syzbot


BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident

Status: fixed on 2024/10/22 15:46
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+5b6ed16da1077f45bc8e@syzkaller.appspotmail.com
Fix commit: 0f9579d9e033 fs/ntfs3: Add missing .dirty_folio in address_space_operations
First crash: 225d, last: 139d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) :
commit 0f9579d9e0331b6255132ac06bdf2c0a01cceb90
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Mon Jun 3 06:58:13 2024 +0000

  fs/ntfs3: Add missing .dirty_folio in address_space_operations

  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident 1 (7) 2024/09/03 11:24
[syzbot] Monthly ntfs3 report (Jul 2024) 0 (1) 2024/07/12 10:05
Last patch testing requests (8)
Created Duration User Patch Repo Result
2024/08/23 16:04 1h07m almaz.alexandrovich@paragon-software.com https://github.com/Paragon-Software-Group/linux-ntfs3.git master OK log
2024/08/05 20:48 1h44m retest repro upstream OK log
2024/08/05 20:48 1h32m retest repro upstream OK log
2024/08/05 20:48 26m retest repro upstream OK log
2024/08/05 16:50 22m retest repro linux-next error
2024/07/17 08:20 21m almaz.alexandrovich@paragon-software.com https://github.com/Paragon-Software-Group/linux-ntfs3.git d0c3df62779f875b9af953790e5e18bce2aed91e OK log
2024/07/17 06:36 1h14m almaz.alexandrovich@paragon-software.com https://github.com/Paragon-Software-Group/linux-ntfs3.git 562d060bed6637fbc3bc22802a0a0c5b00e12a38 OK log
2024/07/15 09:41 20m almaz.alexandrovich@paragon-software.com https://github.com/Paragon-Software-Group/linux-ntfs3.git master OK log

Sample crash report:
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000078309067 P4D 8000000078309067 PUD 7b739067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 10600 Comm: syz-executor757 Not tainted 6.9.0-rc5-next-20240426-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000df7f698 EFLAGS: 00010282
RAX: 1ffffffff17f906b RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffea0001dd3440 RDI: ffff8880785f9a98
RBP: ffffc9000df7f800 R08: ffffffff81cfce8a R09: 1ffffd40003ba688
R10: dffffc0000000000 R11: 0000000000000000 R12: ffff888022288170
R13: ffff888022288188 R14: ffffea0001dd3440 R15: 1ffff92001befee8
FS:  00007fb8369ff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007c042000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 attr_make_nonresident+0xa49/0xe80 fs/ntfs3/attrib.c:301
 attr_set_size_res fs/ntfs3/attrib.c:371 [inline]
 attr_set_size+0x711/0x4290 fs/ntfs3/attrib.c:432
 ntfs_set_size+0x161/0x200 fs/ntfs3/inode.c:851
 ntfs_extend+0x16d/0x4a0 fs/ntfs3/file.c:335
 ntfs_file_write_iter+0x3ea/0x770 fs/ntfs3/file.c:1124
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb837280a29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8369ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb8373276f8 RCX: 00007fb837280a29
RDX: 000000000000fea7 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007fb8373276f0 R08: 00007ffc182e95a7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8373276fc
R13: 000000000000006e R14: 00007ffc182e94c0 R15: 00007ffc182e95a8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000df7f698 EFLAGS: 00010282
RAX: 1ffffffff17f906b RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffea0001dd3440 RDI: ffff8880785f9a98
RBP: ffffc9000df7f800 R08: ffffffff81cfce8a R09: 1ffffd40003ba688
R10: dffffc0000000000 R11: 0000000000000000 R12: ffff888022288170
R13: ffff888022288188 R14: ffffea0001dd3440 R15: 1ffff92001befee8
FS:  00007fb8369ff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007c042000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (110):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/27 16:42 linux-next bb7a2467e6be 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/10 11:29 upstream 34afb82a3c67 bc144f9a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/06 21:20 upstream 1dd28064d416 2a40360c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/06 08:07 upstream d270dd21bee0 2a40360c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/22 16:31 upstream 933069701c1b df655b64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/22 04:33 upstream 7846b618e0a4 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/22 02:01 upstream 7846b618e0a4 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/21 12:29 upstream 2c9b3512402e b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/21 05:33 upstream 2c9b3512402e b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/20 17:19 upstream 3c3ff7be9729 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/20 03:23 upstream d7e78951a8b8 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/18 21:18 upstream b1bc554e009e 71884c12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/17 21:43 upstream 51835949dda3 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/17 17:40 upstream 51835949dda3 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/14 19:19 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/14 17:14 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/14 14:34 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/14 10:17 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/14 07:16 upstream 4d145e3f830b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/13 21:55 upstream 528dd46d0fc3 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/10 13:20 upstream 34afb82a3c67 bc144f9a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/08 19:59 upstream 256abd8e550c cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/04 14:04 upstream 795c58e4c7fc 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/03 16:35 upstream e9d22f7a6655 1ecfa2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/03 05:23 upstream e9d22f7a6655 1ecfa2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/02 18:12 upstream 1dfe225e9af5 07f0a0a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/07/01 08:33 upstream e0b668b07034 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/29 22:07 upstream 27b31deb900d 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/29 16:12 upstream de0a9f448633 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/21 04:23 upstream 50736169ecc8 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/19 11:46 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/19 07:42 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/19 01:39 upstream 2ccbdf43d5e7 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/18 18:50 upstream 2ccbdf43d5e7 639d6cdf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/13 08:50 upstream 2ccbdf43d5e7 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/12 22:41 upstream cea2a26553ac f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/12 21:14 upstream cea2a26553ac f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/12 13:47 upstream 2ef5971ff345 f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/12 06:44 upstream 2ef5971ff345 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/11 10:38 upstream 83a7eefedc9b b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/10 20:38 upstream 83a7eefedc9b 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/10 09:29 upstream 83a7eefedc9b 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/10 01:32 upstream 771ed66105de 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/09 12:36 upstream 061d1af7b030 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/09 08:45 upstream 061d1af7b030 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/08 23:09 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/08 07:21 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/08 03:58 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/07 12:59 upstream 8a92980606e3 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/07 10:18 upstream 8a92980606e3 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/07 06:25 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/07 03:58 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/06 22:57 upstream d30d0e49da71 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/06 14:58 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/06/05 12:18 upstream 32f88d65f01b e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
2024/05/17 23:08 linux-next c75962170e49 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident
* Struck through repros no longer work on HEAD.