syzbot


BUG: Bad page map (2)

Status: closed as invalid on 2018/09/05 12:51
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 1548d, last: 1492d
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: Bad page map (3) 1 80d 80d 0/1 upstream: reported on 2022/07/18 21:41
upstream BUG: Bad page map (5) C 25 5h57m 158d 1/24 upstream: reported C repro on 2022/05/01 09:02
linux-4.19 BUG: Bad page map (2) 10 266d 447d 0/1 auto-closed as invalid on 2022/05/13 11:22
upstream BUG: Bad page map 1 1551d 1551d 0/24 closed as invalid on 2018/07/08 13:28
upstream BUG: Bad page map (3) 4 1362d 1487d 0/24 auto-closed as invalid on 2019/07/13 00:02
linux-4.19 BUG: Bad page map 2 763d 822d 0/1 auto-closed as invalid on 2021/01/01 08:20
upstream BUG: Bad page map (4) 39 308d 944d 0/24 auto-closed as invalid on 2022/04/02 04:25
linux-4.14 BUG: Bad page map 1 809d 809d 0/1 auto-closed as invalid on 2020/11/16 16:05
android-54 BUG: Bad page map 1 43d 43d 0/2 upstream: reported on 2022/08/25 04:05

Sample crash report:
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
swap_info_get: Bad swap file entry 2000000087e14
BUG: Bad page map in process udevd  pte:800000021f850000 pmd:1beeca067
addr:(____ptrval____) vm_flags:00100071 anon_vma:(____ptrval____) mapping:(____ptrval____) index:185
file:libc-2.13.so fault:ext4_filemap_fault mmap:ext4_file_mmap readpage:ext4_readpage
CPU: 0 PID: 4938 Comm: udevd Not tainted 4.18.0-rc5+ #29
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+0x185/0x1e0 lib/dump_stack.c:113
 print_bad_pte+0xcae/0xde0 mm/memory.c:775
 zap_pte_range mm/memory.c:1381 [inline]
 zap_pmd_range mm/memory.c:1438 [inline]
 zap_pud_range mm/memory.c:1467 [inline]
 zap_p4d_range mm/memory.c:1488 [inline]
 unmap_page_range+0xdde/0x3c00 mm/memory.c:1509
 unmap_single_vma+0x445/0x5e0 mm/memory.c:1554
 unmap_vmas+0x1f4/0x360 mm/memory.c:1584
 exit_mmap+0x570/0xad0 mm/mmap.c:3100
 __mmput+0x165/0x620 kernel/fork.c:971
 mmput+0xbb/0x110 kernel/fork.c:992
 exec_mmap fs/exec.c:1044 [inline]
 flush_old_exec+0x1afe/0x21b0 fs/exec.c:1276
 load_elf_binary+0x13e1/0x90c0 fs/binfmt_elf.c:869
 search_binary_handler+0x2f4/0xac0 fs/exec.c:1653
 exec_binprm fs/exec.c:1695 [inline]
 __do_execve_file+0x1f70/0x3020 fs/exec.c:1819
 do_execveat_common fs/exec.c:1866 [inline]
 do_execve fs/exec.c:1883 [inline]
 __do_sys_execve fs/exec.c:1964 [inline]
 __se_sys_execve fs/exec.c:1959 [inline]
 __x64_sys_execve+0x131/0x180 fs/exec.c:1959
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x7fa846729207
Code: Bad RIP value.
RSP: 002b:00007ffd98d697e8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fa846729207
RDX: 0000000002334440 RSI: 00007ffd98d698e0 RDI: 00007ffd98d6a8f0
RBP: 0000000000625500 R08: 0000000000001290 R09: 0000000000001290
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000002334440
R13: 0000000000000007 R14: 0000000002333250 R15: 0000000000000005
BUG: Bad rss-counter state mm:(____ptrval____) idx:1 val:1
BUG: Bad rss-counter state mm:(____ptrval____) idx:2 val:-1

