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general protection fault in gfs2_evict_inode (2)

Status: upstream: reported C repro on 2022/06/27 07:11
Labels: gfs2 (incorrect?)
Reported-by: syzbot+8a5fc6416c175cecea34@syzkaller.appspotmail.com
First crash: 341d, last: 16d

Cause bisection: failed (error log, bisect log)
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly gfs2 report (Apr 2023) 0 (1) 2023/04/30 08:01
[syzbot] Monthly cluster report 1 (2) 2023/03/30 10:09
[syzbot] general protection fault in gfs2_evict_inode (2) 0 (2) 2022/12/18 06:01
BUG: unable to handle kernel NULL pointer dereference in gfs2_evict_inode 6 (6) 2022/11/22 07:12
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in gfs2_evict_inode gfs2 C error 5 133d 149d 0/1 upstream: reported C repro on 2022/12/31 21:41
upstream general protection fault in gfs2_evict_inode 2 570d 541d 0/24 auto-closed as invalid on 2022/03/06 05:03
linux-5.15 general protection fault in gfs2_evict_inode origin:upstream C 3 1d15h 46d 0/3 upstream: reported C repro on 2023/04/13 20:40
linux-6.1 BUG: unable to handle kernel paging request in gfs2_evict_inode origin:lts-only C 1 14d 24d 0/3 upstream: reported C repro on 2023/05/05 09:09

Sample crash report:
general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 1 PID: 4995 Comm: syz-executor111 Not tainted 6.3.0-syzkaller-12570-g7df047b3f0aa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1379 [inline]
RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1429
Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 6e f6 26 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6
RSP: 0018:ffffc9000397f840 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000397f9e0 R08: ffffffff83b5a4fd R09: ffffed100f7e3a21
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078e698e0
R13: ffff888078e69428 R14: ffff888019f70900 R15: ffff888019f70000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb6ac83298 CR3: 0000000026ef9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x2a4/0x620 fs/inode.c:665
 gfs2_jindex_free+0x44d/0x500 fs/gfs2/super.c:75
 gfs2_put_super+0x81f/0x890 fs/gfs2/super.c:640
 generic_shutdown_super+0x134/0x340 fs/super.c:500
 kill_block_super+0x84/0xf0 fs/super.c:1407
 deactivate_locked_super+0xa4/0x110 fs/super.c:331
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1177
 task_work_run+0x24a/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x68f/0x2290 kernel/exit.c:871
 do_group_exit+0x206/0x2c0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbb54b0b999
Code: Unable to access opcode bytes at 0x7fbb54b0b96f.
RSP: 002b:00007ffe6d0940a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbb54b93330 RCX: 00007fbb54b0b999
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012527
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb54b93330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1379 [inline]
RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1429
Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 6e f6 26 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6
RSP: 0018:ffffc9000397f840 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000397f9e0 R08: ffffffff83b5a4fd R09: ffffed100f7e3a21
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078e698e0
R13: ffff888078e69428 R14: ffff888019f70900 R15: ffff888019f70000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb6ada4000 CR3: 0000000027cff000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	df 80 3c 08 00 74    	filds  0x7400083c(%rax)
   6:	08 4c 89 f7          	or     %cl,-0x9(%rcx,%rcx,4)
   a:	e8 6e f6 26 fe       	callq  0xfe26f67d
   f:	bb 8c 00 00 00       	mov    $0x8c,%ebx
  14:	49 03 1e             	add    (%r14),%rbx
  17:	48 89 d8             	mov    %rbx,%rax
  1a:	48 c1 e8 03          	shr    $0x3,%rax
  1e:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  25:	fc ff df
* 28:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax <-- trapping instruction
  2c:	84 c0                	test   %al,%al
  2e:	0f 85 18 09 00 00    	jne    0x94c
  34:	8b 13                	mov    (%rbx),%edx
  36:	45 31 e4             	xor    %r12d,%r12d
  39:	4c 89 ff             	mov    %r15,%rdi
  3c:	31 f6                	xor    %esi,%esi

