved executing program [ 110.158531] lowmemorykiller: Killing 'syz-executor793' (2493) (tgid 2493), adj 1000, [ 110.158531] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.158531] cache 37296kB is below limit 65536kB for oom_score_adj 12 [ 110.158531] Free memory is -3748kB above reserved [ 110.193667] lowmemorykiller: Killing 'syz-executor793' (2505) (tgid 2505), adj 1000, [ 110.193667] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 110.193667] cache 37196kB is below limit 65536kB for oom_score_adj 12 [ 110.193667] Free memory is 3996kB above reserved [ 110.230229] lowmemorykiller: Killing 'syz-executor793' (2508) (tgid 2508), adj 1000, [ 110.230229] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.230229] cache 37196kB is below limit 65536kB for oom_score_adj 12 [ 110.230229] Free memory is 2948kB above reserved executing program executing program [ 110.259088] lowmemorykiller: Killing 'syz-executor793' (2526) (tgid 2526), adj 1000, [ 110.259088] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.259088] cache 37196kB is below limit 65536kB for oom_score_adj 12 [ 110.259088] Free memory is 14376kB above reserved [ 110.341944] lowmemorykiller: Killing 'syz-executor793' (2529) (tgid 2529), adj 1000, [ 110.341944] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.341944] cache 37136kB is below limit 65536kB for oom_score_adj 12 [ 110.341944] Free memory is -3228kB above reserved [ 110.369128] lowmemorykiller: Killing 'syz-executor793' (2535) (tgid 2535), adj 1000, [ 110.369128] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.369128] cache 37136kB is below limit 65536kB for oom_score_adj 12 executing program [ 110.369128] Free memory is 4084kB above reserved [ 110.396209] lowmemorykiller: Killing 'syz-executor793' (2541) (tgid 2541), adj 1000, [ 110.396209] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.396209] cache 37136kB is below limit 65536kB for oom_score_adj 12 [ 110.396209] Free memory is 15468kB above reserved [ 110.423273] lowmemorykiller: Killing 'syz-executor793' (2547) (tgid 2547), adj 1000, [ 110.423273] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program [ 110.423273] cache 37136kB is below limit 65536kB for oom_score_adj 12 [ 110.423273] Free memory is 23268kB above reserved executing program executing program [ 110.528909] lowmemorykiller: Killing 'syz-executor793' (2577) (tgid 2577), adj 1000, [ 110.528909] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.528909] cache 37116kB is below limit 65536kB for oom_score_adj 12 [ 110.528909] Free memory is -1484kB above reserved executing program [ 110.577513] lowmemorykiller: Killing 'syz-executor793' (2583) (tgid 2583), adj 1000, [ 110.577513] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.577513] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.577513] Free memory is -1472kB above reserved [ 110.613625] lowmemorykiller: Killing 'syz-executor793' (2619) (tgid 2619), adj 1000, [ 110.613625] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 110.613625] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.613625] Free memory is -6512kB above reserved executing program [ 110.672628] lowmemorykiller: Killing 'syz-executor793' (2661) (tgid 2661), adj 1000, [ 110.672628] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.672628] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.672628] Free memory is -104kB above reserved [ 110.707274] lowmemorykiller: Killing 'syz-executor793' (2679) (tgid 2679), adj 1000, [ 110.707274] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 110.707274] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.707274] Free memory is -4212kB above reserved executing program [ 110.764093] lowmemorykiller: Killing 'syz-executor793' (2691) (tgid 2691), adj 1000, [ 110.764093] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.764093] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.764093] Free memory is 6348kB above reserved executing program [ 110.813478] lowmemorykiller: Killing 'syz-executor793' (2700) (tgid 2700), adj 1000, [ 110.813478] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.813478] cache 37120kB is below limit 65536kB for oom_score_adj 12 [ 110.813478] Free memory is 6444kB above reserved executing program [ 110.859984] lowmemorykiller: Killing 'syz-executor793' (2703) (tgid 2703), adj 1000, [ 110.859984] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.859984] cache 37128kB is below limit 65536kB for oom_score_adj 12 [ 110.859984] Free memory is -408kB above reserved [ 110.894737] lowmemorykiller: Killing 'syz-executor793' (2709) (tgid 2709), adj 1000, [ 110.894737] to free 12172kB on behalf of 'kswapd0' (33) because executing program [ 110.894737] cache 37128kB is below limit 65536kB for oom_score_adj 12 [ 110.894737] Free memory is -4500kB above reserved executing program [ 110.955637] lowmemorykiller: Killing 'syz-executor793' (2724) (tgid 2724), adj 1000, [ 110.955637] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.955637] cache 37096kB is below limit 65536kB for oom_score_adj 12 [ 110.955637] Free memory is -2096kB above reserved [ 110.993538] lowmemorykiller: Killing 'syz-executor793' (2739) (tgid 2739), adj 1000, executing program [ 110.993538] to free 12172kB on behalf of 'kswapd0' (33) because [ 110.993538] cache 37096kB is below limit 65536kB for oom_score_adj 12 [ 110.993538] Free memory is 2536kB above reserved [ 111.043478] lowmemorykiller: Killing 'syz-executor793' (2751) (tgid 2751), adj 1000, executing program executing program [ 111.043478] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.043478] cache 37096kB is below limit 65536kB for oom_score_adj 12 [ 111.043478] Free memory is 5184kB above reserved [ 111.076889] lowmemorykiller: Killing 'syz-executor793' (2763) (tgid 2763), adj 1000, [ 111.076889] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.076889] cache 37096kB is below limit 65536kB for oom_score_adj 12 [ 111.076889] Free memory is 5428kB above reserved [ 111.142836] lowmemorykiller: Killing 'syz-executor793' (2769) (tgid 2769), adj 1000, [ 111.142836] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.142836] cache 37104kB is below limit 65536kB for oom_score_adj 12 [ 111.142836] Free memory is -344kB above reserved [ 111.177478] lowmemorykiller: Killing 'syz-executor793' (2790) (tgid 2790), adj 1000, [ 111.177478] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program [ 111.177478] cache 37104kB is below limit 65536kB for oom_score_adj 12 [ 111.177478] Free memory is 6048kB above reserved [ 111.204313] lowmemorykiller: Killing 'syz-executor793' (2796) (tgid 2796), adj 1000, [ 111.204313] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.204313] cache 37104kB is below limit 65536kB for oom_score_adj 12 [ 111.204313] Free memory is 16012kB above reserved executing program executing program [ 111.293900] lowmemorykiller: Killing 'syz-executor793' (2799) (tgid 2799), adj 1000, [ 111.293900] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.293900] cache 37072kB is below limit 65536kB for oom_score_adj 12 [ 111.293900] Free memory is -604kB above reserved [ 111.329007] lowmemorykiller: Killing 'syz-executor793' (2805) (tgid 2805), adj 1000, [ 111.329007] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.329007] cache 37072kB is below limit 65536kB for oom_score_adj 12 [ 111.329007] Free memory is -3948kB above reserved [ 111.373821] lowmemorykiller: Killing 'syz-executor793' (2835) (tgid 2835), adj 1000, [ 111.373821] to free 12172kB on behalf of 'kswapd0' (33) because executing program executing program executing program [ 111.373821] cache 37072kB is below limit 65536kB for oom_score_adj 12 [ 111.373821] Free memory is 6480kB above reserved [ 111.413472] lowmemorykiller: Killing 'syz-executor793' (2838) (tgid 2838), adj 1000, [ 111.413472] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.413472] cache 37072kB is below limit 65536kB for oom_score_adj 12 [ 111.413472] Free memory is 15664kB above reserved executing program [ 111.484345] lowmemorykiller: Killing 'syz-executor793' (2856) (tgid 2856), adj 1000, [ 111.484345] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.484345] cache 37076kB is below limit 65536kB for oom_score_adj 12 [ 111.484345] Free memory is -868kB above reserved executing program [ 111.530794] lowmemorykiller: Killing 'syz-executor793' (2859) (tgid 2859), adj 1000, [ 111.530794] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.530794] cache 37076kB is below limit 65536kB for oom_score_adj 12 [ 111.530794] Free memory is -700kB above reserved executing program [ 111.584087] lowmemorykiller: Killing 'syz-executor793' (2877) (tgid 2877), adj 1000, [ 111.584087] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.584087] cache 37024kB is below limit 65536kB for oom_score_adj 12 [ 111.584087] Free memory is -3124kB above reserved [ 111.623905] lowmemorykiller: Killing 'syz-executor793' (2895) (tgid 2895), adj 1000, executing program [ 111.623905] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.623905] cache 36924kB is below limit 65536kB for oom_score_adj 12 [ 111.623905] Free memory is 4588kB above reserved [ 111.660008] lowmemorykiller: Killing 'syz-executor793' (2901) (tgid 2901), adj 1000, [ 111.660008] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.660008] cache 36924kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 111.660008] Free memory is 4768kB above reserved [ 111.687621] lowmemorykiller: Killing 'syz-executor793' (2913) (tgid 2913), adj 1000, [ 111.687621] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.687621] cache 36924kB is below limit 65536kB for oom_score_adj 12 [ 111.687621] Free memory is 11956kB above reserved INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes executing program INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes [ 111.799418] lowmemorykiller: Killing 'syz-executor793' (2925) (tgid 2925), adj 1000, [ 111.799418] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.799418] cache 36868kB is below limit 65536kB for oom_score_adj 12 [ 111.799418] Free memory is -6680kB above reserved [ 111.829988] lowmemorykiller: Killing 'syz-executor793' (2928) (tgid 2928), adj 1000, [ 111.829988] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.829988] cache 36768kB is below limit 65536kB for oom_score_adj 12 [ 111.829988] Free memory is 1236kB above reserved [ 111.858869] lowmemorykiller: Killing 'syz-executor793' (2940) (tgid 2940), adj 1000, executing program [ 111.858869] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.858869] cache 36768kB is below limit 65536kB for oom_score_adj 12 [ 111.858869] Free memory is 7656kB above reserved [ 111.887484] lowmemorykiller: Killing 'syz-executor793' (2943) (tgid 2943), adj 1000, [ 111.887484] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.887484] cache 36768kB is below limit 65536kB for oom_score_adj 12 [ 111.887484] Free memory is 14276kB above reserved executing program [ 111.921042] lowmemorykiller: Killing 'syz-executor793' (2946) (tgid 2946), adj 1000, [ 111.921042] to free 12172kB on behalf of 'kswapd0' (33) because [ 111.921042] cache 36668kB is below limit 65536kB for oom_score_adj 12 [ 111.921042] Free memory is 25372kB above reserved executing program executing program executing program [ 112.039780] lowmemorykiller: Killing 'syz-executor793' (2949) (tgid 2949), adj 1000, [ 112.039780] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.039780] cache 36720kB is below limit 65536kB for oom_score_adj 12 [ 112.039780] Free memory is -6664kB above reserved [ 112.066802] lowmemorykiller: Killing 'syz-executor793' (2955) (tgid 2955), adj 1000, [ 112.066802] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.066802] cache 36720kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 112.066802] Free memory is 2792kB above reserved executing program [ 112.135511] lowmemorykiller: Killing 'syz-executor793' (2961) (tgid 2961), adj 1000, [ 112.135511] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.135511] cache 36644kB is below limit 65536kB for oom_score_adj 12 [ 112.135511] Free memory is -6744kB above reserved executing program [ 112.184219] lowmemorykiller: Killing 'syz-executor793' (2967) (tgid 2967), adj 1000, [ 112.184219] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.184219] cache 36568kB is below limit 65536kB for oom_score_adj 12 [ 112.184219] Free memory is -6716kB above reserved [ 112.231905] lowmemorykiller: Killing 'syz-executor793' (2970) (tgid 2970), adj 1000, [ 112.231905] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.231905] cache 36496kB is below limit 65536kB for oom_score_adj 12 [ 112.231905] Free memory is -7136kB above reserved [ 112.258893] lowmemorykiller: Killing 'syz-executor793' (2976) (tgid 2976), adj 1000, [ 112.258893] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.258893] cache 36496kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 112.258893] Free memory is -140kB above reserved executing program [ 112.324799] lowmemorykiller: Killing 'syz-executor793' (2979) (tgid 2979), adj 1000, [ 112.324799] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.324799] cache 36428kB is below limit 65536kB for oom_score_adj 12 [ 112.324799] Free memory is -7544kB above reserved executing program [ 112.376070] lowmemorykiller: Killing 'syz-executor793' (2982) (tgid 2982), adj 1000, [ 112.376070] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.376070] cache 36428kB is below limit 65536kB for oom_score_adj 12 [ 112.376070] Free memory is -6724kB above reserved executing program [ 112.424104] lowmemorykiller: Killing 'syz-executor793' (2985) (tgid 2985), adj 1000, [ 112.424104] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.424104] cache 36528kB is below limit 65536kB for oom_score_adj 12 [ 112.424104] Free memory is -7208kB above reserved [ 112.450977] lowmemorykiller: Killing 'syz-executor793' (2994) (tgid 2994), adj 1000, [ 112.450977] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.450977] cache 36428kB is below limit 65536kB for oom_score_adj 12 [ 112.450977] Free memory is 28kB above reserved executing program executing program [ 112.519206] lowmemorykiller: Killing 'syz-executor793' (3000) (tgid 3000), adj 1000, [ 112.519206] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.519206] cache 36328kB is below limit 65536kB for oom_score_adj 12 [ 112.519206] Free memory is -7252kB above reserved executing program [ 112.566114] lowmemorykiller: Killing 'syz-executor793' (3003) (tgid 3003), adj 1000, [ 112.566114] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.566114] cache 36328kB is below limit 65536kB for oom_score_adj 12 [ 112.566114] Free memory is -7152kB above reserved [ 112.613533] lowmemorykiller: