Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 dump_header+0x2cc/0x16f0 mm/oom_kill.c:437 ================================================================== BUG: KMSAN: uninit-value in core_kernel_text kernel/extable.c:77 [inline] BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 kernel/extable.c:127 CPU: 0 PID: 3457 Comm: rsyslogd Not tainted 4.16.0+ #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14a/0x1d0 lib/dump_stack.c:53 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676 core_kernel_text kernel/extable.c:77 [inline] kernel_text_address+0x248/0x3a0 kernel/extable.c:127 __kernel_text_address+0x34/0xe0 kernel/extable.c:107 show_trace_log_lvl+0x954/0x1030 arch/x86/kernel/dumpstack.c:175 show_stack+0xfc/0x150 arch/x86/kernel/dumpstack.c:236 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 dump_header+0x2cc/0x16f0 mm/oom_kill.c:437 oom_kill_process+0x341/0x2160 mm/oom_kill.c:866 out_of_memory+0x1700/0x1da0 mm/oom_kill.c:1080 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4116 [inline] __alloc_pages_nodemask+0x4ee3/0x5dc0 mm/page_alloc.c:4272 alloc_pages_current+0x6b5/0x970 mm/mempolicy.c:2055 alloc_pages include/linux/gfp.h:494 [inline] __page_cache_alloc+0x95/0x320 mm/filemap.c:945 page_cache_read mm/filemap.c:2387 [inline] filemap_fault+0x1618/0x24e0 mm/filemap.c:2571 ext4_filemap_fault+0xbb/0x130 fs/ext4/inode.c:6177 __do_fault mm/memory.c:3238 [inline] do_read_fault mm/memory.c:3648 [inline] do_fault mm/memory.c:3748 [inline] handle_pte_fault mm/memory.c:3979 [inline] __handle_mm_fault mm/memory.c:4103 [inline] handle_mm_fault+0x58fe/0x7ba0 mm/memory.c:4140 __do_page_fault+0xec4/0x1a10 arch/x86/mm/fault.c:1423 do_page_fault+0xd3/0x260 arch/x86/mm/fault.c:1500 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1151 RIP: 0033:0x7fc5f6d421fd RSP: 002b:00007fc5f42e1e30 EFLAGS: 00010293 RAX: 0000000000000071 RBX: 0000000000c37ce0 RCX: 00007fc5f6d421fd RDX: 0000000000000fff RSI: 00007fc5f5b165a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000c23260 R09: 0000000004000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fc5f42e29c0 R14: 00007fc5f7387040 R15: 0000000000000003 Local variable description: ----c.i.i.i.i.i@mem_cgroup_soft_limit_reclaim Variable was created at: mem_cgroup_soft_limit_reclaim+0x13f/0x2480 mm/memcontrol.c:2496 shrink_zones mm/vmscan.c:2716 [inline] do_try_to_free_pages+0xda1/0x1f80 mm/vmscan.c:2790 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3457 Comm: rsyslogd Tainted: G B 4.16.0+ #81 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14a/0x1d0 lib/dump_stack.c:53 panic+0x39d/0x940 kernel/panic.c:183 kmsan_report+0x238/0x240 mm/kmsan/kmsan.c:1083 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676 core_kernel_text kernel/extable.c:77 [inline] kernel_text_address+0x248/0x3a0 kernel/extable.c:127 __kernel_text_address+0x34/0xe0 kernel/extable.c:107 show_trace_log_lvl+0x954/0x1030 arch/x86/kernel/dumpstack.c:175 show_stack+0xfc/0x150 arch/x86/kernel/dumpstack.c:236 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 dump_header+0x2cc/0x16f0 mm/oom_kill.c:437 oom_kill_process+0x341/0x2160 mm/oom_kill.c:866 out_of_memory+0x1700/0x1da0 mm/oom_kill.c:1080 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline] __alloc_pages_slowpath mm/page_alloc.c:4116 [inline] __alloc_pages_nodemask+0x4ee3/0x5dc0 mm/page_alloc.c:4272 alloc_pages_current+0x6b5/0x970 mm/mempolicy.c:2055 alloc_pages include/linux/gfp.h:494 [inline] __page_cache_alloc+0x95/0x320 mm/filemap.c:945 page_cache_read mm/filemap.c:2387 [inline] filemap_fault+0x1618/0x24e0 mm/filemap.c:2571 ext4_filemap_fault+0xbb/0x130 fs/ext4/inode.c:6177 __do_fault mm/memory.c:3238 [inline] do_read_fault mm/memory.c:3648 [inline] do_fault mm/memory.c:3748 [inline] handle_pte_fault mm/memory.c:3979 [inline] __handle_mm_fault mm/memory.c:4103 [inline] handle_mm_fault+0x58fe/0x7ba0 mm/memory.c:4140 __do_page_fault+0xec4/0x1a10 arch/x86/mm/fault.c:1423 do_page_fault+0xd3/0x260 arch/x86/mm/fault.c:1500 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1151 RIP: 0033:0x7fc5f6d421fd RSP: 002b:00007fc5f42e1e30 EFLAGS: 00010293 RAX: 0000000000000071 RBX: 0000000000c37ce0 RCX: 00007fc5f6d421fd RDX: 0000000000000fff RSI: 00007fc5f5b165a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000c23260 R09: 0000000004000001 syz-executor6: vmalloc: allocation failure, allocated 848527360 of 6277406720 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fc5f42e29c0 R14: 00007fc5f7387040 R15: 0000000000000003 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..