warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4526 at lib/iov_iter.c:385 _copy_from_iter+0x2b2/0x1330
Modules linked in:
CPU: 1 PID: 4526 Comm: syz-executor.7 Not tainted 6.3.0-rc7-next-20230420 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2b2/0x1330
Code: 5d 41 5e 41 5f e9 12 68 36 02 e8 79 69 36 ff be 85 01 00 00 48 c7 c7 e0 cc 9e 84 e8 68 7a 5a ff e9 51 fe ff ff e8 5e 69 36 ff <0f> 0b 45 31 f6 eb 87 e8 52 69 36 ff 31 ff 89 ee e8 89 64 36 ff 40
RSP: 0018:ffff888043f17608 EFLAGS: 00010216
RAX: 0000000000003bab RBX: 0000000000000000 RCX: ffffc900031e8000
RDX: 0000000000040000 RSI: ffffffff82156b92 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffff888043f17838 R14: 0000000000001000 R15: ffff888043f17838
FS: 00007f7638064700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c322000 CR3: 000000000ec0a000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x16c0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
sg_write.part.0+0x698/0xac0
sg_write+0x8d/0xe0
vfs_write+0x2d8/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f763aaeeb19
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:00007f7638064188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f763ac01f60 RCX: 00007f763aaeeb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f763ab48f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6e34d8df R14: 00007f7638064300 R15: 0000000000022000
irq event stamp: 1371
hardirqs last enabled at (1383): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1394): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (908): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (887): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 PID: 4548 Comm: syz-executor.5 Tainted: G W 6.3.0-rc7-next-20230420 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xc1/0xf0
should_fail_ex+0x4b4/0x5b0
should_failslab+0x9/0x20
kmem_cache_alloc_node+0x5d/0x3a0
copy_process+0x3c2/0x7330
kernel_clone+0xeb/0x7d0
__do_sys_clone3+0x1d5/0x2e0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fdf091c0b19
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:00007fdf06736188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fdf092d3f60 RCX: 00007fdf091c0b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fdf067361d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcd09595cf R14: 00007fdf06736300 R15: 0000000000022000
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4526 comm=syz-executor.7
audit: type=1400 audit(1682118031.695:15): avc: denied { read } for pid=4524 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1