Killing 'syz-executor793' (3006) (tgid 3006), adj 1000, [ 112.613533] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.613533] cache 36228kB is below limit 65536kB for oom_score_adj 12 [ 112.613533] Free memory is -7184kB above reserved [ 112.640990] lowmemorykiller: Killing 'syz-executor793' (3009) (tgid 3009), adj 1000, [ 112.640990] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.640990] cache 36128kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 112.640990] Free memory is 1088kB above reserved executing program [ 112.710016] lowmemorykiller: Killing 'syz-executor793' (3015) (tgid 3015), adj 1000, [ 112.710016] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.710016] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 112.710016] Free memory is -7096kB above reserved executing program [ 112.758669] lowmemorykiller: Killing 'syz-executor793' (3033) (tgid 3033), adj 1000, [ 112.758669] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.758669] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 112.758669] Free memory is -6716kB above reserved [ 112.806839] lowmemorykiller: Killing 'syz-executor793' (3039) (tgid 3039), adj 1000, [ 112.806839] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.806839] cache 36228kB is below limit 65536kB for oom_score_adj 12 [ 112.806839] Free memory is -6656kB above reserved [ 112.833859] lowmemorykiller: Killing 'syz-executor793' (3048) (tgid 3048), adj 1000, [ 112.833859] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.833859] cache 36128kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 112.833859] Free memory is 776kB above reserved executing program [ 112.903233] lowmemorykiller: Killing 'syz-executor793' (3051) (tgid 3051), adj 1000, [ 112.903233] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.903233] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 112.903233] Free memory is -7568kB above reserved [ 112.948624] lowmemorykiller: Killing 'syz-executor793' (3063) (tgid 3063), adj 1000, [ 112.948624] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.948624] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 112.948624] Free memory is -7396kB above reserved [ 112.975516] lowmemorykiller: Killing 'syz-executor793' (3066) (tgid 3066), adj 1000, [ 112.975516] to free 12172kB on behalf of 'kswapd0' (33) because [ 112.975516] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 112.975516] Free memory is 3176kB above reserved executing program executing program [ 113.002482] lowmemorykiller: Killing 'syz-executor793' (3069) (tgid 3069), adj 1000, [ 113.002482] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.002482] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.002482] Free memory is 9892kB above reserved executing program executing program [ 113.094620] lowmemorykiller: Killing 'syz-executor793' (3090) (tgid 3090), adj 1000, [ 113.094620] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.094620] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.094620] Free memory is -6888kB above reserved [ 113.140238] lowmemorykiller: Killing 'syz-executor793' (3093) (tgid 3093), adj 1000, [ 113.140238] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.140238] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.140238] Free memory is -7232kB above reserved [ 113.174008] lowmemorykiller: Killing 'syz-executor793' (3099) (tgid 3099), adj 1000, [ 113.174008] to free 12172kB on behalf of 'syz-executor793' (4040) because [ 113.174008] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.174008] Free memory is -12884kB above reserved [ 113.195286] lowmemorykiller: Killing 'syz-executor793' (3105) (tgid 3105), adj 1000, [ 113.195286] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.195286] cache 36228kB is below limit 65536kB for oom_score_adj 12 [ 113.195286] Free memory is -13384kB above reserved [ 113.200429] lowmemorykiller: Killing 'syz-executor793' (3108) (tgid 3108), adj 1000, [ 113.200429] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.200429] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.200429] Free memory is -1792kB above reserved [ 113.255113] lowmemorykiller: Killing 'syz-executor793' (3111) (tgid 3111), adj 1000, [ 113.255113] to free 12172kB on behalf of 'syz-executor793' (4040) because [ 113.255113] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.255113] Free memory is 33108kB above reserved [ 113.283174] lowmemorykiller: Killing 'syz-executor793' (3114) (tgid 3114), adj 1000, executing program executing program [ 113.283174] to free 12172kB on behalf of 'syz-executor793' (4040) because [ 113.283174] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.283174] Free memory is 44808kB above reserved [ 113.311197] lowmemorykiller: Killing 'syz-executor793' (3117) (tgid 3117), adj 1000, [ 113.311197] to free 12172kB on behalf of 'syz-executor793' (4040) because [ 113.311197] cache 36128kB is below limit 65536kB for oom_score_adj 12 [ 113.311197] Free memory is 56184kB above reserved executing program executing program executing program executing program executing program executing program [ 113.506227] lowmemorykiller: Killing 'syz-executor793' (3120) (tgid 3120), adj 1000, [ 113.506227] to free 12172kB on behalf of 'kswapd0' (33) because [ 113.506227] cache 35968kB is below limit 65536kB for oom_score_adj 12 [ 113.506227] Free memory is -10408kB above reserved executing program [ 113.536933] lowmemorykiller: Killing 'syz-executor793' (3138) (tgid 3138), adj 1000, [ 113.536933] to free 12172kB on behalf of 'syz-executor793' (4061) because [ 113.536933] cache 35768kB is below limit 65536kB for oom_score_adj 12 [ 113.536933] Free memory is -13332kB above reserved [ 113.536939] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 113.536944] in_atomic(): 0, irqs_disabled(): 0, pid: 4061, name: syz-executor793 executing program executing program [ 113.536948] 3 locks held by syz-executor793/4061: [ 113.536971] #0: (&mm->mmap_sem){++++++}, at: [<000000001e3bce1f>] __mm_populate+0x20c/0x300 [ 113.536987] #1: (shrinker_rwsem){++++..}, at: [<000000002c7b2a51>] shrink_slab.part.0+0xb2/0xa20 [ 113.537001] #2: (rcu_read_lock){......}, at: [<0000000036cd7b38>] lowmem_scan+0x242/0xb50 [ 113.537011] Preemption disabled at: [ 113.537011] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 113.537021] CPU: 0 PID: 4061 Comm: syz-executor793 Not tainted 4.9.180+ #3 executing program executing program [ 113.537035] ffff8800998ff018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 113.537044] ffff88000a5bc740 ffffffff810d0c30 ffff88000a5bc740 ffff8800998ff050 [ 113.537053] ffffffff8140008c ffff88000a5bc740 ffffffff82a39900 0000000000000387 [ 113.537054] Call Trace: [ 113.537064] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 113.537070] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 113.537078] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 113.537086] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 executing program [ 113.537093] [<000000006f5d4197>] mmput+0x28/0x370 [ 113.537099] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 113.537106] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 113.537113] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 [ 113.537119] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 113.537126] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 113.537134] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 executing program [ 113.537142] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 113.537148] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 113.537154] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 113.537163] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 113.537170] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 113.537178] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 113.537186] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 executing program executing program [ 113.537199] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 113.537205] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 113.537211] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 113.537218] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 113.537226] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 113.537234] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 113.537241] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 executing program [ 113.537248] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 113.537256] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 113.537263] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 113.537269] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 113.537276] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 [ 113.537282] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 113.537289] [<00000000eb3461d9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 113.537296] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 [ 113.537302] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 113.537308] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 113.537314] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 113.537320] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 113.537328] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 113.537334] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 113.537341] [<00000000f6f1cb0e>] ? memset+0x32/0x40 [ 113.537348] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 [ 113.537355] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 executing program executing program [ 113.537362] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 113.537367] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 113.537373] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 113.537380] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 113.537389] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 113.537396] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 [ 113.537405] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 113.537412] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 executing program executing program [ 113.537419] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 113.537425] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 113.537435] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 113.538801] lowmemorykiller: Killing 'syz-executor793' (3141) (tgid 3141), adj 1000, [ 113.538801] to free 12172kB on behalf of 'kworker/u4:1' (64) because [ 113.538801] cache 35668kB is below limit 65536kB for oom_score_adj 12 [ 113.538801] Free memory is -13456kB above reserved [ 113.538853] [ 113.538855] ====================================================== executing program [ 113.538857] [ INFO: possible circular locking dependency detected ] [ 113.538862] 4.9.180+ #3 Tainted: G W [ 113.538864] ------------------------------------------------------- [ 113.538867] kworker/u4:1/64 is trying to acquire lock: [ 113.538881] (&mm->mmap_sem){++++++}, at: [<00000000470b338e>] get_cmdline+0xa3/0x2d0 [ 113.538882] but task is already holding lock: executing program executing program [ 113.538894] (lmk_event_lock){+.+.-.}, at: [<000000007ff47884>] handle_lmk_event+0xfb/0x8a0 [ 113.538896] which lock already depends on the new lock. [ 113.538896] [ 113.538898] [ 113.538898] the existing dependency chain (in reverse order) is: [ 113.538906] [ 113.538906] -> #1 (lmk_event_lock){+.+.-.}: [ 113.538913] lock_acquire+0x133/0x3d0 [ 113.538919] _raw_spin_lock+0x38/0x50 [ 113.538925] handle_lmk_event+0xfb/0x8a0 [ 113.538931] lowmem_scan+0x695/0xb50 [ 113.538937] shrink_slab.part.0+0x3cf/0xa20 [ 113.538944] shrink_node+0x1ed/0x750 [ 113.538950] try_to_free_pages+0x397/0xbd0 [ 113.538957] __alloc_pages_nodemask+0x930/0x1a80 [ 113.538964] shmem_getpage_gfp+0x3f3/0x1b00 [ 113.538971] shmem_fault+0x216/0x6b0 [ 113.538977] __do_fault+0x2a8/0x6c0 [ 113.538983] handle_mm_fault+0x11bc/0x2420 executing program [ 113.538989] __get_user_pages+0x3c7/0x1060 [ 113.538995] populate_vma_page_range+0x19a/0x230 [ 113.539000] __mm_populate+0x1b9/0x300 [ 113.539006] vm_mmap_pgoff+0x1aa/0x1c0 [ 113.539012] SyS_mmap_pgoff+0x14d/0x1b0 [ 113.539018] SyS_mmap+0x16/0x20 [ 113.539023] do_syscall_64+0x1ad/0x5c0 [ 113.539029] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 113.539037] [ 113.539037] -> #0 (&mm->mmap_sem){++++++}: executing program executing program [ 113.539043] __lock_acquire+0x2d10/0x4350 [ 113.539049] lock_acquire+0x133/0x3d0 [ 113.539055] down_read+0x44/0xb0 [ 113.539061] get_cmdline+0xa3/0x2d0 [ 113.539067] handle_lmk_event+0x13c/0x8a0 [ 113.539072] lowmem_scan+0x695/0xb50 [ 113.539079] shrink_slab.part.0+0x3cf/0xa20 [ 113.539085] shrink_node+0x1ed/0x750 [ 113.539092] try_to_free_pages+0x397/0xbd0 [ 113.539099] __alloc_pages_nodemask+0x930/0x1a80 [ 113.539106] new_slab+0xa2/0x3e0 executing program [ 113.539112] ___slab_alloc.constprop.0+0x361/0x470 [ 113.539118] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 113.539123] kmem_cache_alloc+0x212/0x2b0 [ 113.539130] mempool_alloc_slab+0x47/0x60 [ 113.539136] mempool_alloc+0x149/0x360 [ 113.539143] bio_alloc_bioset+0x3fb/0x7d0 [ 113.539150] ext4_bio_write_page+0x5a6/0xb60 [ 113.539156] mpage_submit_page+0x138/0x240 [ 113.539162] mpage_process_page_bufs+0x3b7/0x4a0 [ 113.539168] mpage_prepare_extent_to_map+0x449/0x9a0 executing program executing program [ 113.539183] ext4_writepages+0xf2e/0x2de0 [ 113.539188] do_writepages+0xfc/0x1e0 [ 113.539196] __writeback_single_inode+0xd9/0x1040 [ 113.539202] writeback_sb_inodes+0x50f/0xea0 [ 113.539207] __writeback_inodes_wb+0xc3/0x210 [ 113.539213] wb_writeback+0x637/0xbd0 [ 113.539219] wb_workfn+0x1c4/0xe70 [ 113.539225] process_one_work+0x88b/0x1600 [ 113.539230] worker_thread+0x5df/0x11d0 [ 113.539237] kthread+0x278/0x310 [ 113.539242] ret_from_fork+0x5c/0x70 [ 113.539244] executing program [ 113.539244] other info that might help us debug this: [ 113.539244] [ 113.539247] Possible unsafe locking scenario: [ 113.539247] [ 113.539249] CPU0 CPU1 [ 113.539250] ---- ---- [ 113.539255] lock(lmk_event_lock); [ 113.539259] lock(&mm->mmap_sem); [ 113.539264] lock(lmk_event_lock); [ 113.539268] lock(&mm->mmap_sem); [ 113.539270] [ 113.539270] *** DEADLOCK *** [ 113.539270] [ 113.539274] 7 locks held by kworker/u4:1/64: [ 113.539287] #0: ("writeback"){.+.+.+}, at: [<00000000dd1692de>] process_one_work+0x790/0x1600 [ 113.539300] #1: ((&(&wb->dwork)->work)){+.+.+.}, at: [<000000000b053591>] process_one_work+0x7ce/0x1600 [ 113.539315] #2: (&type->s_umount_key#32){++++.+}, at: [<00000000750b46aa>] trylock_super+0x20/0xf0 [ 113.539328] #3: (&sbi->s_journal_flag_rwsem){.+.+.+}, at: [<00000000cf868d9c>] do_writepages+0xfc/0x1e0 executing program executing program [ 113.539342] #4: (shrinker_rwsem){++++..