Title | Replies (including bot) | Last reply |
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[PATCH] gfs2: Correct use of trans | 1 (1) | 2025/08/01 04:12 |
[syzbot] [gfs2?] KASAN: null-ptr-deref Write in gfs2_trans_add_revoke | 0 (2) | 2025/08/01 03:48 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH] gfs2: Correct use of trans | 1 (1) | 2025/08/01 04:12 |
[syzbot] [gfs2?] KASAN: null-ptr-deref Write in gfs2_trans_add_revoke | 0 (2) | 2025/08/01 03:48 |
gfs2: fsid=syz:syz.0: first mount done, others may mount ================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:82 [inline] BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] BUG: KASAN: null-ptr-deref in gfs2_trans_add_revoke+0x8c/0xe0 fs/gfs2/trans.c:321 Write of size 8 at addr 0000000000000018 by task syz.0.17/5566 CPU: 0 UID: 0 PID: 5566 Comm: syz.0.17 Not tainted 6.16.0-syzkaller-08685-g260f6f4fda93 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 kasan_report+0x118/0x150 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:189 instrument_atomic_write include/linux/instrumented.h:82 [inline] set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] gfs2_trans_add_revoke+0x8c/0xe0 fs/gfs2/trans.c:321 gfs2_remove_from_journal+0x43e/0x6d0 fs/gfs2/meta_io.c:366 gfs2_discard fs/gfs2/aops.c:597 [inline] gfs2_invalidate_folio+0x579/0x750 fs/gfs2/aops.c:631 folio_invalidate mm/truncate.c:140 [inline] truncate_cleanup_folio+0x2d5/0x430 mm/truncate.c:160 truncate_inode_pages_range+0x233/0xda0 mm/truncate.c:379 do_gfs2_set_flags fs/gfs2/file.c:254 [inline] gfs2_fileattr_set+0x80a/0x9b0 fs/gfs2/file.c:311 vfs_fileattr_set+0x92f/0xb90 fs/file_attr.c:298 ioctl_setflags+0x17b/0x200 fs/file_attr.c:336 do_vfs_ioctl+0x8ed/0x1430 fs/ioctl.c:561 __do_sys_ioctl fs/ioctl.c:596 [inline] __se_sys_ioctl+0x82/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f55c3b8eb69 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffea6c68328 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f55c3db5fa0 RCX: 00007f55c3b8eb69 RDX: 0000200000000000 RSI: 0000000040086602 RDI: 0000000000000005 RBP: 00007f55c3c11df1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f55c3db5fa0 R14: 00007f55c3db5fa0 R15: 0000000000000003 </TASK> ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/07/31 17:08 | upstream | 260f6f4fda93 | 3526e777 | .config | console log | report | syz / log | C | [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro #1 (clean fs)] [mounted in repro #2 (clean fs)] | ci-snapshot-upstream-root | KASAN: null-ptr-deref Write in gfs2_trans_add_revoke | |
2025/07/31 11:06 | upstream | 260f6f4fda93 | f8f2b4da | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: null-ptr-deref Write in gfs2_trans_add_revoke |