Question

segmentation fault when calling brk() and printf()

score 106 · Answer 1 · 2023-07-01T22:31:57.463000

106

Views

segmentation fault when calling brk() and printf()

Published on 01 July 2023 at 22:31

score 41 · Answer 2 · 2023-05-12T11:27:55.847000

41

Views

Can the pointer returned by sys _brk overlap the stack on Linux?

Published on 12 May 2023 at 11:27

score 320 · Answer 3 · 2023-02-22T06:03:06.710000

320

Views

In what circumstances can malloc_trim(0) cause a crash?

Published on 22 February 2023 at 06:03

score 142 · Answer 4 · 2023-02-22T02:14:12.583000

142

Views

Why using both malloc/calloc/realloc and brk functions will results in undefined behavior?

Published on 22 February 2023 at 02:14

score 277 · Answer 5 · 2023-01-29T08:55:44.293000

277

Views

Too many brk() noticed in strace

Published on 29 January 2023 at 08:55

score 115 · Answer 6 · 2022-08-11T18:33:18.277000

115

Views

Heap break will not change after free()?

Published on 11 August 2022 at 18:33

score 101 · Answer 7 · 2022-08-11T09:11:08.457000

101

Views

Memory allocation of program without any allocation syscalls

Published on 11 August 2022 at 09:11

score 80 · Answer 8 · 2022-08-05T06:47:38.973000

80

Views

Problems with malloc

Published on 05 August 2022 at 06:47

score 100 · Answer 9 · 2022-06-21T23:51:46.913000

100

Views

Why are user processes responsible for requesting memory from the OS?

Published on 21 June 2022 at 23:51

score 192 · Answer 10 · 2021-03-10T03:40:12.560000

192

Views

Can I enforce sbrk return address to be within a certain specific range?

Published on 10 March 2021 at 03:40

score 1.2k · Answer 11 · 2021-01-28T05:08:37.463000

1.2k

Views

Will malloc round up to the nearest page size?

Published on 28 January 2021 at 05:08

score 480 · Answer 12 · 2020-04-29T22:24:56.627000

480

Views

Own Malloc implementation freeze at brk

Published on 29 April 2020 at 22:24

score 1k · Answer 13 · 2020-02-10T01:16:00.273000

1k

Views

Need to align memory on a power of 2 and align the program break on a multiple of 2 * getpagesize() in C

Published on 10 February 2020 at 01:16

score 96 · Answer 14 · 2020-01-14T08:25:50.673000

96

Views

Why isn't argument of brk(void *end_data_segment), rounded up to the next page boundary?

Published on 14 January 2020 at 08:25

score 89 · Answer 15 · 2020-01-11T13:24:01.117000

89

Views

why do the argument of function brk() is void* and not int type?

Published on 11 January 2020 at 13:24

score 378 · Answer 16 · 2019-12-17T06:28:37.360000

378

Views

In which case, echo can append the NULL characters unexpectedly

Published on 17 December 2019 at 06:28

score 430 · Answer 17 · 2019-10-14T08:52:54.807000

430

Views

Linux: brk() error 'Cannot allocate memory'

Published on 14 October 2019 at 08:52

score 4k · Answer 18 · 2019-09-13T06:28:20.500000

4k

Views

who is calling the brk(NULL) and why?

Published on 13 September 2019 at 06:28

score 222 · Answer 19 · 2019-05-09T19:11:37.280000

222

Views

assembly x86 allocating array of structs dynamically using system calls

Published on 09 May 2019 at 19:11

score 16.1k · Answer 20 · 2019-04-19T22:35:05.827000

16.1k

Views

In malloc, why use brk at all? Why not just use mmap?

Published on 19 April 2019 at 22:35

List Question

segmentation fault when calling brk() and printf()

Can the pointer returned by sys _brk overlap the stack on Linux?

In what circumstances can malloc_trim(0) cause a crash?

Why using both malloc/calloc/realloc and brk functions will results in undefined behavior?

Too many brk() noticed in strace

Heap break will not change after free()?

Memory allocation of program without any allocation syscalls

Problems with malloc

Why are user processes responsible for requesting memory from the OS?

Can I enforce sbrk return address to be within a certain specific range?

Will malloc round up to the nearest page size?

Own Malloc implementation freeze at brk

Need to align memory on a power of 2 and align the program break on a multiple of 2 * getpagesize() in C

Why isn't argument of brk(void *end_data_segment), rounded up to the next page boundary?

why do the argument of function brk() is void* and not int type?

In which case, echo can append the NULL characters unexpectedly

Linux: brk() error 'Cannot allocate memory'

who is calling the brk(NULL) and why?

assembly x86 allocating array of structs dynamically using system calls

In malloc, why use brk at all? Why not just use mmap?

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