}, at: [<000000002c7b2a51>] shrink_slab.part.0+0xb2/0xa20 [ 113.539355] #5: (rcu_read_lock){......}, at: [<0000000036cd7b38>] lowmem_scan+0x242/0xb50 [ 113.539368] #6: (lmk_event_lock){+.+.-.}, at: [<000000007ff47884>] handle_lmk_event+0xfb/0x8a0 [ 113.539370] [ 113.539370] stack backtrace: [ 113.539377] CPU: 1 PID: 64 Comm: kworker/u4:1 Tainted: G W 4.9.180+ #3 [ 113.539389] Workqueue: writeback wb_workfn (flush-8:0) [ 113.539401] ffff8801d7936428 ffffffff81b577f1 ffffffff83cad760 ffffffff83ccb4f0 executing program executing program [ 113.539411] ffffffff83cad760 ffffffff8424eec0 ffff8801d7812f80 ffff8801d7936480 [ 113.539422] ffffffff8140513c 0000000000000007 ffff8801d7936570 ffff8801d7813948 [ 113.539424] Call Trace: [ 113.539432] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 113.539441] [<0000000012a0016a>] print_circular_bug.cold+0x2f6/0x454 [ 113.539449] [<00000000bc713c5a>] __lock_acquire+0x2d10/0x4350 [ 113.539457] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 113.539465] [<00000000eb3461d9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 113.539473] [<00000000bf14216a>] lock_acquire+0x133/0x3d0 executing program [ 113.539480] [<00000000470b338e>] ? get_cmdline+0xa3/0x2d0 [ 113.539488] [<00000000a89d7cf3>] down_read+0x44/0xb0 [ 113.539495] [<00000000470b338e>] ? get_cmdline+0xa3/0x2d0 [ 113.539502] [<00000000470b338e>] get_cmdline+0xa3/0x2d0 [ 113.539510] [<000000003fa5584d>] handle_lmk_event+0x13c/0x8a0 [ 113.539517] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 113.539526] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 executing program [ 113.539535] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 113.539543] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 113.539553] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 113.539561] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 113.539570] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 113.539578] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 113.539587] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 executing program [ 113.539595] [<000000004afa1921>] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 113.539603] [<00000000e4c1ac9d>] ? kasan_kmalloc+0xb7/0xd0 [ 113.539609] [<000000000c4ad690>] ? kmem_cache_alloc+0xd5/0x2b0 [ 113.539618] [<00000000d55e042e>] ? alloc_request_struct+0x1d/0x30 [ 113.539625] [<00000000026f3879>] ? mempool_alloc+0x149/0x360 [ 113.539633] [<00000000f506d49b>] ? ext4_io_submit+0x132/0x1b0 [ 113.539640] [<0000000015eaaf9d>] ? ext4_writepages+0x10d0/0x2de0 [ 113.539646] [<00000000cf868d9c>] ? do_writepages+0xfc/0x1e0 executing program [ 113.539655] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 113.539662] [<000000007c53049e>] ? wb_workfn+0x1c4/0xe70 [ 113.539669] [<00000000f3d206be>] ? process_one_work+0x88b/0x1600 [ 113.539676] [<00000000980b42c8>] ? __lock_acquire+0x5e5/0x4350 [ 113.539683] [<00000000b5c0c0aa>] ? kasan_slab_alloc+0xf/0x20 [ 113.539691] [<0000000092f34c3b>] ? mark_held_locks+0xb1/0x100 [ 113.539699] [<0000000092dd810e>] ? new_slab+0x2d8/0x3e0 [ 113.539707] [<000000006a388b1b>] new_slab+0xa2/0x3e0 executing program [ 113.539715] [<00000000ccf28ad5>] ___slab_alloc.constprop.0+0x361/0x470 [ 113.539723] [<00000000162c6d4a>] ? mempool_alloc_slab+0x47/0x60 [ 113.539732] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 [ 113.539740] [<00000000162c6d4a>] ? mempool_alloc_slab+0x47/0x60 [ 113.539747] [<0000000017c74551>] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 113.539755] [<00000000162c6d4a>] ? mempool_alloc_slab+0x47/0x60 [ 113.539762] [<00000000643a3a18>] kmem_cache_alloc+0x212/0x2b0 [ 113.539770] [<00000000542e597d>] ? mempool_free+0x1d0/0x1d0 [ 113.539778] [<00000000162c6d4a>] mempool_alloc_slab+0x47/0x60 [ 113.539786] [<00000000026f3879>] mempool_alloc+0x149/0x360 [ 113.539794] [<00000000da794d74>] ? remove_element.isra.0+0x1b0/0x1b0 [ 113.539802] [<00000000eb3461d9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 113.539810] [<00000000a90f361a>] bio_alloc_bioset+0x3fb/0x7d0 [ 113.539817] [<00000000e1aa1976>] ? bvec_alloc+0x2e0/0x2e0 [ 113.539825] [<0000000031f1c94d>] ? __test_set_page_writeback+0x2e7/0x6a0 [ 113.539833] [<000000000c22ff71>] ext4_bio_write_page+0x5a6/0xb60 executing program executing program [ 113.539840] [<0000000081864c4e>] mpage_submit_page+0x138/0x240 [ 113.539848] [<000000001b1a2c33>] mpage_process_page_bufs+0x3b7/0x4a0 [ 113.539856] [<00000000c466caa5>] mpage_prepare_extent_to_map+0x449/0x9a0 [ 113.539865] [<000000002df8c056>] ? mpage_process_page_bufs+0x4a0/0x4a0 [ 113.539873] [<000000005fe8f5e6>] ext4_writepages+0xf2e/0x2de0 [ 113.539880] [<00000000cf868d9c>] ? do_writepages+0xfc/0x1e0 [ 113.539889] [<0000000088567007>] ? ext4_mark_inode_dirty+0xb30/0xb30 executing program [ 113.539897] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 113.539905] [<0000000088567007>] ? ext4_mark_inode_dirty+0xb30/0xb30 [ 113.539912] [<00000000cf868d9c>] do_writepages+0xfc/0x1e0 [ 113.539920] [<00000000b78ba2b1>] ? page_writeback_cpu_online+0x20/0x20 [ 113.539927] [<00000000d942e7a9>] ? ext4_write_inode+0x1b5/0x3d0 [ 113.539936] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 [ 113.539945] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 [ 113.539953] [<00000000980916d2>] __writeback_single_inode+0xd9/0x1040 executing program executing program [ 113.539960] [<000000009513bfc7>] ? writeback_sb_inodes+0x3f0/0xea0 [ 113.539968] [<000000008889bc90>] writeback_sb_inodes+0x50f/0xea0 [ 113.539976] [<00000000f71833d8>] ? __writeback_single_inode+0x1040/0x1040 [ 113.539985] [<000000008bd15152>] ? down_read_trylock+0x6a/0xd0 [ 113.539993] [<00000000750b46aa>] ? trylock_super+0x20/0xf0 [ 113.540001] [<000000002b21c1ba>] __writeback_inodes_wb+0xc3/0x210 [ 113.540008] [<000000009ac2442f>] wb_writeback+0x637/0xbd0 [ 113.540016] [<000000002d984be8>] ? __writeback_inodes_wb+0x210/0x210 executing program [ 113.540023] [<0000000092f34c3b>] ? mark_held_locks+0xb1/0x100 [ 113.540031] [<000000007c53049e>] wb_workfn+0x1c4/0xe70 [ 113.540039] [<000000008ff37114>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 113.540047] [<00000000b51eb19e>] ? inode_wait_for_writeback+0x40/0x40 [ 113.540055] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 [ 113.540064] [<000000003602ba35>] ? check_preemption_disabled+0x3c/0x200 executing program [ 113.540072] [<00000000f3d206be>] process_one_work+0x88b/0x1600 [ 113.540079] [<000000000b053591>] ? process_one_work+0x7ce/0x1600 [ 113.540086] [<0000000038bcaaf2>] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 113.540094] [<0000000067b38425>] ? _raw_spin_unlock_irq+0x28/0x60 [ 113.540101] [<00000000e4819c22>] worker_thread+0x5df/0x11d0 [ 113.540109] [<00000000931888a0>] ? process_one_work+0x1600/0x1600 [ 113.540117] [<0000000074338835>] kthread+0x278/0x310 [ 113.540124] [<00000000644fa257>] ? kthread_park+0xa0/0xa0 [ 113.540132] [<00000000eb3461d9>] ? debug_lockdep_rcu_enabled+0x71/0xa0 executing program [ 113.540141] [<00000000eae05cb9>] ? _raw_spin_unlock_irq+0x39/0x60 [ 113.540149] [<000000004e85c2f1>] ? finish_task_switch+0x1e5/0x660 executing program executing program [ 113.540157] [<00000000c98f8441>] ? finish_task_switch+0x1b7/0x660 [ 113.540164] [<0000000061595266>] ? __switch_to_asm+0x41/0x70 [ 113.540178] [<000000009548a4d2>] ? __switch_to_asm+0x35/0x70 [ 113.540186] [<0000000061595266>] ? __switch_to_asm+0x41/0x70 [ 113.540193] [<00000000644fa257>] ? kthread_park+0xa0/0xa0 [ 113.540201] [<00000000644fa257>] ? kthread_park+0xa0/0xa0 [ 113.540208] [<000000007c4478ed>] ret_from_fork+0x5c/0x70 [ 113.542407] lowmemorykiller: Killing 'syz-executor793' (3144) (tgid 3144), adj 1000, executing program [ 113.542407] to free 12172kB on behalf of 'syz-executor793' (4061) because [ 113.542407] cache 35668kB is below limit 65536kB for oom_score_adj 12 [ 113.542407] Free memory is -13456kB above reserved [ 113.554349] lowmemorykiller: Killing 'syz-executor793' (3147) (tgid 3147), adj 1000, [ 113.554349] to free 12172kB on behalf of 'kworker/u4:1' (64) because [ 113.554349] cache 35368kB is below limit 65536kB for oom_score_adj 12 [ 113.554349] Free memory is -456kB above reserved executing program executing program [ 113.718486] lowmemorykiller: Killing 'syz-executor793' (3153) (tgid 3153), adj 1000, [ 113.718486] to free 12172kB on behalf of 'syz-executor793' (4077) because [ 113.718486] cache 35320kB is below limit 65536kB for oom_score_adj 12 [ 113.718486] Free memory is -13328kB above reserved [ 113.723816] lowmemorykiller: Killing 'syz-executor793' (3162) (tgid 3162), adj 1000, [ 113.723816] to free 12172kB on behalf of 'syz-executor793' (4077) because [ 113.723816] cache 35220kB is below limit 65536kB for oom_score_adj 12 [ 113.723816] Free memory is -13344kB above reserved [ 113.724658] lowmemorykiller: Killing 'syz-executor793' (3171) (tgid 3171), adj 1000, [ 113.724658] to free 12172kB on behalf of 'syz-executor793' (4077) because [ 113.724658] cache 35120kB is below limit 65536kB for oom_score_adj 12 [ 113.724658] Free memory is -13344kB above reserved [ 113.831790] lowmemorykiller: Killing 'syz-executor793' (3174) (tgid 3174), adj 1000, executing program executing program [ 113.831790] to free 12172kB on behalf of 'syz-executor793' (4086) because [ 113.831790] cache 34508kB is below limit 65536kB for oom_score_adj 12 [ 113.831790] Free memory is -13372kB above reserved [ 113.837105] lowmemorykiller: Killing 'syz-executor793' (3189) (tgid 3189), adj 1000, [ 113.837105] to free 12172kB on behalf of 'syz-executor793' (4086) because [ 113.837105] cache 34408kB is below limit 65536kB for oom_score_adj 12 [ 113.837105] Free memory is -13300kB above reserved [ 113.837801] lowmemorykiller: Killing 'syz-executor793' (3192) (tgid 3192), adj 1000, [ 113.837801] to free 12172kB on behalf of 'syz-executor793' (4086) because [ 113.837801] cache 34308kB is below limit 65536kB for oom_score_adj 12 [ 113.837801] Free memory is -13300kB above reserved [ 113.963479] lowmemorykiller: Killing 'syz-executor793' (3204) (tgid 3204), adj 1000, [ 113.963479] to free 12172kB on behalf of 'syz-executor793' (4095) because [ 113.963479] cache 34044kB is below limit 65536kB for oom_score_adj 12 [ 113.963479] Free memory is -13240kB above reserved [ 113.970782] lowmemorykiller: Killing 'syz-executor793' (3207) (tgid 3207), adj 1000, [ 113.970782] to free 12172kB on behalf of 'syz-executor793' (4095) because [ 113.970782] cache 33944kB is below limit 65536kB for oom_score_adj 12 [ 113.970782] Free memory is -3140kB above reserved [ 113.983485] lowmemorykiller: Killing 'syz-executor793' (3210) (tgid 3210), adj 1000, [ 113.983485] to free 12172kB on behalf of 'syz-executor793' (4095) because executing program executing program [ 113.983485] cache 33944kB is below limit 65536kB for oom_score_adj 12 [ 113.983485] Free memory is 960kB above reserved [ 113.994559] lowmemorykiller: Killing 'syz-executor793' (3243) (tgid 3243), adj 1000, [ 113.994559] to free 12172kB on behalf of 'syz-executor793' (4095) because [ 113.994559] cache 33944kB is below limit 65536kB for oom_score_adj 12 [ 113.994559] Free memory is 11960kB above reserved [ 114.124349] lowmemorykiller: Killing 'syz-executor793' (3246) (tgid 3246), adj 1000, executing program executing program [ 114.124349] to free 12172kB on behalf of 'syz-executor793' (4107) because [ 114.124349] cache 33908kB is below limit 65536kB for oom_score_adj 12 [ 114.124349] Free memory is -13312kB above reserved [ 114.143513] lowmemorykiller: Killing 'syz-executor793' (3252) (tgid 3252), adj 1000, [ 114.143513] to free 12172kB on behalf of 'syz-executor793' (4107) because [ 114.143513] cache 33808kB is below limit 65536kB for oom_score_adj 12 executing program [ 114.143513] Free memory is -13404kB above reserved [ 114.144209] lowmemorykiller: Killing 'syz-executor793' (3255) (tgid 3255), adj 1000, [ 114.144209] to free 12172kB on behalf of 'syz-executor793' (4107) because [ 114.144209] cache 33508kB is below limit 65536kB for oom_score_adj 12 [ 114.144209] Free memory is -2916kB above reserved [ 114.235005] lowmemorykiller: Killing 'syz-executor793' (3258) (tgid 3258), adj 1000, [ 114.235005] to free 12172kB on behalf of 'syz-executor793' (4116) because executing program [ 114.235005] cache 33536kB is below limit 65536kB for oom_score_adj 12 [ 114.235005] Free memory is -13348kB above reserved [ 114.246868] lowmemorykiller: Killing 'syz-executor793' (3264) (tgid 3264), adj 1000, [ 114.246868] to free 12172kB on behalf of 'syz-executor793' (4116) because [ 114.246868] cache 33336kB is below limit 65536kB for oom_score_adj 12 [ 114.246868] Free memory is -13328kB above reserved [ 114.255192] lowmemorykiller: Killing 'syz-executor793' (3267) (tgid 3267), adj 1000, [ 114.255192] to free 12172kB on behalf of 'syz-executor793' (4116) because [ 114.255192] cache 33336kB is below limit 65536kB for oom_score_adj 12 [ 114.255192] Free memory is -4752kB above reserved executing program [ 114.264545] lowmemorykiller: Killing 'syz-executor793' (3270) (tgid 3270), adj 1000, [ 114.264545] to free 12172kB on behalf of 'syz-executor793' (4116) because [ 114.264545] cache 33436kB is below limit 65536kB for oom_score_adj 12 [ 114.264545] Free memory is 5372kB above reserved [ 114.274551] lowmemorykiller: Killing 'syz-executor793' (3279) (tgid 3279), adj 1000, executing program executing program [ 114.274551] to free 12172kB on behalf of 'syz-executor793' (4116) because [ 114.274551] cache 33336kB is below limit 65536kB for oom_score_adj 12 [ 114.274551] Free memory is 12172kB above reserved [ 114.284551] lowmemorykiller: Killing 'syz-executor793' (3282) (tgid 3282), adj 1000, [ 114.284551] to free 12172kB on behalf of 'syz-executor793' (4116) because [ 114.284551] cache 33364kB is below limit 65536kB for oom_score_adj 12 [ 114.284551] Free memory is 20176kB above reserved executing program executing program [ 114.481772] lowmemorykiller: Killing 'syz-executor793' (3291) (tgid 3291), adj 1000, [ 114.481772] to free 12172kB on behalf of 'syz-executor793' (4134) because [ 114.481772] cache 33308kB is below limit 65536kB for oom_score_adj 12 [ 114.481772] Free memory is -13364kB above reserved [ 114.533431] lowmemorykiller: Killing 'syz-executor793' (3294) (tgid 3294), adj 1000, [ 114.533431] to free 12172kB on behalf of 'syz-executor793' (4137) because [ 114.533431] cache 33208kB is below limit 65536kB for oom_score_adj 12 [ 114.533431] Free memory is -13240kB above reserved executing program [ 114.543454] lowmemorykiller: Killing 'syz-executor793' (3303) (tgid 3303), adj 1000, [ 114.543454] to free 12172kB on behalf of 'syz-executor793' (4137) because [ 114.543454] cache 33108kB is below