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BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 2bff1067 P4D 2bff1067 PUD 1f5dc067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9019 Comm: syz-executor202 Not tainted 6.1.0-syzkaller-13031-g77856d911a8c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000be3f6a8 EFLAGS: 00010246 RAX: 1ffffffff1659874 RBX: ffffea0001bf0e00 RCX: ffff8880183c57c0 RDX: 0000000000000000 RSI: ffffc9000be3fb00 RDI: ffffea0001bf0e00 RBP: ffffffff8b2cc3a0 R08: ffffffff81bf03f6 R09: fffffbfff1d200ae R10: fffffbfff1d200ae R11: 1ffffffff1d200ad R12: dffffc0000000000 R13: ffffea0001bf0e00 R14: ffff8880738dbd28 R15: ffffc9000be3fb00 FS: 00007ff98e385700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001ca8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __writepage+0x60/0x120 mm/page-writeback.c:2537 write_cache_pages+0x7dd/0x1350 mm/page-writeback.c:2472 generic_writepages mm/page-writeback.c:2563 [inline] do_writepages+0x438/0x690 mm/page-writeback.c:2583 filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388 __filemap_fdatawrite_range mm/filemap.c:421 [inline] file_write_and_wait_range+0x228/0x330 mm/filemap.c:777 __generic_file_fsync+0x6e/0x190 fs/libfs.c:1132 generic_file_fsync+0x6f/0xe0 fs/libfs.c:1173 generic_write_sync include/linux/fs.h:2882 [inline] udf_file_write_iter+0x4d6/0x5f0 fs/udf/file.c:176 call_write_iter include/linux/fs.h:2186 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7b5/0xbb0 fs/read_write.c:584 ksys_write+0x19b/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff9967027f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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:00007ff98e3852f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ff996780790 RCX: 00007ff9967027f9 RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007ff99678079c R08: 00007ff98e385700 R09: 0000000000000000 R10: 00007ff98e385700 R11: 0000000000000246 R12: 00007ff99674cd70 R13: 00007ff99674c180 R14: 0000000020000c80 R15: 00007ff996780798 </TASK> Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000be3f6a8 EFLAGS: 00010246 RAX: 1ffffffff1659874 RBX: ffffea0001bf0e00 RCX: ffff8880183c57c0 RDX: 0000000000000000 RSI: ffffc9000be3fb00 RDI: ffffea0001bf0e00 RBP: ffffffff8b2cc3a0 R08: ffffffff81bf03f6 R09: fffffbfff1d200ae R10: fffffbfff1d200ae R11: 1ffffffff1d200ad R12: dffffc0000000000 R13: ffffea0001bf0e00 R14: ffff8880738dbd28 R15: ffffc9000be3fb00 FS: 00007ff98e385700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001ca8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-smack-root | 2022/12/17 10:29 | upstream | 77856d911a8c | 05494336 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | BUG: unable to handle kernel NULL pointer dereference in __writepage | |
ci-upstream-kasan-gce-root | 2023/02/19 22:57 | upstream | 925cf0457d7e | bcdf85f8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/02/12 08:16 | upstream | d12aca5c0cee | 93e26d60 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/02/09 12:04 | upstream | 0983f6bf2bfc | 14a312c8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/02/03 15:15 | upstream | 66a87fff1a87 | 1b2f701a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/02/03 02:49 | upstream | e7368fd30165 | 33fc5c09 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/02/01 16:58 | upstream | c0b67534c95c | 9a6f477c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci-upstream-kasan-gce-root | 2023/01/30 14:36 | upstream | 6d796c50f84c | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/01/29 06:43 | upstream | c96618275234 | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci-upstream-kasan-gce-selinux-root | 2023/01/26 17:59 | upstream | 7c46948a6e9c | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/01/25 12:24 | upstream | 948ef7bb70c4 | 9dfcf09c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/01/23 08:11 | upstream | 2475bf0250de | 44388686 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/01/23 05:29 | upstream | 2475bf0250de | cc0f9968 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2023/01/16 22:08 | upstream | d532dd102151 | a63719e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci-upstream-kasan-gce-root | 2022/12/22 19:33 | upstream | 9d2f6060fe4c | c692fab1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci-upstream-kasan-gce-smack-root | 2022/12/17 09:28 | upstream | 77856d911a8c | 05494336 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage | ||
ci2-upstream-fs | 2022/12/13 15:00 | upstream | 764822972d64 | 67be1ae7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | BUG: unable to handle kernel NULL pointer dereference in __writepage |