rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3 jiffies s: 313 root: 0x4/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 3 to CPUs 2:
NMI backtrace for cpu 2
CPU: 2 UID: 0 PID: 4456 Comm: syz-executor.1 Not tainted 6.13.0-rc5-00012-g0bc21e701a6f #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 kernel/kcov.c:210
Code: 7e 20 e8 a3 ff ff ff 31 c0 e9 5c c7 c1 02 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 0c 24 65 48 8b 15 d0 81 9c 46 65 8b 05 d1 81 9c
RSP: 0018:ffff88811b309410 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff888108373548 RCX: ffffffffb979004a
RDX: 1ffff1102106e6ea RSI: 0000000000000004 RDI: ffff888108373750
RBP: ffff88811b309868 R08: 0000000000000000 R09: ffffed102106e71b
R10: ffff8881083738db R11: 0000000000000000 R12: 0000000000000001
R13: ffff8881083738d8 R14: 00000000000081fc R15: 0000000000000000
FS:  00007f854ded7640(0000) GS:ffff88811b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db22000 CR3: 00000001033c8000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_event_account_interrupt kernel/events/core.c:9709 [inline]
 __perf_event_overflow+0x504/0xa00 kernel/events/core.c:9863
 perf_swevent_hrtimer+0x31c/0x380 kernel/events/core.c:11276
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x33c/0x790 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x2e9/0x770 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x88/0x260 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x32/0x80 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
RIP: 0010:unwind_next_frame+0xc42/0x2440 arch/x86/kernel/unwind_orc.c:648
Code: bf 69 02 ba 08 00 00 00 4c 89 ef 4c 01 f5 48 89 ee e8 c2 f1 ff ff 4d 8d 4d 40 84 c0 0f 84 bf f6 ff ff 48 89 ef e8 9e e9 ff ff <49> 8d 7d 50 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffff88811b309910 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88810a9c8000
RDX: ffff88810a9c7f01 RSI: ffff88810a9c7f48 RDI: ffff88810a9c7f48
RBP: ffff88810a9c7f48 R08: 0000000000000001 R09: ffff88811b3099c0
R10: ffff88811b309980 R11: 00000000000306a5 R12: ffff88811b3099e0
R13: ffff88811b309980 R14: ffff88810a9c7f58 R15: ffff88810a9c7f50
 arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8f/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0x8e/0xa0 mm/kasan/generic.c:544
 __call_rcu_common.constprop.0+0x6b/0xa90 kernel/rcu/tree.c:3086
 kmemleak_free_recursive include/linux/kmemleak.h:49 [inline]
 slab_free_hook mm/slub.c:2278 [inline]
 slab_free mm/slub.c:4613 [inline]
 kfree+0x1ef/0x370 mm/slub.c:4761
 slab_free_after_rcu_debug+0x6f/0x2a0 mm/slub.c:4650
 rcu_do_batch kernel/rcu/tree.c:2567 [inline]
 rcu_core+0x613/0x1a80 kernel/rcu/tree.c:2823
 handle_softirqs+0x1b8/0x5c0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu kernel/softirq.c:662 [inline]
 irq_exit_rcu+0xaf/0xe0 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x6c/0x80 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__kasan_unpoison_pages+0x2c/0x40 mm/kasan/common.c:136
Code: 1f 00 48 2b 3d 25 13 6c 03 89 f1 be 00 10 00 00 0f b6 d2 48 c1 ff 06 48 d3 e6 48 c1 e7 0c 48 03 3d 19 13 6c 03 e8 14 3d 00 00 <b8> 01 00 00 00 e9 ea 4d 91 02 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffff88810a9c6ec0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0004144f34 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed1020a28000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffed1020a27800 R11: ffff88813fffb2c0 R12: ffff88813fffb2c0
R13: dffffc0000000000 R14: ffff88813fffb2c0 R15: ffff88813fffb2c0
 kasan_unpoison_pages include/linux/kasan.h:125 [inline]
 post_alloc_hook mm/page_alloc.c:1542 [inline]
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0xd75/0x3970 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x2fb/0x2040 mm/page_alloc.c:4753
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 ___kmalloc_large_node+0x88/0x160 mm/slub.c:4243
 __kmalloc_large_node_noprof+0x18/0xa0 mm/slub.c:4270
 __do_kmalloc_node mm/slub.c:4286 [inline]
 __kmalloc_node_track_caller_noprof+0x378/0x450 mm/slub.c:4317
 kmalloc_reserve+0xc5/0x270 net/core/skbuff.c:609
 __alloc_skb+0x133/0x320 net/core/skbuff.c:678
 alloc_skb include/linux/skbuff.h:1323 [inline]
 alloc_skb_with_frags+0x87/0x6a0 net/core/skbuff.c:6612
 sock_alloc_send_pskb+0x711/0x8b0 net/core/sock.c:2881
 unix_dgram_sendmsg+0x3b3/0x1580 net/unix/af_unix.c:2027
 unix_seqpacket_sendmsg+0xfe/0x180 net/unix/af_unix.c:2391
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 sock_sendmsg+0x35a/0x3f0 net/socket.c:749
 splice_to_socket+0x916/0xe20 fs/splice.c:889
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x181/0x5d0 fs/splice.c:1164
 splice_direct_to_actor+0x2f1/0x9f0 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x15d/0x220 fs/splice.c:1233
 do_sendfile+0x9ea/0xde0 fs/read_write.c:1363
 __do_sys_sendfile64 fs/read_write.c:1424 [inline]
 __se_sys_sendfile64 fs/read_write.c:1410 [inline]
 __x64_sys_sendfile64+0x19f/0x1e0 fs/read_write.c:1410
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xa6/0x1a0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f854ebf842d
Code: c3 e8 97 2b 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f854ded7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f854edebf80 RCX: 00007f854ebf842d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000006
RBP: 00007f854ecb7922 R08: 0000000000000000 R09: 0000000000000000
R10: 0000100000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f854edebf80 R15: 00007f854deb7000
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
loop7: detected capacity change from 0 to 1036
 } 20 jiffies s: 313 root: 0x0/.
