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NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ================================================================== BUG: KASAN: user-memory-access in atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline] BUG: KASAN: user-memory-access in __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308 Write of size 4 at addr 0000000100000137 by task syz-executor.1/5638 CPU: 0 PID: 5638 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 kasan_report_error.cold+0x15b/0x1b9 mm/kasan/report.c:352 kasan_report+0x8f/0xa0 mm/kasan/report.c:412 atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline] __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308 NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 nilfs_bmap_lookup_at_level+0x7b/0x3e0 fs/nilfs2/bmap.c:68 nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 fs/nilfs2/mdt.c:142 nilfs_mdt_read_block+0x96/0x3e0 fs/nilfs2/mdt.c:175 nilfs_mdt_get_block+0xe6/0xd40 fs/nilfs2/mdt.c:250 nilfs_palloc_get_block+0xc4/0x2b0 fs/nilfs2/alloc.c:216 nilfs_palloc_get_entry_block+0x17b/0x230 fs/nilfs2/alloc.c:318 nilfs_ifile_get_inode_block+0xbf/0x170 fs/nilfs2/ifile.c:143 __nilfs_read_inode fs/nilfs2/inode.c:483 [inline] nilfs_iget+0x204/0x860 fs/nilfs2/inode.c:592 nilfs_get_root_dentry+0x26/0x250 fs/nilfs2/super.c:908 nilfs_fill_super fs/nilfs2/super.c:1082 [inline] nilfs_mount+0xac8/0xe70 fs/nilfs2/super.c:1321 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd498ee4b6a Code: 48 c7 c2 b8 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd497455f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fd498ee4b6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd497455fe0 RBP: 00007fd497456020 R08: 00007fd497456020 R09: 0000000020000000 R10: 0000000001000010 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fd497455fe0 R15: 0000000020001940 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/12 01:33 | linux-4.19.y | 3f8a27f9e27b | f42ee5d8 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | KASAN: user-memory-access Write in nilfs_bmap_lookup_at_level | ||
2022/11/05 15:54 | linux-4.19.y | 3f8a27f9e27b | 6d752409 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | KASAN: user-memory-access Write in nilfs_bmap_lookup_at_level | ||
2022/10/16 06:58 | linux-4.19.y | 3f8a27f9e27b | 67cb024c | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | KASAN: user-memory-access Write in nilfs_bmap_lookup_at_level | ||
2022/10/03 13:52 | linux-4.19.y | 3f8a27f9e27b | feb56351 | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | KASAN: user-memory-access Write in nilfs_bmap_lookup_at_level | ||
2022/10/31 05:40 | linux-4.19.y | 3f8a27f9e27b | 2a71366b | .config | console log | report | info | [disk image] [vmlinux] | ci2-linux-4-19 | general protection fault in nilfs_bmap_lookup_at_level |