Crashes (127):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2018/07/21 23:49 https://github.com/google/kmsan.git master d1c2a46a46f6 8cc079c3 .config log report syz
ci-upstream-bpf-next-kasan-gce 2018/07/20 22:51 bpf-next 8ae71e76cf1f af255b09 .config log report
ci-upstream-kmsan-gce 2018/09/05 12:16 https://github.com/google/kmsan.git master 43e4752ae5dc 196410e4 .config log report
ci-upstream-kmsan-gce 2018/09/04 22:35 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/04 09:34 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/03 05:38 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/03 03:22 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/02 15:21 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/02 06:43 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/01 16:33 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/01 14:03 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/01 12:08 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/01 06:29 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/09/01 04:50 https://github.com/google/kmsan.git master 28f0ca98eadf a4718693 .config log report
ci-upstream-kmsan-gce 2018/08/31 05:26 https://github.com/google/kmsan.git master ab98bd30a4ba a4718693 .config log report
ci-upstream-kmsan-gce 2018/08/31 04:11 https://github.com/google/kmsan.git master ab98bd30a4ba 938220fd .config log report
ci-upstream-kmsan-gce 2018/08/30 14:31 https://github.com/google/kmsan.git master 25114c64b719 938220fd .config log report
ci-upstream-kmsan-gce 2018/08/29 22:43 https://github.com/google/kmsan.git master 2dca2cbde67a 4937cb2b .config log report
ci-upstream-kmsan-gce 2018/08/29 21:34 https://github.com/google/kmsan.git master 2dca2cbde67a 4937cb2b .config log report
ci-upstream-kmsan-gce 2018/08/29 14:52 https://github.com/google/kmsan.git master 2dca2cbde67a 53ff8784 .config log report
ci-upstream-kmsan-gce 2018/08/29 10:35 https://github.com/google/kmsan.git master 2dca2cbde67a 53ff8784 .config log report
ci-upstream-kmsan-gce 2018/08/28 18:15 https://github.com/google/kmsan.git master 2dca2cbde67a b771b17e .config log report
ci-upstream-kmsan-gce 2018/08/28 10:56 https://github.com/google/kmsan.git master 72cde92031e1 7ef1de9e .config log report
ci-upstream-kmsan-gce 2018/08/28 07:27 https://github.com/google/kmsan.git master 0cc51dc9a291 7ef1de9e .config log report
ci-upstream-kmsan-gce 2018/08/28 02:45 https://github.com/google/kmsan.git master 0cc51dc9a291 7ef1de9e .config log report
ci-upstream-kmsan-gce 2018/08/27 21:55 https://github.com/google/kmsan.git master 0cc51dc9a291 7ef1de9e .config log report
ci-upstream-kmsan-gce 2018/08/27 11:22 https://github.com/google/kmsan.git master 0cc51dc9a291 758cd203 .config log report
ci-upstream-kmsan-gce 2018/08/27 07:23 https://github.com/google/kmsan.git master 0cc51dc9a291 758cd203 .config log report
ci-upstream-kmsan-gce 2018/08/26 04:20 https://github.com/google/kmsan.git master 0cc51dc9a291 76e7c3df .config log report
ci-upstream-kmsan-gce 2018/08/26 02:54 https://github.com/google/kmsan.git master 0cc51dc9a291 76e7c3df .config log report
ci-upstream-kmsan-gce 2018/08/25 21:19 https://github.com/google/kmsan.git master 0cc51dc9a291 76e7c3df .config log report
ci-upstream-kmsan-gce 2018/08/25 10:19 https://github.com/google/kmsan.git master 0cc51dc9a291 9be5aa1d .config log report
ci-upstream-kmsan-gce 2018/08/25 06:18 https://github.com/google/kmsan.git master 0cc51dc9a291 9be5aa1d .config log report
ci-upstream-kmsan-gce 2018/08/24 23:54 https://github.com/google/kmsan.git master 0cc51dc9a291 9b0f5c75 .config log report
ci-upstream-kmsan-gce 2018/08/24 15:40 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/24 09:06 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/24 06:07 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/24 01:40 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/23 15:23 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/23 04:53 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/21 23:02 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/21 15:47 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/21 13:03 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/21 01:01 https://github.com/google/kmsan.git master 0cc51dc9a291 95b5c82b .config log report
ci-upstream-kmsan-gce 2018/08/20 18:30 https://github.com/google/kmsan.git master 0cc51dc9a291 2dc4378f .config log report
ci-upstream-kmsan-gce 2018/08/20 15:00 https://github.com/google/kmsan.git master 0cc51dc9a291 2dc4378f .config log report
ci-upstream-kmsan-gce 2018/08/20 11:59 https://github.com/google/kmsan.git master 0cc51dc9a291 2dc4378f .config log report
ci-upstream-kmsan-gce 2018/07/11 09:41 https://github.com/google/kmsan.git master b64f7ec04e12 2e0e3130 .config log report
* Struck through repros no longer work on HEAD.