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Struct with embedded VLA... memcpy: detected field-spanning write (size 8) of single field "&gc->r.e" at fs/bcachefs/ec.c:465 (size 3) WARNING: CPU: 1 PID: 936 at fs/bcachefs/ec.c:465 bch2_trigger_stripe+0x706/0x730 Modules linked in: CPU: 1 UID: 0 PID: 936 Comm: mount.bcachefs Not tainted 6.14.0-rc6-ktest-00236-gefb0b5c62dbc #55 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:bch2_trigger_stripe+0x706/0x730 Code: b4 00 01 b9 03 00 00 00 48 89 fb 48 c7 c7 33 54 da 81 48 89 d6 49 89 d6 48 c7 c2 c3 36 db 81 e8 60 54 c5 ff 48 89 df 4c 89 f2 <0f> 0b e9 5c fd ff ff e8 fe 5e 4e 00 bf 10 00 00 00 48 c7 c6 ff ff RSP: 0018:ffff88817081f680 EFLAGS: 00010246 RAX: f8fe7dd1c56b5600 RBX: ffff888101265368 RCX: 0000000000000027 RDX: 0000000000000008 RSI: 00000000fffbffff RDI: ffff888101265368 RBP: 0000000000000000 R08: 000000000003ffff R09: ffff88817f1fe000 R10: 00000000000bfffd R11: 0000000000000004 R12: ffff8881012652c0 R13: 0000000000000000 R14: 0000000000000008 R15: ffff88817081f6c9 FS: 00007fc428bc7c80(0000) GS:ffff888179280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd3ee4a038 CR3: 000000010a9bc000 CR4: 0000000000750eb0 PKRU: 55555554 Call Trace: <TASK> ? __warn+0xce/0x1b0 ? bch2_trigger_stripe+0x706/0x730 ? report_bug+0x11b/0x1a0 ? bch2_trigger_stripe+0x706/0x730 ? handle_bug+0x5e/0x90 ? exc_invalid_op+0x1a/0x50 ? asm_exc_invalid_op+0x1a/0x20 ? bch2_trigger_stripe+0x706/0x730 bch2_gc_mark_key+0x2cf/0x430 bch2_check_allocations+0x1a64/0x1ed0 ? vsnprintf+0x1ad/0x420 ? bch2_check_allocations+0x191f/0x1ed0 bch2_run_recovery_passes+0x13b/0x2b0 bch2_fs_recovery+0x9b7/0x1290 ? __bch2_print+0xb2/0xf0 ? bch2_printbuf_exit+0x1e/0x30 ? print_mount_opts+0x153/0x180 bch2_fs_start+0x274/0x3b0 bch2_fs_get_tree+0x516/0x6e0 vfs_get_tree+0x21/0xa0 do_new_mount+0x153/0x350 __x64_sys_mount+0x16c/0x1f0 do_syscall_64+0x6c/0x140 ? arch_exit_to_user_mode_prepare+0x9/0x40 entry_SYSCALL_64_after_hwframe+0x4b/0x53 Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.