In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
f2fs: fix to do sanity check on f2fs_get_node_folio_ra()<\/p>\n
kernel BUG at fs\/f2fs\/file.c:845!
\nOops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
\nCPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04\/01\/2014
\nRIP: 0010:f2fs_do_truncate_blocks+0x1115\/0x1140 fs\/f2fs\/file.c:845
\nCode: fc fc 90 0f 0b e8 8b 9d 9a fd 90 0f 0b e8 83 9d 9a fd 48 89 df 48 c7 c6 60 d1 1a 8c e8 54 f1 fc fc 90 0f 0b e8 6c 9d 9a fd 90 0b e8 64 9d 9a fd 90 0f 0b 90 e9 93 fd ff ff e8 56 9d 9a fd 90
\nRSP: 0018:ffffc9000e4474c0 EFLAGS: 00010283
\nRAX: ffffffff842b1d34 RBX: 0000000000000003 RCX: 0000000000100000
\nRDX: ffffc9000f03a000 RSI: 0000000000035503 RDI: 0000000000035504
\nRBP: ffffc9000e447608 R08: ffff8880123b0000 R09: 0000000000000002
\nR10: 00000000fffffffe R11: 0000000000000002 R12: 0000000000000001
\nR13: 0000000000000000 R14: 1ffff92001c88ea0 R15: 00000000ffff039c
\nFS: 00007f7e02ee36c0(0000) GS:ffff88808c887000(0000) knlGS:0000000000000000
\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
\nCR2: 00007ff0305c4000 CR3: 0000000012d4c000 CR4: 0000000000352ef0
\nCall Trace:<\/p>\n
f2fs_truncate_blocks+0x10a\/0x300 fs\/f2fs\/file.c:882
\n f2fs_truncate+0x471\/0x7c0 fs\/f2fs\/file.c:940
\n f2fs_evict_inode+0xa3f\/0x1ac0 fs\/f2fs\/inode.c:907
\n evict+0x61e\/0xb10 fs\/inode.c:841
\n f2fs_fill_super+0x5f43\/0x78f0 fs\/f2fs\/super.c:5224
\n get_tree_bdev_flags+0x431\/0x4f0 fs\/super.c:1694
\n vfs_get_tree+0x92\/0x2a0 fs\/super.c:1754
\n fc_mount fs\/namespace.c:1193 [inline]
\n do_new_mount_fc fs\/namespace.c:3758 [inline]
\n do_new_mount+0x341\/0xd30 fs\/namespace.c:3834
\n do_mount fs\/namespace.c:4167 [inline]
\n __do_sys_mount fs\/namespace.c:4383 [inline]
\n __se_sys_mount+0x31d\/0x420 fs\/namespace.c:4360
\n do_syscall_x64 arch\/x86\/entry\/syscall_64.c:63 [inline]
\n do_syscall_64+0x15f\/0xf80 arch\/x86\/entry\/syscall_64.c:94
\n entry_SYSCALL_64_after_hwframe+0x77\/0x7f<\/p>\n
\tcount = ADDRS_PER_PAGE(dn.node_folio, inode);<\/p>\n
\tcount -= dn.ofs_in_node;
\n\tf2fs_bug_on(sbi, count check whether it is inode|xnode<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
f2fs: fix to do sanity check on f2fs_get_node_folio_ra()<\/p>\n
kernel BUG at fs\/f2fs\/file.c:845!
\nOops: invalid opcode: 0000 [#1] SMP KAS<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14894","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}