FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 198340 at kernel/workqueue.c:1428 __queue_work+0xc09/0xf40 kernel/workqueue.c:1428 Modules linked in: CPU: 1 PID: 198340 Comm: syz-executor.5 Not tainted 5.10.206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__queue_work+0xc09/0xf40 kernel/workqueue.c:1428 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 4f c4 51 00 8b 5b 24 31 ff 83 e3 20 89 de e8 a0 ec 25 00 85 db 75 2a e8 47 f3 25 00 <0f> 0b e9 71 fa ff ff e8 3b f3 25 00 0f 0b e9 fc f9 ff ff e8 2f f3 RSP: 0018:ffff88805eaafa80 EFLAGS: 00010012 RAX: 0000000000000195 RBX: 0000000000000000 RCX: ffffc9000642f000 RDX: 0000000000040000 RSI: ffffffff811a9819 RDI: 0000000000000005 RBP: ffff888059c01300 R08: 0000000000000001 R09: ffff888041794acf R10: 0000000000000000 R11: 0000000000000001 R12: ffff888041794ac8 R13: ffff888047ce3000 R14: 0000000000000212 R15: 0000000000000001 FS: 00007fb545cf3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558ad62edee0 CR3: 00000000304ac000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: queue_work_on+0xcb/0xd0 kernel/workqueue.c:1534 l2cap_do_send+0x23f/0x3d0 net/bluetooth/l2cap_core.c:1017 l2cap_chan_send+0xade/0x2810 net/bluetooth/l2cap_core.c:2723 l2cap_sock_sendmsg+0x205/0x2c0 net/bluetooth/l2cap_sock.c:1172 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 __sys_sendto+0x21c/0x320 net/socket.c:2003 __do_sys_sendto net/socket.c:2015 [inline] __se_sys_sendto net/socket.c:2011 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2011 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x62/0xc7 RIP: 0033:0x7fb54877db19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb545cf3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fb548890f60 RCX: 00007fb54877db19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 00007fb5487d7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff040a9b6f R14: 00007fb545cf3300 R15: 0000000000022000 irq event stamp: 1048 hardirqs last enabled at (1047): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (1047): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (1048): [] queue_work_on+0xa3/0xd0 kernel/workqueue.c:1531 softirqs last enabled at (1036): [] l2cap_sock_sendmsg+0x17e/0x2c0 net/bluetooth/l2cap_sock.c:1167 softirqs last disabled at (1034): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (1034): [] release_sock+0x1b/0x1b0 net/core/sock.c:3096 ---[ end trace f685ff671b8ce21d ]--- FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) EXT4-fs (loop3): couldn't mount as ext2 due to feature incompatibilities EXT4-fs (loop3): couldn't mount as ext2 due to feature incompatibilities EXT4-fs (loop3): couldn't mount as ext2 due to feature incompatibilities EXT4-fs (loop3): couldn't mount as ext2 due to feature incompatibilities Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed Process accounting resumed netlink: 'syz-executor.1': attribute type 10 has an invalid length. Process accounting resumed Process accounting resumed netlink: 'syz-executor.1': attribute type 10 has an invalid length. netlink: 'syz-executor.1': attribute type 10 has an invalid length. netlink: 'syz-executor.1': attribute type 10 has an invalid length.