[Cluster-devel] [syzbot] kernel BUG in gfs2_glock_nq
Hello, syzbot found the following issue on: HEAD commit:136057256686 Linux 5.16-rc2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15bda5b2b0 kernel config: https://syzkaller.appspot.com/x/.config?x=bf85c53718a1e697 dashboard link: https://syzkaller.appspot.com/bug?extid=96502fc81e6d27a52341 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+96502fc81e6d27a52...@syzkaller.appspotmail.com gfs2: fsid=syz:syz.0: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:3725 [syz-executor.1] gfs2_quota_sync+0x2e2/0x660 fs/gfs2/quota.c:1310 [ cut here ] kernel BUG at fs/gfs2/glock.c:1548! invalid opcode: [#1] PREEMPT SMP KASAN CPU: 1 PID: 3725 Comm: syz-executor.1 Not tainted 5.16.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:add_to_queue fs/gfs2/glock.c:1548 [inline] RIP: 0010:gfs2_glock_nq.cold+0x2a1/0x2fa fs/gfs2/glock.c:1572 Code: 74 04 3c 03 7e 76 8b 53 18 44 89 e9 4c 89 f6 48 c7 c7 60 58 f6 89 e8 88 3d f3 ff ba 01 00 00 00 4c 89 e6 31 ff e8 10 aa 57 fa <0f> 0b e8 19 64 af f8 4c 8b 04 24 e9 7f fd ff ff 45 31 ff e9 fc fd RSP: :c90001f1fae8 EFLAGS: 00010282 RAX: RBX: 88806f9aec80 RCX: RDX: 88804b334240 RSI: 83656106 RDI: 89f68dc8 RBP: 888018610238 R08: R09: 0001 R10: 836560b2 R11: R12: 88806f9aec80 R13: 0001 R14: 8880765592c0 R15: 0001 FS: 57540400() GS:88802cb0() knlGS: CS: 0010 DS: ES: CR0: 80050033 CR2: 004cba71 CR3: 735b2000 CR4: 00150ee0 DR0: DR1: DR2: DR3: DR6: fffe0ff0 DR7: 0400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:254 [inline] do_sync+0x4b9/0xcf0 fs/gfs2/quota.c:902 gfs2_quota_sync+0x2e2/0x660 fs/gfs2/quota.c:1310 gfs2_sync_fs+0x40/0xb0 fs/gfs2/super.c:642 sync_filesystem fs/sync.c:56 [inline] sync_filesystem+0x105/0x260 fs/sync.c:30 generic_shutdown_super+0x70/0x400 fs/super.c:448 kill_block_super+0x97/0xf0 fs/super.c:1397 gfs2_kill_sb+0x104/0x160 fs/gfs2/ops_fstype.c:1735 deactivate_locked_super+0x94/0x160 fs/super.c:335 deactivate_super+0xad/0xd0 fs/super.c:366 cleanup_mnt+0x3a2/0x540 fs/namespace.c:1137 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff8eb5b6f57 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:7ffca9da6618 EFLAGS: 0246 ORIG_RAX: 00a6 RAX: RBX: RCX: 7ff8eb5b6f57 RDX: 7ffca9da66eb RSI: 000a RDI: 7ffca9da66e0 RBP: 7ffca9da66e0 R08: R09: 7ffca9da64b0 R10: 575418b3 R11: 0246 R12: 7ff8eb60f105 R13: 7ffca9da77a0 R14: 57541810 R15: 7ffca9da77e0 Modules linked in: ---[ end trace f8afb8dcf8bb318a ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1548 [inline] RIP: 0010:gfs2_glock_nq.cold+0x2a1/0x2fa fs/gfs2/glock.c:1572 Code: 74 04 3c 03 7e 76 8b 53 18 44 89 e9 4c 89 f6 48 c7 c7 60 58 f6 89 e8 88 3d f3 ff ba 01 00 00 00 4c 89 e6 31 ff e8 10 aa 57 fa <0f> 0b e8 19 64 af f8 4c 8b 04 24 e9 7f fd ff ff 45 31 ff e9 fc fd RSP: :c90001f1fae8 EFLAGS: 00010282 RAX: RBX: 88806f9aec80 RCX: RDX: 88804b334240 RSI: 83656106 RDI: 89f68dc8 RBP: 888018610238 R08: R09: 0001 R10: 836560b2 R11: R12: 88806f9aec80 R13: 0001 R14: 8880765592c0 R15: 0001 FS: 57540400() GS:88802cb0() knlGS: CS: 0010 DS: ES: CR0: 80050033 CR2: 004cba71 CR3: 735b2000 CR4: 00150ee0 DR0: DR1: DR2: DR3: DR6: fffe0ff0 DR7: 0400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be re
[Cluster-devel] [syzbot] general protection fault in gfs2_evict_inode