limit 65536kB for oom_score_adj 12 [ 114.543454] Free memory is -8540kB above reserved [ 114.553445] lowmemorykiller: Killing 'syz-executor793' (3321) (tgid 3321), adj 1000, [ 114.553445] to free 12172kB on behalf of 'syz-executor793' (4137) because [ 114.553445] cache 33108kB is below limit 65536kB for oom_score_adj 12 [ 114.553445] Free memory is -652kB above reserved executing program [ 114.563450] lowmemorykiller: Killing 'syz-executor793' (3327) (tgid 3327), adj 1000, [ 114.563450] to free 12172kB on behalf of 'syz-executor793' (4137) because [ 114.563450] cache 33108kB is below limit 65536kB for oom_score_adj 12 [ 114.563450] Free memory is 7048kB above reserved [ 114.694913] lowmemorykiller: Killing 'syz-executor793' (3330) (tgid 3330), adj 1000, [ 114.694913] to free 12172kB on behalf of 'syz-executor793' (4149) because [ 114.694913] cache 32972kB is below limit 65536kB for oom_score_adj 12 executing program [ 114.694913] Free memory is -13356kB above reserved [ 114.694919] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 114.694923] in_atomic(): 0, irqs_disabled(): 0, pid: 4149, name: syz-executor793 [ 114.694925] INFO: lockdep is turned off. [ 114.694941] Preemption disabled at: [ 114.694941] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 114.694951] CPU: 0 PID: 4149 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 executing program [ 114.694965] ffff88000a6e7018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 114.694975] ffff8800712b97c0 ffffffff810d0c30 ffff8800712b97c0 ffff88000a6e7050 [ 114.694984] ffffffff8140008c ffff8800712b97c0 ffffffff82a39900 0000000000000387 [ 114.694986] Call Trace: [ 114.694996] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 114.695003] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 executing program executing program [ 114.695013] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 114.695022] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 [ 114.695030] [<000000006f5d4197>] mmput+0x28/0x370 [ 114.695039] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 114.695046] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 114.695055] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 [ 114.695064] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 114.695073] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 114.695082] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 114.695091] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 114.695099] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 114.695107] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 114.695117] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 114.695125] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 114.695133] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 114.695142] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 114.695149] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 114.695157] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 114.695164] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 114.695171] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 114.695179] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 114.695187] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 114.695196] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 114.695203] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 114.695210] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 executing program [ 114.695218] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 114.695226] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 114.695234] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 114.695242] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 114.695249] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 114.695257] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 [ 114.695265] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 executing program [ 114.695272] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 [ 114.695279] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 114.695286] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 114.695293] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 114.695301] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 114.695307] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 114.695320] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 114.695328] [<00000000f6f1cb0e>] ? memset+0x32/0x40 executing program executing program [ 114.695336] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 [ 114.695343] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 114.695351] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 114.695357] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 114.695365] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 114.695372] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 114.695379] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 114.695388] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 executing program executing program [ 114.695396] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 [ 114.695404] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 114.695411] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 [ 114.695418] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 114.695425] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 114.695434] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 114.696282] lowmemorykiller: Killing 'syz-executor793' (3333) (tgid 3333), adj 1000, [ 114.696282] to free 12172kB on behalf of 'syz-executor793' (4149) because executing program [ 114.696282] cache 32972kB is below limit 65536kB for oom_score_adj 12 [ 114.696282] Free memory is -13356kB above reserved [ 114.774306] lowmemorykiller: Killing 'syz-executor793' (3336) (tgid 3336), adj 1000, [ 114.774306] to free 12172kB on behalf of 'syz-executor793' (4155) because [ 114.774306] cache 32844kB is below limit 65536kB for oom_score_adj 12 [ 114.774306] Free memory is -13360kB above reserved [ 114.820121] lowmemorykiller: Killing 'syz-executor793' (3339) (tgid 3339), adj 1000, [ 114.820121] to free 12172kB on behalf of 'syz-executor793' (2103) because executing program executing program [ 114.820121] cache 32808kB is below limit 65536kB for oom_score_adj 12 [ 114.820121] Free memory is -13388kB above reserved [ 114.874811] lowmemorykiller: Killing 'syz-executor793' (3354) (tgid 3354), adj 1000, [ 114.874811] to free 12172kB on behalf of 'syz-executor793' (2103) because [ 114.874811] cache 32680kB is below limit 65536kB for oom_score_adj 12 [ 114.874811] Free memory is -13324kB above reserved [ 114.923470] lowmemorykiller: Killing 'syz-executor793' (3357) (tgid 3357), adj 1000, executing program [ 114.923470] to free 12172kB on behalf of 'syz-executor793' (4164) because [ 114.923470] cache 32480kB is below limit 65536kB for oom_score_adj 12 [ 114.923470] Free memory is -13288kB above reserved [ 114.933455] lowmemorykiller: Killing 'syz-executor793' (3360) (tgid 3360), adj 1000, [ 114.933455] to free 12172kB on behalf of 'syz-executor793' (4164) because [ 114.933455] cache 32480kB is below limit 65536kB for oom_score_adj 12 [ 114.933455] Free memory is -10688kB above reserved [ 114.949261] lowmemorykiller: Killing 'syz-executor793' (3363) (tgid 3363), adj 1000, [ 114.949261] to free 12172kB on behalf of 'syz-executor793' (4164) because [ 114.949261] cache 32480kB is below limit 65536kB for oom_score_adj 12 [ 114.949261] Free memory is -2908kB above reserved [ 114.962006] lowmemorykiller: Killing 'syz-executor793' (3366) (tgid 3366), adj 1000, [ 114.962006] to free 12172kB on behalf of 'syz-executor793' (4164) because [ 114.962006] cache 32380kB is below limit 65536kB for oom_score_adj 12 [ 114.962006] Free memory is 12288kB above reserved [ 114.973441] lowmemorykiller: Killing 'syz-executor793' (3369) (tgid 3369), adj 1000, [ 114.973441] to free 12172kB on behalf of 'syz-executor793' (4164) because [ 114.973441] cache 32380kB is below limit 65536kB for oom_score_adj 12 [ 114.973441] Free memory is 23976kB above reserved [ 115.143447] lowmemorykiller: Killing 'syz-executor793' (3372) (tgid 3372), adj 1000, [ 115.143447] to free 12172kB on behalf of 'syz-executor793' (4179) because [ 115.143447] cache 32424kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 115.143447] Free memory is -13316kB above reserved [ 115.143995] lowmemorykiller: Killing 'syz-executor793' (3378) (tgid 3378), adj 1000, [ 115.143995] to free 12172kB on behalf of 'syz-executor793' (4179) because [ 115.143995] cache 32224kB is below limit 65536kB for oom_score_adj 12 [ 115.143995] Free memory is -10216kB above reserved [ 115.216041] lowmemorykiller: Killing 'syz-executor793' (3390) (tgid 3390), adj 1000, [ 115.216041] to free 12172kB on behalf of 'syz-executor793' (4185) because executing program executing program [ 115.216041] cache 32296kB is below limit 65536kB for oom_score_adj 12 [ 115.216041] Free memory is -13416kB above reserved [ 115.226032] lowmemorykiller: Killing 'syz-executor793' (3399) (tgid 3399), adj 1000, [ 115.226032] to free 12172kB on behalf of 'syz-executor793' (4185) because [ 115.226032] cache 32096kB is below limit 65536kB for oom_score_adj 12 [ 115.226032] Free memory is -13312kB above reserved [ 115.231547] lowmemorykiller: Killing 'syz-executor793' (3402) (tgid 3402), adj 1000, executing program [ 115.231547] to free 12172kB on behalf of 'syz-executor793' (4185) because [ 115.231547] cache 32096kB is below limit 65536kB for oom_score_adj 12 [ 115.231547] Free memory is -13336kB above reserved [ 115.231852] lowmemorykiller: Killing 'syz-executor793' (3414) (tgid 3414), adj 1000, [ 115.231852] to free 12172kB on behalf of 'syz-executor793' (4185) because [ 115.231852] cache 32096kB is below limit 65536kB for oom_score_adj 12 [ 115.231852] Free memory is -13336kB above reserved [ 115.365396] lowmemorykiller: Killing 'syz-executor793' (3417) (tgid 3417), adj 1000, executing program executing program [ 115.365396] to free 12172kB on behalf of 'syz-executor793' (4197) because [ 115.365396] cache 31760kB is below limit 65536kB for oom_score_adj 12 [ 115.365396] Free memory is -13332kB above reserved [ 115.366510] lowmemorykiller: Killing 'syz-executor793' (3423) (tgid 3423), adj 1000, [ 115.366510] to free 12172kB on behalf of 'syz-executor793' (4197) because [ 115.366510] cache 31560kB is below limit 65536kB for oom_score_adj 12 [ 115.366510] Free memory is -13332kB above reserved executing program [ 115.442733] lowmemorykiller: Killing 'syz-executor793' (3426) (tgid 3426), adj 1000, [ 115.442733] to free 12172kB on behalf of 'syz-executor793' (4203) because [ 115.442733] cache 31508kB is below limit 65536kB for oom_score_adj 12 [ 115.442733] Free memory is -13360kB above reserved [ 115.533510] lowmemorykiller: Killing 'syz-executor793' (3429) (tgid 3429), adj 1000, [ 115.533510] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.533510] cache 31308kB is below limit 65536kB for oom_score_adj 12 [ 115.533510] Free memory is -13444kB above reserved [ 115.543479] lowmemorykiller: Killing 'syz-executor793' (3432) (tgid 3432), adj 1000, [ 115.543479] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.543479] cache 31208kB is below limit 65536kB for oom_score_adj 12 [ 115.543479] Free memory is -4044kB above reserved [ 115.553490] lowmemorykiller: Killing 'syz-executor793' (3441) (tgid 3441), adj 1000, [ 115.553490] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.553490] cache 31208kB is below limit 65536kB for oom_score_adj 12 [ 115.553490] Free memory is 3756kB above reserved [ 115.563480] lowmemorykiller: Killing 'syz-executor793' (3444) (tgid 3444), adj 1000, [ 115.563480] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.563480] cache 31208kB is below limit 65536kB for oom_score_adj 12 [ 115.563480] Free memory is 11440kB above reserved [ 115.573514] lowmemorykiller: Killing 'syz-executor793' (3450) (tgid 3450), adj 1000, executing program executing program [ 115.573514] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.573514] cache 31108kB is below limit 65536kB for oom_score_adj 12 [ 115.573514] Free memory is 18740kB above reserved [ 115.583482] lowmemorykiller: Killing 'syz-executor793' (3453) (tgid 3453), adj 1000, [ 115.583482] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.583482] cache 31108kB is below limit 65536kB for oom_score_adj 12 [ 115.583482] Free memory is 26724kB above reserved executing program [ 115.584097] lowmemorykiller: Killing 'syz-executor793' (3465) (tgid 3465), adj 1000, [ 115.584097] to free 12172kB on behalf of 'syz-executor793' (4209) because [ 115.584097] cache 31008kB is below limit 65536kB for oom_score_adj 12 [ 115.584097] Free memory is 34124kB above reserved [ 115.812047] lowmemorykiller: Killing 'syz-executor793' (3471) (tgid 3471), adj 1000, [ 115.812047] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.812047] cache 31056kB is below limit 65536kB for oom_score_adj 12 [ 115.812047] Free memory is -13324kB above reserved executing program executing program [ 115.812053] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 115.812058] in_atomic(): 0, irqs_disabled(): 0, pid: 4227, name: syz-executor793 [ 115.812060] INFO: lockdep is turned off. [ 115.812075] Preemption disabled at: [ 115.812075] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 115.812085] CPU: 0 PID: 4227 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 [ 115.812098] ffff880049037018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 115.812108] ffff88004901c740 ffffffff810d0c30 ffff88004901c740 ffff880049037050 executing program executing program [ 115.812118] ffffffff8140008c ffff88004901c740 ffffffff82a39900 0000000000000387 [ 115.812119] Call Trace: [ 115.812130] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 115.812138] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 115.812147] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 115.812157] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 [ 115.812164] [<000000006f5d4197>] mmput+0x28/0x370 [ 115.812173] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 115.812181] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 executing program [ 115.812191] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 [ 115.812200] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 115.812208] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 115.812217] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 115.812226] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 executing program executing program [ 115.812235] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 115.812243] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 