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[syzbot] [bcachefs?] BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | 0 (2) | 2025/06/13 17:50 |
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[syzbot] [bcachefs?] BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | 0 (2) | 2025/06/13 17:50 |
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Mem abort info: ESR = 0x0000000086000006 EC = 0x21: IABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault user pgtable: 4k pages, 48-bit VAs, pgdp=0000000122aa6000 [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000086000006 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 6490 Comm: syz-executor819 Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : 0x0 lr : mempool_alloc_noprof+0x150/0x3f4 mm/mempool.c:402 sp : ffff8000a3966c80 x29: ffff8000a3966d80 x28: 0000000000000000 x27: 1fffe0001c9807df x26: 0000000000092800 x25: ffff70001472cd9c x24: ffff0000e4c03ef0 x23: 0000000000092c40 x22: ffff0000e4c03ef8 x21: 0000000000000400 x20: 1fffe0001c9807de x19: ffff0000e4c03ea0 x18: 00000000ffffffff x17: ffff800093215000 x16: ffff80008051b344 x15: ffff800092d9eb80 x14: ffff0000c83a4790 x13: ffff800093014c08 x12: ffff0000c83a47b0 x11: 0000000000008004 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 0000000000000000 x7 : ffff800080b774a8 x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff8000a3966a20 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000092800 Call trace: 0x0 (P) bch2_btree_update_start+0x488/0x1398 fs/bcachefs/btree_update_interior.c:1212 bch2_btree_node_rewrite+0x190/0xd34 fs/bcachefs/btree_update_interior.c:2226 bch2_move_btree+0x538/0xa8c fs/bcachefs/move.c:1145 bch2_scan_old_btree_nodes+0x80/0x21c fs/bcachefs/move.c:1266 bch2_data_job+0x570/0x7cc fs/bcachefs/move.c:1404 bch2_data_thread+0xb4/0x1cc fs/bcachefs/chardev.c:315 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 Code: ???????? ???????? ???????? ???????? (????????) ---[ end trace 0000000000000000 ]---
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/06/13 20:34 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 19272b37aa4f | 98683f8f | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | |
2025/06/13 19:40 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 19272b37aa4f | 98683f8f | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | |
2025/06/13 18:32 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 19272b37aa4f | 98683f8f | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | |
2025/06/13 17:49 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 19272b37aa4f | 98683f8f | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | |
2025/06/26 04:49 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 9aa9b43d689e | 26d77996 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start | ||
2025/06/13 16:30 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 19272b37aa4f | 98683f8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: unable to handle kernel NULL pointer dereference in bch2_btree_update_start |