Title | Replies (including bot) | Last reply |
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[syzbot] Monthly nilfs report (Apr 2023) | 0 (1) | 2023/04/27 10:39 |
[syzbot] BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | 0 (1) | 2022/11/16 10:39 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] Monthly nilfs report (Apr 2023) | 0 (1) | 2023/04/27 10:39 |
[syzbot] BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | 0 (1) | 2022/11/16 10:39 |
BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 76f5c067 P4D 76f5c067 PUD 8a46f067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13287 Comm: syz-executor.4 Not tainted 6.4.0-rc4-syzkaller-00031-g8b817fded42d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003e2efd8 EFLAGS: 00010246 RAX: 0000000000000020 RBX: 0000000000000000 RCX: ffffffff8b25a7e0 RDX: ffffc90003e2f340 RSI: ffffc90003e2f320 RDI: ffff888029d2c000 RBP: ffffc90003e2f510 R08: ffffffff834f660b R09: ffffed100426760d R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007c5e6c R13: dffffc0000000000 R14: ffffc90003e2f301 R15: 0000000000000001 FS: 00007f05c8b89700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000095b8a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> nilfs_segctor_assign fs/nilfs2/segment.c:1651 [inline] nilfs_segctor_do_construct+0x39f1/0x6d30 fs/nilfs2/segment.c:2081 nilfs_construct_dsync_segment+0x5c4/0x6c0 fs/nilfs2/segment.c:2335 nilfs_sync_file+0xbc/0x260 fs/nilfs2/file.c:32 generic_write_sync include/linux/fs.h:2469 [inline] generic_file_write_iter+0x2a1/0x310 mm/filemap.c:4087 do_iter_write+0x7b1/0xcb0 fs/read_write.c:860 iter_file_splice_write+0x843/0xfe0 fs/splice.c:795 do_splice_from fs/splice.c:873 [inline] direct_splice_actor+0xe7/0x1c0 fs/splice.c:1039 splice_direct_to_actor+0x4c4/0xbd0 fs/splice.c:994 do_splice_direct+0x283/0x3d0 fs/splice.c:1082 do_sendfile+0x620/0xff0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f05c7e8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f05c8b89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f05c7fabf80 RCX: 00007f05c7e8c169 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 00007f05c7ee7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd9c19f0f R14: 00007f05c8b89300 R15: 0000000000022000 </TASK> Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003e2efd8 EFLAGS: 00010246 RAX: 0000000000000020 RBX: 0000000000000000 RCX: ffffffff8b25a7e0 RDX: ffffc90003e2f340 RSI: ffffc90003e2f320 RDI: ffff888029d2c000 RBP: ffffc90003e2f510 R08: ffffffff834f660b R09: ffffed100426760d R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007c5e6c R13: dffffc0000000000 R14: ffffc90003e2f301 R15: 0000000000000001 FS: 00007f05c8b89700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000095b8a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/30 07:31 | upstream | 8b817fded42d | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/05/29 20:27 | upstream | 8b817fded42d | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/05/05 14:51 | upstream | 78b421b6a7c6 | 518a39a6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/05/04 08:11 | upstream | fa31fc82fb77 | 5b7ff9dd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/04/21 03:56 | upstream | 6a66fdd29ea1 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/04/19 03:09 | upstream | af67688dca57 | d931e9f0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/04/19 02:26 | upstream | af67688dca57 | d931e9f0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/04/02 22:13 | upstream | 6ab608fe852b | f325deb0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2023/02/20 11:35 | upstream | c9c3395d5e3d | bcdf85f8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct | ||
2022/11/12 05:40 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 1621b6eaebf7 | 3ead01ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in nilfs_segctor_do_construct |