115.812253] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 115.812261] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 115.812270] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 115.812278] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 115.812286] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 115.812293] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 115.812301] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 115.812308] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 115.812316] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 115.812324] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 115.812333] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 115.812340] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 115.812349] [<0000000068d60eac>] ? set_next_entity+0x109f/0x4220 [ 115.812357] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 115.812366] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 115.812373] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 115.812381] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 115.812389] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 115.812396] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 executing program [ 115.812404] [<00000000efaa5714>] ? __schedule+0x6d6/0x1f10 [ 115.812412] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 115.812420] [<00000000f93e59fc>] ? io_schedule_timeout+0x390/0x390 [ 115.812433] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 [ 115.812440] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 115.812447] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 115.812454] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 115.812462] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 executing program executing program [ 115.812469] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 115.812476] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 115.812484] [<00000000f6f1cb0e>] ? memset+0x32/0x40 [ 115.812491] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 [ 115.812499] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 115.812506] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 115.812513] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 115.812520] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 115.812527] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 executing program executing program [ 115.812535] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 115.812544] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 115.812552] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 [ 115.812560] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 115.812567] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 [ 115.812574] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 115.812581] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 115.812589] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program [ 115.841440] lowmemorykiller: Killing 'syz-executor793' (3477) (tgid 3477), adj 1000, [ 115.841440] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.841440] cache 30856kB is below limit 65536kB for oom_score_adj 12 [ 115.841440] Free memory is -13224kB above reserved [ 115.853511] lowmemorykiller: Killing 'syz-executor793' (3489) (tgid 3489), adj 1000, [ 115.853511] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.853511] cache 30856kB is below limit 65536kB for oom_score_adj 12 [ 115.853511] Free memory is -13224kB above reserved executing program executing program [ 115.863471] lowmemorykiller: Killing 'syz-executor793' (3498) (tgid 3498), adj 1000, [ 115.863471] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.863471] cache 30856kB is below limit 65536kB for oom_score_adj 12 [ 115.863471] Free memory is 4676kB above reserved [ 115.873463] lowmemorykiller: Killing 'syz-executor793' (3501) (tgid 3501), adj 1000, [ 115.873463] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.873463] cache 30756kB is below limit 65536kB for oom_score_adj 12 [ 115.873463] Free memory is 23476kB above reserved [ 115.883477] lowmemorykiller: Killing 'syz-executor793' (3510) (tgid 3510), adj 1000, [ 115.883477] to free 12172kB on behalf of 'syz-executor793' (4227) because [ 115.883477] cache 30656kB is below limit 65536kB for oom_score_adj 12 [ 115.883477] Free memory is 34048kB above reserved [ 115.884061] lowmemorykiller: Killing 'syz-executor793' (3534) (tgid 3534), adj 1000, [ 115.884061] to free 12172kB on behalf of 'syz-executor793' (4227) because executing program executing program [ 115.884061] cache 30656kB is below limit 65536kB for oom_score_adj 12 [ 115.884061] Free memory is 41928kB above reserved [ 116.103076] lowmemorykiller: Killing 'syz-executor793' (3537) (tgid 3537), adj 1000, [ 116.103076] to free 12172kB on behalf of 'syz-executor793' (4248) because [ 116.103076] cache 30600kB is below limit 65536kB for oom_score_adj 12 [ 116.103076] Free memory is -13228kB above reserved executing program [ 116.183504] lowmemorykiller: Killing 'syz-executor793' (3540) (tgid 3540), adj 1000, [ 116.183504] to free 12172kB on behalf of 'syz-executor793' (4254) because [ 116.183504] cache 30348kB is below limit 65536kB for oom_score_adj 12 [ 116.183504] Free memory is -13328kB above reserved [ 116.193489] lowmemorykiller: Killing 'syz-executor793' (3555) (tgid 3555), adj 1000, [ 116.193489] to free 12172kB on behalf of 'syz-executor793' (4254) because [ 116.193489] cache 30348kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 116.193489] Free memory is -4528kB above reserved [ 116.194119] lowmemorykiller: Killing 'syz-executor793' (3558) (tgid 3558), adj 1000, [ 116.194119] to free 12172kB on behalf of 'syz-executor793' (4254) because [ 116.194119] cache 30348kB is below limit 65536kB for oom_score_adj 12 [ 116.194119] Free memory is 2952kB above reserved [ 116.294530] lowmemorykiller: Killing 'syz-executor793' (3561) (tgid 3561), adj 1000, executing program [ 116.294530] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.294530] cache 30124kB is below limit 65536kB for oom_score_adj 12 [ 116.294530] Free memory is -13360kB above reserved [ 116.303446] lowmemorykiller: Killing 'syz-executor793' (3567) (tgid 3567), adj 1000, [ 116.303446] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.303446] cache 30124kB is below limit 65536kB for oom_score_adj 12 [ 116.303446] Free memory is -10060kB above reserved [ 116.313469] lowmemorykiller: Killing 'syz-executor793' (3570) (tgid 3570), adj 1000, [ 116.313469] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.313469] cache 30124kB is below limit 65536kB for oom_score_adj 12 [ 116.313469] Free memory is -3360kB above reserved [ 116.324551] lowmemorykiller: Killing 'syz-executor793' (3573) (tgid 3573), adj 1000, [ 116.324551] to free 12172kB on behalf of 'syz-executor793' (4260) because executing program executing program [ 116.324551] cache 30124kB is below limit 65536kB for oom_score_adj 12 [ 116.324551] Free memory is 4440kB above reserved [ 116.333467] lowmemorykiller: Killing 'syz-executor793' (3582) (tgid 3582), adj 1000, [ 116.333467] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.333467] cache 30124kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 116.333467] Free memory is 13740kB above reserved [ 116.346722] lowmemorykiller: Killing 'syz-executor793' (3585) (tgid 3585), adj 1000, [ 116.346722] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.346722] cache 30124kB is below limit 65536kB for oom_score_adj 12 [ 116.346722] Free memory is 20040kB above reserved [ 116.353463] lowmemorykiller: Killing 'syz-executor793' (3591) (tgid 3591), adj 1000, [ 116.353463] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.353463] cache 30024kB is below limit 65536kB for oom_score_adj 12 [ 116.353463] Free memory is 32316kB above reserved [ 116.363458] lowmemorykiller: Killing 'syz-executor793' (3639) (tgid 3639), adj 1000, [ 116.363458] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.363458] cache 29924kB is below limit 65536kB for oom_score_adj 12 [ 116.363458] Free memory is 35216kB above reserved [ 116.373485] lowmemorykiller: Killing 'syz-executor793' (3648) (tgid 3648), adj 1000, [ 116.373485] to free 12172kB on behalf of 'syz-executor793' (4260) because executing program executing program [ 116.373485] cache 29900kB is below limit 65536kB for oom_score_adj 12 [ 116.373485] Free memory is 43292kB above reserved [ 116.400664] lowmemorykiller: Killing 'syz-executor793' (3651) (tgid 3651), adj 1000, [ 116.400664] to free 12172kB on behalf of 'syz-executor793' (4260) because [ 116.400664] cache 29900kB is below limit 65536kB for oom_score_adj 12 [ 116.400664] Free memory is 50892kB above reserved executing program [ 116.715626] lowmemorykiller: Killing 'syz-executor793' (3654) (tgid 3654), adj 1000, [ 116.715626] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.715626] cache 29880kB is below limit 65536kB for oom_score_adj 12 [ 116.715626] Free memory is -13336kB above reserved [ 116.724557] lowmemorykiller: Killing 'syz-executor793' (3666) (tgid 3666), adj 1000, [ 116.724557] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.724557] cache 29880kB is below limit 65536kB for oom_score_adj 12 executing program [ 116.724557] Free memory is -11136kB above reserved executing program executing program [ 116.732009] lowmemorykiller: Killing 'syz-executor793' (3669) (tgid 3669), adj 1000, [ 116.732009] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.732009] cache 29880kB is below limit 65536kB for oom_score_adj 12 [ 116.732009] Free memory is -4836kB above reserved [ 116.748920] lowmemorykiller: Killing 'syz-executor793' (3675) (tgid 3675), adj 1000, [ 116.748920] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.748920] cache 29880kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 116.748920] Free memory is -1336kB above reserved [ 116.766536] lowmemorykiller: Killing 'syz-executor793' (3678) (tgid 3678), adj 1000, [ 116.766536] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.766536] cache 29880kB is below limit 65536kB for oom_score_adj 12 [ 116.766536] Free memory is 16456kB above reserved [ 116.773435] lowmemorykiller: Killing 'syz-executor793' (3681) (tgid 3681), adj 1000, [ 116.773435] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.773435] cache 29880kB is below limit 65536kB for oom_score_adj 12 [ 116.773435] Free memory is 34756kB above reserved [ 116.789621] lowmemorykiller: Killing 'syz-executor793' (3687) (tgid 3687), adj 1000, [ 116.789621] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.789621] cache 29880kB is below limit 65536kB for oom_score_adj 12 [ 116.789621] Free memory is 41856kB above reserved [ 116.802610] lowmemorykiller: Killing 'syz-executor793' (3690) (tgid 3690), adj 1000, [ 116.802610] to free 12172kB on behalf of 'syz-executor793' (4290) because [ 116.802610] cache 29780kB is below limit 65536kB for oom_score_adj 12 [ 116.802610] Free memory is 61156kB above reserved executing program [ 117.073477] lowmemorykiller: Killing 'syz-executor793' (3696) (tgid 3696), adj 1000, [ 117.073477] to free 12172kB on behalf of 'syz-executor793' (4314) because [ 117.073477] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.073477] Free memory is -13280kB above reserved [ 117.083468] lowmemorykiller: Killing 'syz-executor793' (3699) (tgid 3699), adj 1000, [ 117.083468] to free 12172kB on behalf of 'syz-executor793' (4314) because [ 117.083468] cache 29664kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 117.083468] Free memory is -10080kB above reserved [ 117.094569] lowmemorykiller: Killing 'syz-executor793' (3702) (tgid 3702), adj 1000, [ 117.094569] to free 12172kB on behalf of 'syz-executor793' (4314) because [ 117.094569] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.094569] Free memory is -2180kB above reserved [ 117.103462] lowmemorykiller: Killing 'syz-executor793' (3708) (tgid 3708), adj 1000, [ 117.103462] to free 12172kB on behalf of 'syz-executor793' (4314) because executing program executing program [ 117.103462] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.103462] Free memory is 6904kB above reserved [ 117.114531] lowmemorykiller: Killing 'syz-executor793' (3711) (tgid 3711), adj 1000, [ 117.114531] to free 12172kB on behalf of 'syz-executor793' (4314) because [ 117.114531] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.114531] Free memory is 13304kB above reserved [ 117.123463] lowmemorykiller: Killing 'syz-executor793' (3717) (tgid 3717), adj 1000, [ 117.123463] to free 12172kB on behalf of 'syz-executor793' (4314) because executing program [ 117.123463] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.123463] Free memory is 22604kB above reserved [ 117.124049] lowmemorykiller: Killing 'syz-executor793' (3723) (tgid 3723), adj 1000, [ 117.124049] to free 12172kB on behalf of 'syz-executor793' (4314) because [ 117.124049] cache 29664kB is below limit 65536kB for oom_score_adj 12 [ 117.124049] Free memory is 28504kB above reserved [ 117.124054] BUG: sleeping function called from invalid context at kernel/fork.c:903 executing program executing program [ 117.124059] in_atomic(): 0, irqs_disabled(): 0, pid: 4314, name: syz-executor793 [ 117.124061] INFO: lockdep is turned off. [ 117.124076] Preemption disabled at: [ 117.124076] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 117.124095] CPU: 1 PID: 4314 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 [ 117.124109] ffff88004913f018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 117.124119] ffff88001f2fdf00 ffffffff810d0c30 ffff88001f2fdf00 ffff88004913f050 [ 117.124129] ffffffff8140008c ffff88001f2fdf00 ffffffff82a39900 0000000000000387 [ 117.124130] Call Trace: executing program executing program [ 117.124141] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 117.124148] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 117.124158] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 117.124167] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 [ 117.124182] [<000000006f5d4197>] mmput+0x28/0x370 [ 117.124192] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 117.124200] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 117.124210] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 executing program [ 117.124219] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 117.124227] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 117.124237] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 117.124246] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 executing program executing program [ 117.124254] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 117.124262] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 117.124272] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 117.124280] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 117.124288] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 117.124297] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 117.124306] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 117.124313] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 executing program [ 117.124320] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 117.124328] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 117.124335] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 117.124344] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 117.124353] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 117.124360] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 executing program executing program [ 117.124368] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 117.124377] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 117.124385] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 117.124393] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 117.124400] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 117.124408] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 [ 117.124416] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 117.124424] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 executing program [ 117.124431] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 117.124437] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 117.124445] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 117.124452] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 117.124459] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 117.124467] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 117.124474] [<00000000f6f1cb0e>] ? memset+0x32/0x40 executing program [ 117.124482] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 [ 117.124495] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 117.124502] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 117.124509] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 117.124516] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 117.124523] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 117.124531] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 executing program [ 117.124541] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 117.124550] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 [ 117.124558] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 117.124565] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 executing program [ 117.124572] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 117.124579] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 117.124588] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 117.405619] lowmemorykiller: Killing 'syz-executor793' (3729) (tgid 3729), adj 1000, [ 117.405619] to free 12172kB on behalf of 'syz-executor793' (4335) because [ 117.405619] cache 29452kB is below limit 65536kB for oom_score_adj 12 [ 117.405619] Free memory is -13300kB above reserved executing program [ 117.406032] lowmemorykiller: Killing 'syz-executor793' (3732) (tgid 3732), adj 1000, [ 117.406032] to free 12172kB on behalf of 'syz-executor793' (4335) because [ 117.406032] cache 29452kB is below limit 65536kB for oom_score_adj 12 [ 117.406032] Free memory is -10500kB above reserved [ 117.410267] lowmemorykiller: Killing 'syz-executor793' (3735) (tgid 3735), adj 1000, [ 117.410267] to free 12172kB on behalf of 'syz-executor793' (4335) because [ 117.410267] cache 29252kB is below limit 65536kB for oom_score_adj 12 executing program [ 117.410267] Free memory is -7624kB above reserved [ 117.513466] lowmemorykiller: Killing 'syz-executor793' (3738) (tgid 3738), adj 1000, [ 117.513466] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.513466] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.513466] Free memory is -13348kB above reserved executing program [ 117.524543] lowmemorykiller: Killing 'syz-executor793' (3744) (tgid 3744), adj 1000, [ 117.524543] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.524543] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.524543] Free memory is -11048kB above reserved [ 117.533471] lowmemorykiller: Killing 'syz-executor793' (3750) (tgid 3750), adj 1000, [ 117.533471] to free 12172kB on behalf of 'syz-executor793' (4344) because executing program [ 117.533471] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.533471] Free memory is -1464kB above reserved [ 117.544574] lowmemorykiller: Killing 'syz-executor793' (3753) (tgid 3753), adj 1000, [ 117.544574] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.544574] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.544574] Free memory is 4932kB above reserved [ 117.553490] lowmemorykiller: Killing 'syz-executor793' (3762) (tgid 3762), adj 1000, executing program [ 117.553490] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.553490] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.553490] Free memory is 14232kB above reserved [ 117.554095] lowmemorykiller: Killing 'syz-executor793' (3765) (tgid 3765), adj 1000, [ 117.554095] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.554095] cache 29240kB is below limit 65536kB for oom_score_adj 12 [ 117.554095] Free memory is 20432kB above reserved [ 117.575138] lowmemorykiller: Killing 'syz-executor793' (3768) (tgid 3768), adj 1000, executing program executing program [ 117.575138] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.575138] cache 29040kB is below limit 65536kB for oom_score_adj 12 [ 117.575138] Free memory is 22032kB above reserved [ 117.583483] lowmemorykiller: Killing 'syz-executor793' (3771) (tgid 3771), adj 1000, [ 117.583483] to free 12172kB on behalf of 'syz-executor793' (4344) because [ 117.583483] cache 29040kB is below limit 65536kB for oom_score_adj 12 executing program [ 117.583483] Free memory is 50608kB above reserved [ 117.853521] lowmemorykiller: Killing 'syz-executor793' (3780) (tgid 3780), adj 1000, [ 117.853521] to free 12172kB on behalf of 'syz-executor793' (4368) because [ 117.853521] cache 29028kB is below limit 65536kB for oom_score_adj 12 [ 117.853521] Free memory is -13324kB above reserved [ 117.862882] lowmemorykiller: Killing 'syz-executor793' (3786) (tgid 3786), adj 1000, [ 117.862882] to free 12172kB on behalf of 'syz-executor793' (4368) because executing program [ 117.862882] cache 29028kB is below limit 65536kB for oom_score_adj 12 [ 117.862882] Free memory is -8924kB above reserved [ 117.873562] lowmemorykiller: Killing 'syz-executor793' (3789) (tgid 3789), adj 1000, [ 117.873562] to free 12172kB on behalf of 'syz-executor793' (4368) because [ 117.873562] cache 29028kB is below limit 65536kB for oom_score_adj 12 [ 117.873562] Free memory is -2824kB above reserved executing program executing program [ 117.874202] lowmemorykiller: Killing 'syz-executor793' (3795) (tgid 3795), adj 1000, [ 117.874202] to free 12172kB on behalf of 'syz-executor793' (4368) because [ 117.874202] cache 29028kB is below limit 65536kB for oom_score_adj 12 [ 117.874202] Free memory is 4876kB above reserved [ 118.012940] lowmemorykiller: Killing 'syz-executor793' (3798) (tgid 3798), adj 1000, [ 118.012940] to free 12172kB on behalf of 'syz-executor793' (4380) because [ 118.012940] cache 28816kB is below limit 65536kB for oom_score_adj 12 executing program [ 118.012940] Free memory is -13348kB above reserved [ 118.013286] lowmemorykiller: Killing 'syz-executor793' (3807) (tgid 3807), adj 1000, [ 118.013286] to free 12172kB on behalf of 'syz-executor793' (4380) because [ 118.013286] cache 28816kB is below limit 65536kB for oom_score_adj 12 [ 118.013286] Free memory is -13348kB above reserved [ 118.091593] lowmemorykiller: Killing 'syz-executor793' (3810) (tgid 3810), adj 1000, executing program [ 118.091593] to free 12172kB on behalf of 'syz-executor793' (4386) because [ 118.091593] cache 28604kB is below limit 65536kB for oom_score_adj 12 [ 118.091593] Free memory is -13360kB above reserved [ 118.116813] lowmemorykiller: Killing 'syz-executor793' (3813) (tgid 3813), adj 1000, [ 118.116813] to free 12172kB on behalf of 'syz-executor793' (4386) because executing program [ 118.116813] cache 28404kB is below limit 65536kB for oom_score_adj 12 [ 118.116813] Free memory is -13384kB above reserved [ 118.123452] lowmemorykiller: Killing 'syz-executor793' (3816) (tgid 3816), adj 1000, [ 118.123452] to free 12172kB on behalf of 'syz-executor793' (4386) because [ 118.123452] cache 28404kB is below limit 65536kB for oom_score_adj 12 [ 118.123452] Free memory is -3308kB above reserved [ 118.123790] lowmemorykiller: Killing 'syz-executor793' (3825) (tgid 3825), adj 1000, [ 118.123790] to free 12172kB on behalf of 'syz-executor793' (4386) because executing program [ 118.123790] cache 28304kB is below limit 65536kB for oom_score_adj 12 [ 118.123790] Free memory is 3916kB above reserved [ 118.123795] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 118.123800] in_atomic(): 0, irqs_disabled(): 0, pid: 4386, name: syz-executor793 executing program [ 118.123802] INFO: lockdep is turned off. [ 118.123818] Preemption disabled at: [ 118.123818] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 118.123827] CPU: 1 PID: 4386 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 [ 118.123840] ffff8801ca797018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 118.123850] ffff8801c5008000 ffffffff810d0c30 ffff8801c5008000 ffff8801ca797050 [ 118.123860] ffffffff8140008c ffff8801c5008000 ffffffff82a39900 0000000000000387 [ 118.123862] Call Trace: executing program executing program [ 118.123872] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 118.123880] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 118.123889] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 118.123899] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 [ 118.123907] [<000000006f5d4197>] mmput+0x28/0x370 [ 118.123915] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 118.123923] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 118.123933] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 executing program executing program [ 118.123942] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 118.123950] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 118.123959] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 118.123969] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 118.123977] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 118.123985] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 118.123996] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 118.124004] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 executing program [ 118.124013] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 118.124022] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 118.124029] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 118.124037] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 118.124044] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 118.124052] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 118.124059] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 118.124068] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 executing program executing program [ 118.124077] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 118.124084] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 118.124092] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 118.124101] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 [ 118.124109] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 118.124117] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 118.124124] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 118.124132] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 [ 118.124140] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 118.124147] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 [ 118.124154] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 118.124161] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 118.124168] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 118.124183] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 118.124190] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 118.124198] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 executing program [ 118.124205] [<00000000f6f1cb0e>] ? memset+0x32/0x40 [ 118.124213] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 executing program [ 118.124220] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 118.124228] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 118.124235] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 118.124242] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 118.124249] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 118.124257] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 118.124266] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 118.124274] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 executing program executing program [ 118.124282] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 118.124289] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 [ 118.124295] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 118.124302] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 118.124311] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 118.263467] lowmemorykiller: Killing 'syz-executor793' (3828) (tgid 3828), adj 1000, [ 118.263467] to free 12172kB on behalf of 'syz-executor793' (4398) because [ 118.263467] cache 28196kB is below limit 65536kB for oom_score_adj 12 executing program [ 118.263467] Free memory is -13296kB above reserved [ 118.273514] lowmemorykiller: Killing 'syz-executor793' (3834) (tgid 3834), adj 1000, [ 118.273514] to free 12172kB on behalf of 'syz-executor793' (4398) because [ 118.273514] cache 28196kB is below limit 65536kB for oom_score_adj 12 [ 118.273514] Free memory is -9296kB above reserved [ 118.274110] lowmemorykiller: Killing 'syz-executor793' (3840) (tgid 3840), adj 1000, [ 118.274110] to free 12172kB on behalf of 'syz-executor793' (4398) because executing program [ 118.274110] cache 28196kB is below limit 65536kB for oom_score_adj 12 [ 118.274110] Free memory is -1392kB above reserved [ 118.377162] lowmemorykiller: Killing 'syz-executor793' (3843) (tgid 3843), adj 1000, [ 118.377162] to free 12172kB on behalf of 'syz-executor793' (4407) because [ 118.377162] cache 27996kB is below limit 65536kB for oom_score_adj 12 [ 118.377162] Free memory is -13384kB above reserved [ 118.393539] lowmemorykiller: Killing 'syz-executor793' (3849) (tgid 3849), adj 1000, [ 118.393539] to free 12172kB