CVE-2022-49255

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix missing free nid in f2fshandlefailed_inode

This patch fixes xfstests/generic/475 failure.

[ 293.680694] F2FS-fs (dm-1): May loss orphan inode, run fsck to fix. [ 293.685358] Buffer I/O error on dev dm-1, logical block 8388592, async page read [ 293.691527] Buffer I/O error on dev dm-1, logical block 8388592, async page read [ 293.691764] sh (7615): dropcaches: 3 [ 293.691819] sh (7616): dropcaches: 3 [ 293.694017] Buffer I/O error on dev dm-1, logical block 1, async page read [ 293.695659] sh (7618): dropcaches: 3 [ 293.696979] sh (7617): dropcaches: 3 [ 293.700290] sh (7623): dropcaches: 3 [ 293.708621] sh (7626): dropcaches: 3 [ 293.711386] sh (7628): dropcaches: 3 [ 293.711825] sh (7627): dropcaches: 3 [ 293.716738] sh (7630): dropcaches: 3 [ 293.719613] sh (7632): dropcaches: 3 [ 293.720971] sh (7633): dropcaches: 3 [ 293.727741] sh (7634): dropcaches: 3 [ 293.730783] sh (7636): dropcaches: 3 [ 293.732681] sh (7635): dropcaches: 3 [ 293.732988] sh (7637): dropcaches: 3 [ 293.738836] sh (7639): dropcaches: 3 [ 293.740568] sh (7641): dropcaches: 3 [ 293.743053] sh (7640): dropcaches: 3 [ 293.821889] ------------[ cut here ]------------ [ 293.824654] kernel BUG at fs/f2fs/node.c:3334! [ 293.826226] invalid opcode: 0000 [#1] PREEMPT SMP PTI [ 293.828713] CPU: 0 PID: 7653 Comm: umount Tainted: G OE 5.17.0-rc1-custom #1 [ 293.830946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 [ 293.832526] RIP: 0010:f2fsdestroynodemanager+0x33f/0x350 [f2fs] [ 293.833905] Code: e8 d6 3d f9 f9 48 8b 45 d0 65 48 2b 04 25 28 00 00 00 75 1a 48 81 c4 28 03 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b [ 293.837783] RSP: 0018:ffffb04ec31e7a20 EFLAGS: 00010202 [ 293.839062] RAX: 0000000000000001 RBX: ffff9df947db2eb8 RCX: 0000000080aa0072 [ 293.840666] RDX: 0000000000000000 RSI: ffffe86c0432a140 RDI: ffffffffc0b72a21 [ 293.842261] RBP: ffffb04ec31e7d70 R08: ffff9df94ca85780 R09: 0000000080aa0072 [ 293.843909] R10: ffff9df94ca85700 R11: ffff9df94e1ccf58 R12: ffff9df947db2e00 [ 293.845594] R13: ffff9df947db2ed0 R14: ffff9df947db2eb8 R15: ffff9df947db2eb8 [ 293.847855] FS: 00007f5a97379800(0000) GS:ffff9dfa77c00000(0000) knlGS:0000000000000000 [ 293.850647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.852940] CR2: 00007f5a97528730 CR3: 000000010bc76005 CR4: 0000000000370ef0 [ 293.854680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.856423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.858380] Call Trace: [ 293.859302] <TASK> [ 293.860311] ? ttwudowakeup+0x1c/0x170 [ 293.861800] ? ttwudoactivate+0x6d/0xb0 [ 293.863057] ? rawspinunlockirqrestore+0x29/0x40 [ 293.864411] ? trytowakeup+0x9d/0x5e0 [ 293.865618] ? debugsmpprocessorid+0x17/0x20 [ 293.866934] ? debugsmpprocessorid+0x17/0x20 [ 293.868223] ? freeunrefpage+0xbf/0x120 [ 293.869470] ? __freeslab+0xcb/0x1c0 [ 293.870614] ? preemptcount_add+0x7a/0xc0 [ 293.871811] ? __slab_free+0xa0/0x2d0 [ 293.872918] ? __wakeupcommon_lock+0x8a/0xc0 [ 293.874186] ? __slabfree+0xa0/0x2d0 [ 293.875305] ? freeinodenonrcu+0x20/0x20 [ 293.876466] ? freeinode_nonrcu+0x20/0x20 [ 293.877650] ? debugsmpprocessorid+0x17/0x20 [ 293.878949] ? callrcu+0x11a/0x240 [ 293.880060] ? f2fsdestroystats+0x59/0x60 [f2fs] [ 293.881437] ? kfree+0x1fe/0x230 [ 293.882674] f2fsputsuper+0x160/0x390 [f2fs] [ 293.883978] genericshutdownsuper+0x7a/0x120 [ 293.885274] killblocksuper+0x27/0x50 [ 293.886496] killf2fssuper+0x7f/0x100 [f2fs] [ 293.887806] deactivatelockedsuper+0x35/0xa0 [ 293.889271] deactivatesuper+0x40/0x50 [ 293.890513] cleanupmnt+0x139/0x190 [ 293.891689] _cleanupmnt+0x12/0x20 [ 293.892850] taskworkrun+0x64/0xa0 [ 293.894035] exittousermodeprepare+0x1b7/ ---truncated---