loop4: detected capacity change from 0 to 1024
ext4: Unknown parameter 'subj_user'
tmpfs: Bad value for 'mpol'
loop2: detected capacity change from 0 to 1024
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs error (device loop2): ext4_orphan_get:1415: comm syz-executor.2: bad orphan inode 83886080
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs error (device loop2): ext4_acquire_dquot:6936: comm syz-executor.2: Failed to acquire dquot type 0
EXT4-fs error (device loop2): ext4_acquire_dquot:6936: comm syz-executor.2: Failed to acquire dquot type 0
EXT4-fs error (device loop2): ext4_acquire_dquot:6936: comm syz-executor.2: Failed to acquire dquot type 0
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop3: detected capacity change from 0 to 128
9pnet_fd: Insufficient options for proto=fd
loop2: detected capacity change from 0 to 512
EXT4-fs: Ignoring removed nomblk_io_submit option
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4 jiffies s: 329 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
mmap: syz-executor.0 (4513): VmData 167342080 exceed data ulimit 0. Update limits or use boot option ignore_rlimit_data.
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3 jiffies s: 333 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 3 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 4456 Comm: syz-executor.1 Not tainted 6.13.0-rc5-00012-g0bc21e701a6f #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:149 [inline]
RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:264 [inline]
RIP: 0010:lapic_next_deadline+0x25/0x50 arch/x86/kernel/apic/apic.c:428
Code: 90 90 90 90 90 f3 0f 1e fa 66 0f 1f 44 00 00 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 92 89 f8 02 48 89 c6 31 d2 bf e0 06 00 00 e8 63 65
RSP: 0018:ffff88811b289830 EFLAGS: 00000013
RAX: 00000023b64a73ec RBX: ffff88811b2a8280 RCX: 00000000000006e0
RDX: 0000000000000023 RSI: ffff88811b2a8280 RDI: 00000000000001f7
RBP: 00000000000001f7 R08: 0000000000000001 R09: ffffed10236512e8
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000003 R14: ffff88811b2ac878 R15: ffff88811b2ac8b8
FS:  00007f854ded7640(0000) GS:ffff88811b280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3409f6000 CR3: 00000001033c8000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 clockevents_program_event+0x208/0x310 kernel/time/clockevents.c:334
 tick_program_event+0x72/0x100 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x335/0x770 kernel/time/hrtimer.c:1878
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x88/0x260 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x32/0x80 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__x86_indirect_thunk_r12+0xa/0x20
Code: e8 01 00 00 00 cc 4c 89 1c 24 e9 f1 04 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 44 00 00 e8 01 00 00 00 cc 4c 89 24 24 <e9> d1 04 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 44 00 00
RSP: 0018:ffff88811b289a08 EFLAGS: 00000282
RAX: ffffffffb9a7a40d RBX: ffff88811b289a18 RCX: ffff88810a9c8001
RDX: 1ffff1102365134e RSI: ffffffffb9a7a40d RDI: ffff88811b289ae8
RBP: ffff88811b289ab8 R08: 0000000000000001 R09: ffff88811b289a58
R10: ffff88811b289a18 R11: 0000000000008791 R12: ffffffffb9576e50
R13: ffff88811b289ae8 R14: 0000000000000000 R15: ffff88800cae5500
 __pfx_stack_trace_consume_entry+0x10/0x10
 arch_stack_walk+0x89/0x100 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x8f/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x37/0x50 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4613 [inline]
 kmem_cache_free+0xec/0x380 mm/slub.c:4715
 rcu_do_batch kernel/rcu/tree.c:2567 [inline]
 rcu_core+0x613/0x1a80 kernel/rcu/tree.c:2823
 handle_softirqs+0x1b8/0x5c0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu kernel/softirq.c:662 [inline]
 irq_exit_rcu+0xaf/0xe0 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x6c/0x80 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0xbd3/0x2440 arch/x86/kernel/unwind_orc.c:648
Code: 71 04 01 e8 1f 8b 19 00 4c 8b 0c 24 e9 3f f7 ff ff 48 be 00 00 00 00 00 fc ff df 48 8d 79 02 48 89 f8 48 c1 e8 03 0f b6 14 30 <48> 8d 41 03 49 89 c0 49 c1 e8 03 41 0f b6 34 30 49 89 f8 41 83 e0