on behalf of 'syz-executor793' (4407) because executing program [ 118.393539] cache 27796kB is below limit 65536kB for oom_score_adj 12 [ 118.393539] Free memory is -13296kB above reserved [ 118.400805] lowmemorykiller: Killing 'syz-executor793' (3855) (tgid 3855), adj 1000, [ 118.400805] to free 12172kB on behalf of 'syz-executor793' (4407) because [ 118.400805] cache 27796kB is below limit 65536kB for oom_score_adj 12 [ 118.400805] Free memory is -13296kB above reserved [ 118.401257] lowmemorykiller: Killing 'syz-executor793' (3858) (tgid 3858), adj 1000, executing program executing program [ 118.401257] to free 12172kB on behalf of 'syz-executor793' (4407) because [ 118.401257] cache 27796kB is below limit 65536kB for oom_score_adj 12 [ 118.401257] Free memory is -9296kB above reserved [ 118.401564] lowmemorykiller: Killing 'syz-executor793' (3864) (tgid 3864), adj 1000, [ 118.401564] to free 12172kB on behalf of 'syz-executor793' (4407) because [ 118.401564] cache 27796kB is below limit 65536kB for oom_score_adj 12 [ 118.401564] Free memory is -8596kB above reserved [ 118.566137] lowmemorykiller: Killing 'syz-executor793' (3867) (tgid 3867), adj 1000, executing program [ 118.566137] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.566137] cache 27596kB is below limit 65536kB for oom_score_adj 12 [ 118.566137] Free memory is -13300kB above reserved [ 118.583452] lowmemorykiller: Killing 'syz-executor793' (3870) (tgid 3870), adj 1000, [ 118.583452] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.583452] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.583452] Free memory is -13336kB above reserved executing program executing program [ 118.583885] lowmemorykiller: Killing 'syz-executor793' (3876) (tgid 3876), adj 1000, [ 118.583885] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.583885] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.583885] Free memory is -3460kB above reserved [ 118.593493] lowmemorykiller: Killing 'syz-executor793' (3882) (tgid 3882), adj 1000, [ 118.593493] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.593493] cache 27396kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 118.593493] Free memory is -2760kB above reserved [ 118.604559] lowmemorykiller: Killing 'syz-executor793' (3888) (tgid 3888), adj 1000, [ 118.604559] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.604559] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.604559] Free memory is 11492kB above reserved [ 118.613493] lowmemorykiller: Killing 'syz-executor793' (3891) (tgid 3891), adj 1000, [ 118.613493] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.613493] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.613493] Free memory is 24092kB above reserved [ 118.624542] lowmemorykiller: Killing 'syz-executor793' (3894) (tgid 3894), adj 1000, [ 118.624542] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.624542] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.624542] Free memory is 29192kB above reserved [ 118.624944] lowmemorykiller: Killing 'syz-executor793' (3897) (tgid 3897), adj 1000, [ 118.624944] to free 12172kB on behalf of 'syz-executor793' (4422) because executing program executing program [ 118.624944] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.624944] Free memory is 39392kB above reserved [ 118.633463] lowmemorykiller: Killing 'syz-executor793' (3900) (tgid 3900), adj 1000, [ 118.633463] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.633463] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.633463] Free memory is 39892kB above reserved [ 118.643459] lowmemorykiller: Killing 'syz-executor793' (3906) (tgid 3906), adj 1000, executing program [ 118.643459] to free 12172kB on behalf of 'syz-executor793' (4422) because [ 118.643459] cache 27396kB is below limit 65536kB for oom_score_adj 12 [ 118.643459] Free memory is 52272kB above reserved [ 118.963081] lowmemorykiller: Killing 'syz-executor793' (3909) (tgid 3909), adj 1000, [ 118.963081] to free 12172kB on behalf of 'syz-executor793' (4452) because [ 118.963081] cache 27200kB is below limit 65536kB for oom_score_adj 12 [ 118.963081] Free memory is -13308kB above reserved [ 118.972953] lowmemorykiller: Killing 'syz-executor793' (3912) (tgid 3912), adj 1000, executing program [ 118.972953] to free 12172kB on behalf of 'syz-executor793' (4452) because [ 118.972953] cache 27000kB is below limit 65536kB for oom_score_adj 12 [ 118.972953] Free memory is -13348kB above reserved [ 118.973304] lowmemorykiller: Killing 'syz-executor793' (3927) (tgid 3927), adj 1000, [ 118.973304] to free 12172kB on behalf of 'syz-executor793' (4452) because [ 118.973304] cache 27000kB is below limit 65536kB for oom_score_adj 12 [ 118.973304] Free memory is -13472kB above reserved executing program [ 119.083478] lowmemorykiller: Killing 'syz-executor793' (3930) (tgid 3930), adj 1000, [ 119.083478] to free 12172kB on behalf of 'syz-executor793' (4461) because [ 119.083478] cache 26808kB is below limit 65536kB for oom_score_adj 12 [ 119.083478] Free memory is -13304kB above reserved [ 119.084038] lowmemorykiller: Killing 'syz-executor793' (3945) (tgid 3945), adj 1000, [ 119.084038] to free 12172kB on behalf of 'syz-executor793' (4461) because [ 119.084038] cache 26808kB is below limit 65536kB for oom_score_adj 12 [ 119.084038] Free memory is -11004kB above reserved [ 119.087952] lowmemorykiller: Killing 'syz-executor793' (3948) (tgid 3948), adj 1000, [ 119.087952] to free 12172kB on behalf of 'syz-executor793' (4461) because [ 119.087952] cache 26708kB is below limit 65536kB for oom_score_adj 12 [ 119.087952] Free memory is -9504kB above reserved [ 119.183651] lowmemorykiller: Killing 'syz-executor793' (3951) (tgid 3951), adj 1000, executing program executing program [ 119.183651] to free 12172kB on behalf of 'syz-executor793' (4470) because [ 119.183651] cache 26612kB is below limit 65536kB for oom_score_adj 12 [ 119.183651] Free memory is -13260kB above reserved [ 119.183658] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 119.183663] in_atomic(): 0, irqs_disabled(): 0, pid: 4470, name: syz-executor793 [ 119.183665] INFO: lockdep is turned off. [ 119.183681] Preemption disabled at: [ 119.183682] [<00000000892b4196>] get_task_mm+0x20/0xc0 executing program [ 119.183691] CPU: 1 PID: 4470 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 [ 119.183705] ffff8801cd91f018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 119.183715] ffff8801cc3ac740 ffffffff810d0c30 ffff8801cc3ac740 ffff8801cd91f050 [ 119.183725] ffffffff8140008c ffff8801cc3ac740 ffffffff82a39900 0000000000000387 [ 119.183727] Call Trace: [ 119.183737] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 [ 119.183745] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 119.183755] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa executing program [ 119.183764] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 executing program [ 119.183772] [<000000006f5d4197>] mmput+0x28/0x370 [ 119.183781] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 119.183788] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 119.183798] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 [ 119.183807] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 [ 119.183816] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 executing program executing program [ 119.183825] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 119.183833] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 119.183842] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 119.183850] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 [ 119.183860] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 119.183868] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 119.183876] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 119.183884] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 executing program [ 119.183892] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 119.183900] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 119.183908] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 119.183916] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 [ 119.183923] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 119.183932] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 119.183941] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 119.183948] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 119.183956] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 119.183965] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 119.183974] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 executing program [ 119.183981] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 119.183990] [<000000008e801459>] ? generic_file_readonly_mmap+0x190/0x190 [ 119.183997] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 119.184005] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 119.184012] [<000000008f6cf29c>] ? handle_mm_fault+0x11f8/0x2420 [ 119.184021] [<000000008e801459>] ? generic_file_readonly_mmap+0x190/0x190 [ 119.184028] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 119.184036] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 executing program [ 119.184042] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 119.184049] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 119.184057] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 [ 119.184064] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 119.184071] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 119.184078] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 119.184086] [<00000000f6f1cb0e>] ? memset+0x32/0x40 [ 119.184093] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 executing program executing program [ 119.184100] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 119.184108] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 [ 119.184115] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 119.184122] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 119.184129] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 119.184137] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 119.184145] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 119.184153] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 executing program executing program [ 119.184161] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 119.184168] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 [ 119.184182] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 119.184189] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 119.184199] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 119.232817] lowmemorykiller: Killing 'syz-executor793' (3954) (tgid 3954), adj 1000, [ 119.232817] to free 12172kB on behalf of 'syz-executor793' (2103) because [ 119.232817] cache 26412kB is below limit 65536kB for oom_score_adj 12 executing program [ 119.232817] Free memory is -13308kB above reserved [ 119.283733] lowmemorykiller: Killing 'syz-executor793' (3960) (tgid 3960), adj 1000, [ 119.283733] to free 12172kB on behalf of 'syz-executor793' (4479) because [ 119.283733] cache 26224kB is below limit 65536kB for oom_score_adj 12 [ 119.283733] Free memory is -13344kB above reserved [ 119.286558] lowmemorykiller: Killing 'syz-executor793' (3969) (tgid 3969), adj 1000, [ 119.286558] to free 12172kB on behalf of 'syz-executor793' (4479) because executing program executing program [ 119.286558] cache 26124kB is below limit 65536kB for oom_score_adj 12 [ 119.286558] Free memory is -13344kB above reserved [ 119.350797] lowmemorykiller: Killing 'syz-executor793' (3972) (tgid 3972), adj 1000, [ 119.350797] to free 12172kB on behalf of 'syz-executor793' (4482) because [ 119.350797] cache 25852kB is below limit 65536kB for oom_score_adj 12 [ 119.350797] Free memory is -13252kB above reserved [ 119.420579] lowmemorykiller: Killing 'syz-executor793' (3975) (tgid 3975), adj 1000, [ 119.420579] to free 12172kB on behalf of 'syz-executor793' (4488) because [ 119.420579] cache 25652kB is below limit 65536kB for oom_score_adj 12 [ 119.420579] Free memory is -13424kB above reserved [ 119.453479] lowmemorykiller: Killing 'syz-executor793' (3987) (tgid 3987), adj 1000, [ 119.453479] to free 12172kB on behalf of 'syz-executor793' (4488) because [ 119.453479] cache 25452kB is below limit 65536kB for oom_score_adj 12 executing program executing program [ 119.453479] Free memory is -13376kB above reserved [ 119.463466] lowmemorykiller: Killing 'syz-executor793' (3990) (tgid 3990), adj 1000, [ 119.463466] to free 12172kB on behalf of 'syz-executor793' (4488) because [ 119.463466] cache 25452kB is below limit 65536kB for oom_score_adj 12 [ 119.463466] Free memory is 4100kB above reserved [ 119.464227] lowmemorykiller: Killing 'syz-executor793' (4002) (tgid 4002), adj 1000, executing program executing program [ 119.464227] to free 12172kB on behalf of 'syz-executor793' (4488) because [ 119.464227] cache 25652kB is below limit 65536kB for oom_score_adj 12 [ 119.464227] Free memory is 11100kB above reserved [ 119.603457] lowmemorykiller: Killing 'syz-executor793' (4029) (tgid 4029), adj 1000, [ 119.603457] to free 12172kB on behalf of 'syz-executor793' (4497) because [ 119.603457] cache 25284kB is below limit 65536kB for oom_score_adj 12 [ 119.603457] Free memory is -13268kB above reserved executing program [ 119.613498] lowmemorykiller: Killing 'syz-executor793' (4041) (tgid 4041), adj 1000, [ 119.613498] to free 12172kB on behalf of 'syz-executor793' (4497) because [ 119.613498] cache 25284kB is below limit 65536kB for oom_score_adj 12 [ 119.613498] Free memory is -10208kB above reserved [ 119.615675] lowmemorykiller: Killing 'syz-executor793' (4044) (tgid 4044), adj 1000, [ 119.615675] to free 12172kB on behalf of 'syz-executor793' (4497) because [ 119.615675] cache 25284kB is below limit 65536kB for oom_score_adj 12 [ 119.615675] Free memory is -2708kB above reserved [ 119.724537] lowmemorykiller: Killing 'syz-executor793' (4047) (tgid 4047), adj 1000, [ 119.724537] to free 12172kB on behalf of 'syz-executor793' (4506) because [ 119.724537] cache 25100kB is below limit 65536kB for oom_score_adj 12 [ 119.724537] Free memory is -13392kB above reserved [ 119.734558] lowmemorykiller: Killing 'syz-executor793' (4050) (tgid 4050), adj 1000, [ 119.734558] to free 12172kB on behalf of 'syz-executor793' (4506) because [ 119.734558] cache 25100kB is below limit 65536kB for oom_score_adj 12 executing program [ 119.734558] Free memory is -11192kB above reserved [ 119.735160] lowmemorykiller: Killing 'syz-executor793' (4053) (tgid 4053), adj 1000, [ 119.735160] to free 12172kB on behalf of 'syz-executor793' (4506) because [ 119.735160] cache 25100kB is