Hello, syzbot found the following issue on:
HEAD commit: 20a33c6b6cbe Add linux-next specific files for 20261023 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=14800131580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b72dfd5e7ab2b781 dashboard link: https://syzkaller.appspot.com/bug?extid=4b232570d625662eaab4 compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/cfbd1ccc6546/disk-20a33c6b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c36184d6a775/vmlinux-20a33c6b.xz kernel image: https://storage.googleapis.com/syzbot-assets/48b7e871397c/bzImage-20a33c6b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: [email protected] INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 22591 Comm: syz.5.4175 Tainted: G L Y syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP, [Y]=FORCED_BIND Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: <TASK> dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:1028 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1343 __lock_acquire+0x10c/0x2de0 kernel/locking/lockdep.c:5162 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:155 [inline] _raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:181 __percpu_counter_sum+0x2c/0x1f0 lib/percpu_counter.c:177 percpu_counter_sum include/linux/percpu_counter.h:105 [inline] crypt_dtr+0x18c/0x450 drivers/md/dm-crypt.c:2742 crypt_ctr+0x1720/0x3c20 drivers/md/dm-crypt.c:3438 dm_table_add_target+0x58d/0xc70 drivers/md/dm-table.c:749 populate_table drivers/md/dm-ioctl.c:1602 [inline] table_load+0x325/0x8a0 drivers/md/dm-ioctl.c:1645 ctl_ioctl drivers/md/dm-ioctl.c:2221 [inline] dm_ctl_ioctl+0x9ec/0xe10 drivers/md/dm-ioctl.c:2243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f69e6b9f559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f69e79d8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f69e6e26090 RCX: 00007f69e6b9f559 RDX: 0000200000000840 RSI: 00000000c138fd09 RDI: 0000000000000004 RBP: 00007f69e6c36b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f69e6e26128 R14: 00007f69e6e26090 R15: 00007ffcfc580c88 </TASK> device-mapper: table: 248:13: crypt: Unknown error (-ENOMEM) device-mapper: ioctl: error adding target to table --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at [email protected]. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