Hello, syzbot found the following issue on: HEAD commit:d4439a1189f9 Merge tag 'hsi-for-5.16' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13fae7cab0 kernel config: https://syzkaller.appspot.com/x/.config?x=7f2760850058fbfb dashboard link: https://syzkaller.appspot.com/bug?extid=f77e2d1dc867b6accaf9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f77e2d1dc867b6acc...@syzkaller.appspotmail.com R10: R11: 0206 R12: 2000 R13: 2100 R14: 7f4836721000 R15: 20047a20 gfs2: fsid=syz:syz.0: can't read journal index: -5 general protection fault, probably for non-canonical address 0xdc11: [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0088-0x008f] CPU: 1 PID: 25372 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:evict_linked_inode fs/gfs2/super.c:1331 [inline] RIP: 0010:gfs2_evict_inode+0xbe2/0x2070 fs/gfs2/super.c:1386 Code: 03 80 3c 02 00 0f 85 d0 13 00 00 48 8b 9d 00 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 8c 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:c90009bb77c8 EFLAGS: 00010217 RAX: dc00 RBX: RCX: c9000b53c000 RDX: 0011 RSI: 836c5f71 RDI: 008c RBP: 88803ae28000 R08: R09: 88807115fb43 R10: 83666100 R11: R12: 0001 R13: 88807115fcb8 R14: 8880959e5cd8 R15: 8880959e5828 FS: 7f4836721700() GS:8880b9d0() knlGS: CS: 0010 DS: ES: CR0: 80050033 CR2: 7f2fb011f000 CR3: 22ee7000 CR4: 00350ee0 DR0: DR1: DR2: DR3: DR6: 0ff0 DR7: 0600 Call Trace: evict+0x2ed/0x6b0 fs/inode.c:588 iput_final fs/inode.c:1664 [inline] iput.part.0+0x539/0x850 fs/inode.c:1690 iput+0x58/0x70 fs/inode.c:1680 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:376 __dentry_kill+0x3c0/0x640 fs/dcache.c:582 dentry_kill fs/dcache.c:708 [inline] dput+0x738/0xbc0 fs/dcache.c:888 gfs2_fill_super+0x2048/0x28a0 fs/gfs2/ops_fstype.c:1296 get_tree_bdev+0x440/0x760 fs/super.c:1293 gfs2_get_tree+0x4a/0x270 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x89/0x2f0 fs/super.c:1498 do_new_mount fs/namespace.c:2988 [inline] path_mount+0x1320/0x1fa0 fs/namespace.c:3318 do_mount fs/namespace.c:3331 [inline] __do_sys_mount fs/namespace.c:3539 [inline] __se_sys_mount fs/namespace.c:3516 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3516 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f48391ad01a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:7f4836720fa8 EFLAGS: 0206 ORIG_RAX: 00a5 RAX: ffda RBX: 2200 RCX: 7f48391ad01a RDX: 2000 RSI: 2100 RDI: 7f4836721000 RBP: 7f4836721040 R08: 7f4836721040 R09: 2000 R10: R11: 0206 R12: 2000 R13: 2100 R14: 7f4836721000 R15: 20047a20 Modules linked in: ---[ end trace 68c9d12f167f0520 ]--- RIP: 0010:evict_linked_inode fs/gfs2/super.c:1331 [inline] RIP: 0010:gfs2_evict_inode+0xbe2/0x2070 fs/gfs2/super.c:1386 Code: 03 80 3c 02 00 0f 85 d0 13 00 00 48 8b 9d 00 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 8c 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:c90009bb77c8 EFLAGS: 00010217 RAX: dc00 RBX: RCX: c9000b53c000 RDX: 0011 RSI: 836c5f71 RDI: 008c RBP: 88803ae28000 R08: R09: 88807115fb43 R10: 83666100 R11: R12: 0001 R13: 88807115fcb8 R14: 8880959e5cd8 R15: 8880959e5828 FS: 7f4836721700() GS:8880b9d0() knlGS: CS: 0010 DS: ES: CR0: 80050033 CR2: 7f2fb011f000 CR3: 22ee7000 CR4: 00350ee0 DR0: DR1: DR2: DR3: DR6: 0ff0 DR7: 0600 Code disassembly (best guess): 0: 03 80 3c 02 00 0f add0xf00023c(%rax),%eax 6: 85 d0