below limit 65536kB for oom_score_adj 12 [ 119.735160] Free memory is -3192kB above reserved [ 119.841492] lowmemorykiller: Killing 'syz-executor793' (4056) (tgid 4056), adj 1000, [ 119.841492] to free 12172kB on behalf of 'syz-executor793' (4515) because [ 119.841492] cache 24916kB is below limit 65536kB for oom_score_adj 12 executing program [ 119.841492] Free memory is -13396kB above reserved [ 119.853476] lowmemorykiller: Killing 'syz-executor793' (4062) (tgid 4062), adj 1000, [ 119.853476] to free 12172kB on behalf of 'syz-executor793' (4515) because [ 119.853476] cache 24916kB is below limit 65536kB for oom_score_adj 12 [ 119.853476] Free memory is -13396kB above reserved [ 119.853922] lowmemorykiller: Killing 'syz-executor793' (4066) (tgid 4066), adj 1000, [ 119.853922] to free 12172kB on behalf of 'syz-executor793' (4515) because executing program [ 119.853922] cache 24916kB is below limit 65536kB for oom_score_adj 12 [ 119.853922] Free memory is 6292kB above reserved [ 119.956734] lowmemorykiller: Killing 'syz-executor793' (4069) (tgid 4069), adj 1000, [ 119.956734] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.956734] cache 24732kB is below limit 65536kB for oom_score_adj 12 [ 119.956734] Free memory is -13324kB above reserved [ 119.965694] lowmemorykiller: Killing 'syz-executor793' (4072) (tgid 4072), adj 1000, executing program [ 119.965694] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.965694] cache 24732kB is below limit 65536kB for oom_score_adj 12 [ 119.965694] Free memory is -10924kB above reserved [ 119.973537] lowmemorykiller: Killing 'syz-executor793' (4075) (tgid 4075), adj 1000, [ 119.973537] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.973537] cache 24732kB is below limit 65536kB for oom_score_adj 12 [ 119.973537] Free memory is -4924kB above reserved executing program [ 119.974147] lowmemorykiller: Killing 'syz-executor793' (4078) (tgid 4078), adj 1000, [ 119.974147] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.974147] cache 24732kB is below limit 65536kB for oom_score_adj 12 [ 119.974147] Free memory is -524kB above reserved [ 119.981694] lowmemorykiller: Killing 'syz-executor793' (4081) (tgid 4081), adj 1000, [ 119.981694] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.981694] cache 24632kB is below limit 65536kB for oom_score_adj 12 executing program [ 119.981694] Free memory is 6676kB above reserved [ 119.985808] lowmemorykiller: Killing 'syz-executor793' (4084) (tgid 4084), adj 1000, [ 119.985808] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 119.985808] cache 24632kB is below limit 65536kB for oom_score_adj 12 [ 119.985808] Free memory is 6552kB above reserved [ 119.996717] lowmemorykiller: Killing 'syz-executor793' (4087) (tgid 4087), adj 1000, [ 119.996717] to free 12172kB on behalf of 'syz-executor793' (4524) because executing program [ 119.996717] cache 24532kB is below limit 65536kB for oom_score_adj 12 [ 119.996717] Free memory is 10352kB above reserved [ 120.004636] lowmemorykiller: Killing 'syz-executor793' (4090) (tgid 4090), adj 1000, [ 120.004636] to free 12172kB on behalf of 'syz-executor793' (4524) because [ 120.004636] cache 24532kB is below limit 65536kB for oom_score_adj 12 [ 120.004636] Free memory is 27836kB above reserved executing program [ 120.261856] lowmemorykiller: Killing 'syz-executor793' (4093) (tgid 4093), adj 1000, [ 120.261856] to free 12172kB on behalf of 'syz-executor793' (4548) because [ 120.261856] cache 24648kB is below limit 65536kB for oom_score_adj 12 [ 120.261856] Free memory is -13244kB above reserved [ 120.261862] BUG: sleeping function called from invalid context at kernel/fork.c:903 [ 120.261867] in_atomic(): 0, irqs_disabled(): 0, pid: 4548, name: syz-executor793 [ 120.261869] INFO: lockdep is turned off. [ 120.261883] Preemption disabled at: executing program executing program [ 120.261884] [<00000000892b4196>] get_task_mm+0x20/0xc0 [ 120.261894] CPU: 1 PID: 4548 Comm: syz-executor793 Tainted: G W 4.9.180+ #3 [ 120.261907] ffff880049297018 ffffffff81b577f1 0000000000000000 0000000000000001 [ 120.261917] ffff88004925df00 ffffffff810d0c30 ffff88004925df00 ffff880049297050 [ 120.261932] ffffffff8140008c ffff88004925df00 ffffffff82a39900 0000000000000387 [ 120.261934] Call Trace: [ 120.261945] [<00000000e5b6a96c>] dump_stack+0xc1/0x120 executing program [ 120.261953] [<00000000892b4196>] ? get_task_mm+0x20/0xc0 [ 120.261962] [<000000003346df05>] ___might_sleep.cold+0x1c1/0x1fa [ 120.261972] [<00000000f46d27a6>] __might_sleep+0x95/0x1a0 [ 120.261979] [<000000006f5d4197>] mmput+0x28/0x370 [ 120.261989] [<00000000131b3afa>] handle_lmk_event+0xea/0x8a0 [ 120.261996] [<00000000e6a14188>] lowmem_scan+0x695/0xb50 [ 120.262007] [<000000002e0e5d25>] shrink_slab.part.0+0x3cf/0xa20 [ 120.262016] [<0000000098f9cb31>] ? unregister_shrinker+0x230/0x230 executing program [ 120.262024] [<000000006d0a03e1>] shrink_node+0x1ed/0x750 [ 120.262034] [<00000000d9ab6708>] ? shrink_node_memcg.isra.0+0x1360/0x1360 [ 120.262043] [<00000000c620c57c>] ? __delayacct_freepages_start+0x41/0x80 [ 120.262052] [<00000000a28d8827>] try_to_free_pages+0x397/0xbd0 [ 120.262060] [<00000000d31ffd43>] ? shrink_node+0x750/0x750 executing program executing program [ 120.262069] [<000000002b016e87>] __alloc_pages_nodemask+0x930/0x1a80 [ 120.262077] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 120.262086] [<00000000c5a7016c>] ? __radix_tree_lookup+0x183/0x220 [ 120.262095] [<00000000917ad8a8>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 120.262103] [<00000000382e1cd2>] ? __radix_tree_lookup+0x220/0x220 [ 120.262110] [<00000000baa4126b>] ? find_get_entry+0x2a9/0x510 [ 120.262118] [<000000007e411e52>] ? find_get_entry+0x2d0/0x510 [ 120.262125] [<0000000023861406>] ? page_cache_prev_hole+0x80/0x80 executing program executing program [ 120.262133] [<00000000cbc87648>] ? find_lock_entry+0xdd/0x200 [ 120.262142] [<00000000bead42d7>] shmem_getpage_gfp+0x3f3/0x1b00 [ 120.262151] [<0000000035e854e5>] ? __shmem_file_setup.part.0+0x420/0x420 [ 120.262158] [<00000000acc3060e>] ? trace_hardirqs_on+0x10/0x10 [ 120.262166] [<0000000024cb10e4>] shmem_fault+0x216/0x6b0 [ 120.262182] [<00000000bb07d30b>] ? shmem_read_mapping_page_gfp+0x190/0x190 executing program [ 120.262190] [<00000000f20691f6>] ? filemap_map_pages+0x813/0xc30 [ 120.262199] [<000000004a20a813>] __do_fault+0x2a8/0x6c0 [ 120.262206] [<000000006f22cbe2>] ? do_page_mkwrite+0x400/0x400 [ 120.262214] [<00000000cafc6483>] ? handle_mm_fault+0x1ba8/0x2420 [ 120.262222] [<0000000093f2f5e1>] handle_mm_fault+0x11bc/0x2420 [ 120.262230] [<00000000f1708d30>] ? vm_insert_page+0x840/0x840 [ 120.262236] [<00000000e9e85818>] ? follow_page_mask+0x583/0xf20 [ 120.262243] [<000000001db7758d>] ? follow_page_mask+0x5e5/0xf20 [ 120.262251] [<00000000f98dabeb>] ? follow_page_mask+0x38a/0xf20 executing program [ 120.262259] [<0000000020506933>] ? debug_lockdep_rcu_enabled+0x26/0xa0 [ 120.262266] [<00000000fc967581>] __get_user_pages+0x3c7/0x1060 [ 120.262274] [<0000000045573632>] ? uprobe_mmap+0xe8/0xa20 [ 120.262281] [<000000001b1c510b>] ? follow_page_mask+0xf20/0xf20 [ 120.262288] [<00000000f6f1cb0e>] ? memset+0x32/0x40 [ 120.262296] [<00000000a6165207>] populate_vma_page_range+0x19a/0x230 [ 120.262303] [<00000000e0cd2216>] __mm_populate+0x1b9/0x300 [ 120.262311] [<000000005eee4605>] ? populate_vma_page_range+0x230/0x230 executing program executing program [ 120.262318] [<00000000376ed9e2>] ? vm_mmap_pgoff+0x188/0x1c0 [ 120.262325] [<000000009d1b33dd>] ? do_mmap+0x594/0xbc0 [ 120.262332] [<000000006cbba76f>] vm_mmap_pgoff+0x1aa/0x1c0 [ 120.262340] [<000000006ce82871>] ? vma_is_stack_for_current+0xa0/0xa0 [ 120.262348] [<00000000905b890b>] ? do_futex+0x1a70/0x1a70 [ 120.262356] [<0000000065f2dbab>] ? __do_page_fault+0x545/0xa60 [ 120.262364] [<00000000c88c9c6b>] SyS_mmap_pgoff+0x14d/0x1b0 [ 120.262372] [<00000000b4aae69b>] ? align_vdso_addr+0x60/0x60 [ 120.262378] [<000000002860673d>] SyS_mmap+0x16/0x20 [ 120.262385] [<000000003163f750>] do_syscall_64+0x1ad/0x5c0 [ 120.262395] [<00000000dfcb97ec>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 120.313426] lowmemorykiller: Killing 'syz-executor793' (4096) (tgid 4096), adj 1000, [ 120.313426] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.313426] cache 24380kB is below limit 65536kB for oom_score_adj 12 [ 120.313426] Free memory is -13320kB above reserved executing program [ 120.325719] lowmemorykiller: Killing 'syz-executor793' (4099) (tgid 4099), adj 1000, [ 120.325719] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.325719] cache 24380kB is below limit 65536kB for oom_score_adj 12 [ 120.325719] Free memory is -11120kB above reserved [ 120.333438] lowmemorykiller: Killing 'syz-executor793' (4102) (tgid 4102), adj 1000, [ 120.333438] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.333438] cache 24380kB is below limit 65536kB for oom_score_adj 12 [ 120.333438] Free memory is 280kB above reserved executing program [ 120.333969] lowmemorykiller: Killing 'syz-executor793' (4105) (tgid 4105), adj 1000, [ 120.333969] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.333969] cache 24380kB is below limit 65536kB for oom_score_adj 12 [ 120.333969] Free memory is 4580kB above reserved [ 120.353654] lowmemorykiller: Killing 'syz-executor793' (4108) (tgid 4108), adj 1000, [ 120.353654] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.353654] cache 24180kB is below limit 65536kB for oom_score_adj 12 [ 120.353654] Free memory is 8980kB above reserved [ 120.354203] lowmemorykiller: Killing 'syz-executor793' (4111) (tgid 4111), adj 1000, executing program executing program [ 120.354203] to free 12172kB on behalf of 'syz-executor793' (4551) because [ 120.354203] cache 24224kB is below limit 65536kB for oom_score_adj 12 [ 120.354203] Free memory is 31844kB above reserved [ 120.555614] lowmemorykiller: Killing 'syz-executor793' (4114) (tgid 4114), adj 1000, [ 120.555614] to free 12172kB on behalf of 'syz-executor793' (4569) because [ 120.555614] cache 24224kB is below limit 65536kB for oom_score_adj 12 [ 120.555614] Free memory is -13300kB above reserved executing program executing program [ 120.563437] lowmemorykiller: Killing 'syz-executor793' (4117) (tgid 4117), adj 1000, [ 120.563437] to free 12172kB on behalf of 'syz-executor793' (4569) because [ 120.563437] cache 24224kB is below limit 65536kB for oom_score_adj 12 [ 120.563437] Free memory is -10600kB above reserved [ 120.563926] lowmemorykiller: Killing 'syz-executor793' (4120) (tgid 4120), adj 1000, [ 120.563926] to free 12172kB on behalf of 'syz-executor793' (4569) because [ 120.563926] cache 24224kB is below limit 65536kB for oom_score_adj 12 [ 120.563926] Free memory is -5500kB above reserved executing program [ 120.692778] lowmemorykiller: Killing 'syz-executor793' (4123) (tgid 4123), adj 1000, [ 120.692778] to free 12172kB on behalf of 'syz-executor793' (4578) because [ 120.692778] cache 24056kB is below limit 65536kB for oom_score_adj 12 [ 120.692778] Free memory is -13360kB above reserved [ 120.721935] lowmemorykiller: Killing 'syz-executor793' (4126) (tgid 4126), adj 1000, [ 120.721935] to free 12172kB on behalf of 'syz-executor793' (4578) because [ 120.721935] cache 23856kB is below limit 65536kB for oom_score_adj 12 [ 120.721935] Free memory is -13332kB above reserved executing program [ 120.733500] lowmemorykiller: Killing 'syz-executor793' (4129) (tgid 4129), adj 1000, [ 120.733500] to free 12172kB on behalf of 'syz-executor793' (4578) because [ 120.733500] cache 23856kB is below limit 65536kB for oom_score_adj 12 [ 120.733500] Free memory is -13232kB above reserved [ 120.734148] lowmemorykiller: Killing 'syz-executor793' (4132) (tgid 4132), adj 1000, executing program [ 120.734148] to free 12172kB on behalf of 'syz-executor793' (4578) because [ 120.734148] cache 23956kB is below limit 65536kB for oom_score_adj 12 [ 120.734148] Free memory is 820kB above reserved [ 120.734440] lowmemorykiller: Killing 'syz-executor793' (4135) (tgid 4135), adj 1000, [ 120.734440] to free 12172kB on behalf of 'syz-executor793' (4578) because [ 120.734440] cache 23956kB is below limit 65536kB for oom_score_adj 12 [ 120.734440] Free memory is 1720kB above reserved executing program executing program [ 120.903495] lowmemorykiller: Killing 'syz-executor793' (4138) (tgid 4138), adj 1000, [ 120.903495] to free 12172kB on behalf of 'syz-executor793' (4593) because [ 120.903495] cache 23720kB is below limit 65536kB for oom_score_adj 12 [ 120.903495] Free memory is -13336kB above reserved [ 120.911511] lowmemorykiller: Killing 'syz-executor793' (4141) (tgid 4141), adj 1000, executing program [ 120.911511] to free 12172kB on behalf of 'syz-executor793' (4593) because [ 120.911511] cache 23720kB is below limit 65536kB for oom_score_adj 12 [ 120.911511] Free memory is -3736kB above reserved [ 120.912134] lowmemorykiller: Killing 'syz-executor793' (4144) (tgid 4144), adj 1000, [ 120.912134] to free 12172kB on behalf of 'syz-executor793' (4593) because [ 120.912134] cache 23720kB is below limit 65536kB for oom_score_adj 12 [ 120.912134] Free memory is 1264kB above reserved executing program [ 121.026294] lowmemorykiller: Killing 'syz-executor793' (4147) (tgid 4147), adj 1000, [ 121.026294] to free 12172kB on behalf of 'syz-executor793' (4602) because [ 121.026294] cache 23552kB is below limit 65536kB for oom_score_adj 12 [ 121.026294] Free memory is -13348kB above reserved [ 121.099758] lowmemorykiller: Killing 'syz-executor793' (4150) (tgid 4150), adj 1000, [ 121.099758] to free 12172kB on behalf of 'syz-executor793' (4608) because [ 121.099758] cache 23452kB is below limit 65536kB for oom_score_adj 12 [ 121.099758] Free memory is -13304kB above reserved executing program [ 121.133467] lowmemorykiller: Killing 'syz-executor793' (4153) (tgid 4153), adj 1000, [ 121.133467] to free 12172kB on behalf of 'syz-executor793' (4608) because [ 121.133467] cache 23252kB is below limit 65536kB for oom_score_adj 12 [ 121.133467] Free memory is -13452kB above reserved [ 121.144587] lowmemorykiller: Killing 'syz-executor793' (4156) (tgid 4156), adj 1000, [ 121.144587] to free 12172kB on behalf of 'syz-executor793' (4608) because [ 121.144587] cache 23252kB is below limit 65536kB for oom_score_adj 12 executing program [ 121.144587] Free memory is 2108kB above reserved [ 121.145130] lowmemorykiller: Killing 'syz-executor793' (4159) (tgid 4159), adj 1000, [ 121.145130] to free 12172kB on behalf of 'syz-executor793' (4608) because [ 121.145130] cache 23252kB is below limit 65536kB for oom_score_adj 12 [ 121.145130] Free memory is 11620kB above reserved [ 121.283470] lowmemorykiller: Killing 'syz-executor793' (4162) (tgid 4162), adj 1000, executing program