RSP: 0018:ffff88810a9c75f8 EFLAGS: 00000212
RAX: 1ffffffff7bb13ef RBX: 0000000000000001 RCX: ffffffffbdd89f76
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffffffffbdd89f78
RBP: ffff88810a9c7710 R08: ffffffffbdd89f7a R09: ffff88810a9c76f8
R10: ffff88810a9c76b8 R11: 0000000000000bdc R12: ffff88810a9c7718
R13: ffff88810a9c76b8 R14: ffff88810a9c7768 R15: ffff88810a9c7760
 __unwind_start arch/x86/kernel/unwind_orc.c:760 [inline]
 __unwind_start+0x42f/0x7a0 arch/x86/kernel/unwind_orc.c:685
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8f/0xc0 kernel/stacktrace.c:122
 set_track_prepare+0x45/0x80 mm/kmemleak.c:641
 __alloc_object+0xc2/0x1f0 mm/kmemleak.c:687
 __create_object+0x1d/0x80 mm/kmemleak.c:759
 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
 slab_post_alloc_hook mm/slub.c:4123 [inline]
 slab_alloc_node mm/slub.c:4168 [inline]
 __do_kmalloc_node mm/slub.c:4297 [inline]
 __kmalloc_noprof+0x36a/0x450 mm/slub.c:4310
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kmalloc_array_noprof include/linux/slab.h:946 [inline]
 iter_file_splice_write+0x1b3/0xea0 fs/splice.c:683
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x181/0x5d0 fs/splice.c:1164
 splice_direct_to_actor+0x2f1/0x9f0 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x15d/0x220 fs/splice.c:1233
 do_sendfile+0x9ea/0xde0 fs/read_write.c:1363
 __do_sys_sendfile64 fs/read_write.c:1424 [inline]
 __se_sys_sendfile64 fs/read_write.c:1410 [inline]
 __x64_sys_sendfile64+0x19f/0x1e0 fs/read_write.c:1410
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xa6/0x1a0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f854ebf842d
Code: c3 e8 97 2b 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f854ded7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f854edebf80 RCX: 00007f854ebf842d
RDX: 0000000000000000 RSI: 000000000000000c RDI: 000000000000000b
RBP: 00007f854ecb7922 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f854edebf80 R15: 00007f854deb7000
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { } 18 jiffies s: 333 root: 0x0/.
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
virtio-pci 0000:00:03.0: MSI/MSI-X allowed for future drivers
loop4: detected capacity change from 0 to 512
virtio-pci 0000:00:03.0: MSI/MSI-X allowed for future drivers
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 : Illegal Request [current]
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 00 00 20 00 00 1e 00
loop7: detected capacity change from 0 to 128
loop7: detected capacity change from 0 to 132
iso9660: Unknown parameter 'giM0x0000000000000000'
EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1
loop2: detected capacity change from 0 to 512
EXT4-fs: Invalid want_extra_isize 3
syz-executor.4: attempt to access beyond end of device
loop4: rw=2049, sector=4472, nr_sectors = 4 limit=512
syz-executor.4: attempt to access beyond end of device
loop4: rw=524288, sector=4472, nr_sectors = 4 limit=512
syz-executor.4: attempt to access beyond end of device
loop4: rw=0, sector=4472, nr_sectors = 4 limit=512
syz-executor.4: attempt to access beyond end of device
loop4: rw=0, sector=4472, nr_sectors = 4 limit=512
kworker/u16:1: attempt to access beyond end of device
loop4: rw=1, sector=2392, nr_sectors = 2052 limit=512
loop2: detected capacity change from 0 to 4096
loop4: detected capacity change from 0 to 4096
EXT4-fs warning (device loop2): ext4_enable_quotas:7152: Failed to enable quota tracking (type=1, err=-13, ino=4). Please run e2fsck to fix.
EXT4-fs (loop2): mount failed
loop6: detected capacity change from 0 to 4096
EXT4-fs (loop6): stripe (5) is not aligned with cluster size (16), stripe is disabled
EXT4-fs (loop6): external journal device major/minor numbers have changed
syz-executor.6: attempt to access beyond end of device
md108: rw=0, sector=0, nr_sectors = 8 limit=0
EXT4-fs (loop6): couldn't read superblock of external journal
loop4: detected capacity change from 0 to 128
loop6: detected capacity change from 0 to 4196
EXT4-fs (loop6): failed to parse options in superblock: 1111111111111111111111111111111111111111111111111111111111111111
EXT4-fs (loop6): unsupported descriptor size 12593