369647 pages reserved 0 pages cma reserved ------------[ cut here ]------------ lowmem_reserve[]: 0 0 0 0 0 memory commitment underflow WARNING: CPU: 0 PID: 1 at mm/util.c:668 __vm_enough_memory+0x516/0x650 mm/util.c:668 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 0*32kB 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 2*4096kB (M) = 10884kB Kernel panic - not syncing: panic_on_warn set ... Node 0 DMA32: 2462*4kB (UME) 1853*8kB (UME) 226*16kB (UME) 91*32kB (UM) 9*64kB (U) 4*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 35*2048kB (M) 4*4096kB (M) = 121120kB CPU: 0 PID: 1 Comm: systemd Not tainted 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 18*4kB (UME) 14*8kB (UME) 11*16kB (UME) 11*32kB (UM) 12*64kB (UM) 12*128kB (UME) 7*256kB (UME) 7*512kB (UM) 2*1024kB (UM) 5*2048kB (UM) 48*4096kB (UM) = 217288kB __warn.cold+0x20/0x5a kernel/panic.c:541 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__vm_enough_memory+0x516/0x650 mm/util.c:668 Code: 09 31 ff 89 de e8 0a f1 db ff 84 db 0f 85 a9 fb ff ff e8 cd ef db ff 48 c7 c7 a0 e7 71 88 c6 05 db 02 88 09 01 e8 fa 4d 6b 06 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 RSP: 0018:ffff8880b5a07b90 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dfc91 RDI: ffffed1016b40f64 31399 total pagecache pages RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000000036c0 0 pages in swap cache R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffffffed37cc R14: ffffffff8a009a20 R15: 0000000000000d2b dup_mmap kernel/fork.c:485 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.0+0x3414/0x8260 kernel/fork.c:1912 Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB copy_process kernel/fork.c:1709 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2218 Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369647 pages reserved do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f345e08638b 0 pages cma reserved Code: db 45 85 f6 0f 85 95 01 00 00 64 4c 8b 04 25 10 00 00 00 31 d2 4d 8d 90 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 de 00 00 00 85 c0 41 89 c5 0f 85 e5 00 00 Out of memory (oom_kill_allocating_task): Kill process 19178 (syz-fuzzer) score 0 or sacrifice child RSP: 002b:00007fffc9c4c770 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fffc9c4c770 RCX: 00007f345e08638b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fffc9c4c7c0 R08: 00007f345fae0500 R09: 0000000000000000 R10: 00007f345fae07d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000001 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..