audit: type=1400 audit(1663083689.448:8): avc: denied { kernel } for pid=3832 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.0.0-rc5-next-20220913 #1 Not tainted ------------------------------------------------------ syz-executor.2/3833 is trying to acquire lock: ffffffff853fa878 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 but task is already holding lock: ffff8880417bf820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_in+0x2a0/0x6e0 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){....}-{2:2}: _raw_spin_lock+0x2a/0x40 __perf_event_task_sched_out+0x53b/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 raw_spin_rq_lock_nested+0x1e/0x30 task_fork_fair+0x63/0x4d0 sched_cgroup_fork+0x3d0/0x540 copy_process+0x3f9e/0x6df0 kernel_clone+0xe7/0x890 user_mode_thread+0xad/0xf0 rest_init+0x24/0x250 arch_call_rest_init+0xf/0x14 start_kernel+0x4c1/0x4e6 secondary_startup_64_no_verify+0xe0/0xeb -> #1 (&p->pi_lock){-.-.}-{2:2}: _raw_spin_lock_irqsave+0x39/0x60 try_to_wake_up+0xab/0x1920 up+0x75/0xb0 __up_console_sem+0x6e/0x80 console_unlock+0x46a/0x590 vprintk_emit+0x1bd/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 kauditd_hold_skb.cold+0x3f/0x4e kauditd_send_queue+0x233/0x290 kauditd_thread+0x5da/0x9a0 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 -> #0 ((console_sem).lock){....}-{2:2}: __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 event_filter_match+0x422/0x660 merge_sched_in+0x107/0x1110 visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0 ctx_sched_in+0x2e6/0x770 perf_event_sched_in+0x58/0x80 __perf_event_task_sched_in+0x408/0x6e0 finish_task_switch.isra.0+0x46d/0x8a0 __schedule+0x89b/0x2470 preempt_schedule_common+0x45/0xc0 __cond_resched+0x17/0x30 kmem_cache_alloc_node+0x2e3/0x3e0 __alloc_skb+0x210/0x300 netlink_ack+0x389/0xd60 netlink_rcv_skb+0x348/0x430 genl_rcv+0x24/0x40 netlink_unicast+0x54e/0x800 netlink_sendmsg+0x915/0xe10 sock_sendmsg+0x154/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &ctx->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->lock); lock(&rq->__lock); lock(&ctx->lock); lock((console_sem).lock); *** DEADLOCK *** 3 locks held by syz-executor.2/3833: #0: ffffffff8596e690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 #1: ffff88806ce3d120 (&cpuctx_lock){....}-{2:2}, at: __perf_event_task_sched_in+0x28f/0x6e0 #2: ffff8880417bf820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_in+0x2a0/0x6e0 stack backtrace: CPU: 0 PID: 3833 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220913 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 check_noncircular+0x263/0x2e0 __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 RIP: 0010:event_filter_match+0x422/0x660 Code: 00 00 00 e9 7c fc ff ff e8 4b 15 f1 ff 65 8b 2d c0 73 ad 7e 31 ff 89 ee e8 eb 11 f1 ff 85 ed 0f 84 ef 00 00 00 e8 2e 15 f1 ff <0f> 0b eb 9f e8 45 80 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b RSP: 0018:ffff888020c971f0 EFLAGS: 00010006 RAX: 0000000040000002 RBX: ffff88801cc58000 RCX: 0000000000000000 RDX: ffff88801cdc9ac0 RSI: ffffffff81550212 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88801cc58220 R13: 0000000000000000 R14: ffff88801cc580a8 R15: ffff88801cc58220 merge_sched_in+0x107/0x1110 visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0 ctx_sched_in+0x2e6/0x770 perf_event_sched_in+0x58/0x80 __perf_event_task_sched_in+0x408/0x6e0 finish_task_switch.isra.0+0x46d/0x8a0 __schedule+0x89b/0x2470 preempt_schedule_common+0x45/0xc0 __cond_resched+0x17/0x30 kmem_cache_alloc_node+0x2e3/0x3e0 __alloc_skb+0x210/0x300 netlink_ack+0x389/0xd60 netlink_rcv_skb+0x348/0x430 genl_rcv+0x24/0x40 netlink_unicast+0x54e/0x800 netlink_sendmsg+0x915/0xe10 sock_sendmsg+0x154/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe134d39b19 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:00007fe1322af188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe134e4cf60 RCX: 00007fe134d39b19 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007fe134d93f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca10dbe7f R14: 00007fe1322af300 R15: 0000000000022000 WARNING: CPU: 0 PID: 3833 at kernel/events/core.c:2233 event_filter_match+0x422/0x660 Modules linked in: CPU: 0 PID: 3833 Comm: syz-executor.2 Not tainted 6.0.0-rc5-next-20220913 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:event_filter_match+0x422/0x660 Code: 00 00 00 e9 7c fc ff ff e8 4b 15 f1 ff 65 8b 2d c0 73 ad 7e 31 ff 89 ee e8 eb 11 f1 ff 85 ed 0f 84 ef 00 00 00 e8 2e 15 f1 ff <0f> 0b eb 9f e8 45 80 23 00 e9 17 fc ff ff e8 1b 15 f1 ff 48 8d 7b RSP: 0018:ffff888020c971f0 EFLAGS: 00010006 RAX: 0000000040000002 RBX: ffff88801cc58000 RCX: 0000000000000000 RDX: ffff88801cdc9ac0 RSI: ffffffff81550212 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865aa01b R12: ffff88801cc58220 R13: 0000000000000000 R14: ffff88801cc580a8 R15: ffff88801cc58220 FS: 00007fe1322af700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cc7d6f270 CR3: 0000000018aa0000 CR4: 0000000000350ef0 Call Trace: merge_sched_in+0x107/0x1110 visit_groups_merge.constprop.0.isra.0+0x4fc/0xef0 ctx_sched_in+0x2e6/0x770 perf_event_sched_in+0x58/0x80 __perf_event_task_sched_in+0x408/0x6e0 finish_task_switch.isra.0+0x46d/0x8a0 __schedule+0x89b/0x2470 preempt_schedule_common+0x45/0xc0 __cond_resched+0x17/0x30 kmem_cache_alloc_node+0x2e3/0x3e0 __alloc_skb+0x210/0x300 netlink_ack+0x389/0xd60 netlink_rcv_skb+0x348/0x430 genl_rcv+0x24/0x40 netlink_unicast+0x54e/0x800 netlink_sendmsg+0x915/0xe10 sock_sendmsg+0x154/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe134d39b19 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:00007fe1322af188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe134e4cf60 RCX: 00007fe134d39b19 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007fe134d93f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca10dbe7f R14: 00007fe1322af300 R15: 0000000000022000 irq event stamp: 1358 hardirqs last enabled at (1357): [] kasan_quarantine_put+0x8b/0x1f0 hardirqs last disabled at (1358): [] __schedule+0x1225/0x2470 softirqs last enabled at (1292): [] netlink_insert+0x187/0x1700 softirqs last disabled at (1290): [] release_sock+0x1b/0x1b0 ---[ end trace 0000000000000000 ]--- netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. syz-executor.2 (3833) used greatest stack depth: 24048 bytes left netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 2, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 3, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 4, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 5, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 6, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 7, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer device syz_tun entered promiscuous mode device syz_tun left promiscuous mode sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 device syz_tun entered promiscuous mode device syz_tun left promiscuous mode sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer hrtimer: interrupt took 17914 ns sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 02 00 loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop7: detected capacity change from 0 to 256 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow