0x082949e4 in number (buf=0x434dfb21 "/K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", end=0x434dfb22 "K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", num=597699752268362946, spec=...) at lib/vsprintf.c:381
381	char *number(char *buf, char *end, unsigned long long num,
#0  0x082949e4 in number (buf=0x434dfb21 "/K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", end=0x434dfb22 "K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", num=597699752268362946, spec=...) at lib/vsprintf.c:381
#1  0x08295ef7 in vsnprintf (buf=0x434dfb1c "+0x52/K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", size=2147483647, fmt=0x84b74c2 "", args=0x434dfad0 "\t\373MC") at lib/vsprintf.c:1740
#2  0x08296547 in sprintf (buf=0x434dfb22 "K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", fmt=0x434dfb22 "K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b") at lib/vsprintf.c:1875
#3  0x080b76cf in __sprint_symbol (buffer=0x434dfb09 "io_schedule_timeout+0x52/K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", address=3276667675, symbol_offset=1, add_offset=1) at kernel/kallsyms.c:374
#4  0x080b781a in sprint_symbol (buffer=0x434dfb09 "io_schedule_timeout+0x52/K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", address=138503010) at kernel/kallsyms.c:395
#5  0x080b787f in __print_symbol (fmt=0x434dfb22 "K\b\225\036`\b\243^K\b\243^K\bD\373MC\210\247\t\b", address=1129184034) at kernel/kallsyms.c:440
#6  0x08078200 in print_symbol (fmt=<optimized out>, addr=<optimized out>) at include/linux/kallsyms.h:119
#7  print_context_stack (ebp=<optimized out>, tinfo=<optimized out>, stack=<optimized out>) at arch/x86/um/sysrq_32.c:54
#8  show_trace (task=0x434dfffd, stack=0x434dfc44) at arch/x86/um/sysrq_32.c:95
#9  0x0805fb6f in show_stack (task=0x0, esp=0x434dfc44) at arch/um/kernel/sysrq.c:65
#10 0x08413ae6 in __dump_stack () at lib/dump_stack.c:15
#11 dump_stack () at lib/dump_stack.c:60
#12 0x08414981 in schedule_timeout (timeout=-4028) at kernel/timer.c:1460
#13 0x08416362 in io_schedule_timeout (timeout=1129184034) at kernel/sched/core.c:3992
#14 0x08411c31 in balance_dirty_pages (pages_dirtied=17, mapping=<optimized out>) at mm/page-writeback.c:1519
#15 0x080d1ce4 in balance_dirty_pages_ratelimited (mapping=0x60) at mm/page-writeback.c:1653
#16 0x080e2d0c in __do_fault (mm=0x47f24400, vma=0x442095d8, address=1080451072, pmd=0x434dfb22, pgoff=1129184034, flags=1155011416, orig_pte=<incomplete type>) at mm/memory.c:3452
#17 0x080e5286 in do_nonlinear_fault (orig_pte=..., flags=<optimized out>, pmd=<optimized out>, address=<optimized out>, vma=<optimized out>, mm=<optimized out>, page_table=<optimized out>) at mm/memory.c:3518
#18 handle_pte_fault (flags=<optimized out>, pmd=<optimized out>, pte=<optimized out>, address=<optimized out>, vma=<optimized out>, mm=<optimized out>) at mm/memory.c:3717
#19 __handle_mm_fault (flags=<optimized out>, address=<optimized out>, vma=<optimized out>, mm=<optimized out>) at mm/memory.c:3845
#20 handle_mm_fault (mm=0x47f24400, vma=0x442095d8, address=1080451072, flags=1) at mm/memory.c:3868
#21 0x080e5a07 in __get_user_pages (tsk=0x46e23600, mm=0x47f24400, start=1080451072, nr_pages=65, gup_flags=519, pages=0x46f34d20, vmas=0x0, nonblocking=0x0) at mm/memory.c:1822
#22 0x080e5cc3 in get_user_pages (tsk=0x434dfb22, mm=0x434dfb22, start=1129184034, nr_pages=1129184034, write=1, force=0, pages=0xc34dfb1b, vmas=0x60) at mm/memory.c:2019
#23 0x08140cce in aio_setup_ring (ctx=<optimized out>) at fs/aio.c:317
#24 ioctx_alloc (nr_events=<optimized out>) at fs/aio.c:582
#25 SYSC_io_setup (ctxp=<optimized out>, nr_events=<optimized out>) at fs/aio.c:1100
#26 SyS_io_setup (nr_events=4095, ctxp=1076256768) at fs/aio.c:1083
#27 0x080619c2 in handle_syscall (r=0x46e237d4) at arch/um/kernel/skas/syscall.c:35
#28 0x08073f2d in handle_trap (local_using_sysemu=<optimized out>, regs=<optimized out>, pid=<optimized out>) at arch/um/os-Linux/skas/process.c:198
#29 userspace (regs=0x46e237d4) at arch/um/os-Linux/skas/process.c:431
#30 0x0805e6ac in fork_handler () at arch/um/kernel/process.c:160
#31 0x00000000 in ?? ()