Crashes (134):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/03 05:39 upstream 7df047b3f0aa 48e0a81d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/01/22 14:48 upstream f67144022885 559a440a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2022/12/18 09:51 upstream f9ff5644bcc0 05494336 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/05/03 00:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 48e0a81d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2022/12/18 22:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in gfs2_evict_inode
2022/12/18 06:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 05494336 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in gfs2_evict_inode
2023/05/05 19:29 upstream 78b421b6a7c6 4cec9341 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/05/02 02:57 upstream c8c655c34e33 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/05/01 00:08 upstream 58390c8ce1bd 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/23 16:43 upstream 622322f53c6d 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in gfs2_evict_inode
2023/04/23 08:10 upstream 622322f53c6d 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/20 13:10 upstream cb0856346a60 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/04/17 10:56 upstream 6a8f57ae2eb0 c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/04/17 07:33 upstream 6a8f57ae2eb0 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/16 12:41 upstream 3e7bb4f24617 ec410564 .config console log report info ci-qemu-upstream general protection fault in gfs2_evict_inode
2023/04/15 06:30 upstream 95abc817ab3a ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/04/14 10:18 upstream 44149752e998 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/04/14 04:43 upstream 44149752e998 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/11 16:48 upstream 0d3eb744aed4 49faf98d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/06 22:11 upstream f2afccfefe7b 00ce4c67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/05 10:52 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/04 12:35 upstream 148341f0a2f5 928dd177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in gfs2_evict_inode
2023/04/01 11:52 upstream 7b50567bdcad f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/04/01 07:42 upstream 5a57b48fdfcb f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in gfs2_evict_inode
2023/03/31 08:53 upstream 62bad54b26db f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/30 18:46 upstream 8bb95a1662f8 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/27 09:39 upstream 197b6b60ae7b f8f96aa9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/24 23:02 upstream 1e760fa3596e 9700afae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/16 20:32 upstream 0ddc84d2dd43 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/16 15:05 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/16 07:47 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/15 12:06 upstream 6015b1aca1a2 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/03/13 23:29 upstream eeac8ede1755 026e2200 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/13 00:51 upstream 134231664868 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/06 01:16 upstream f915322fe014 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/03 20:25 upstream 2eb29d59ddf0 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/03/03 07:03 upstream 04a357b1f6f0 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/28 17:03 upstream ae3419fbac84 95aee97a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/26 22:08 upstream 2fcd07b7ccd5 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/02/25 12:32 upstream 8cbd92339db0 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/22 21:46 upstream 5b7c4cabbb65 9f1e2cb3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/22 05:22 upstream 9e58df973d22 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/21 17:41 upstream 89f5349e0673 f949448d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/20 15:39 upstream c9c3395d5e3d bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2023/02/18 17:14 upstream 38f8ccde04a3 d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in gfs2_evict_inode
2022/06/22 15:05 upstream ca1fdab7fd27 0fc5c330 .config console log report info ci-upstream-kasan-gce-root general protection fault in gfs2_evict_inode
2023/04/07 17:29 upstream f2afccfefe7b f7ba566d .config console log report info ci-qemu-upstream-386 general protection fault in gfs2_evict_inode
2023/04/27 16:42 linux-next 84e2893b4573 6f5b1cc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in gfs2_evict_inode
2023/03/04 11:41 linux-next 1acf39ef8f14 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in gfs2_evict_inode
2023/02/24 02:43 linux-next 0222aa9800b2 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in gfs2_evict_inode
2023/05/13 14:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/05/03 00:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/03/28 01:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e8d018dd0257 47f3aaf1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/03/26 06:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e8d018dd0257 fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/03/23 22:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/03/05 16:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 596b6b709632 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/03/04 10:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 596b6b709632 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/02/21 18:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a9b06ec42c0f f949448d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in gfs2_evict_inode
2023/02/18 12:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel NULL pointer dereference in gfs2_evict_inode
* Struck through repros no longer work on HEAD.