------------[ cut here ]------------ WARNING: CPU: 0 PID: 4586 at mm/gup.c:2121 is_valid_gup_args+0x1dc/0x230 Modules linked in: CPU: 0 PID: 4586 Comm: syz-executor.6 Not tainted 6.2.0-rc7-next-20230207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:is_valid_gup_args+0x1dc/0x230 Code: dd ff 48 83 3c 24 00 0f 85 76 ff ff ff e8 5c 50 dd ff 0f 0b 45 31 e4 eb c9 e8 50 50 dd ff 0f 0b 45 31 e4 eb bd e8 44 50 dd ff <0f> 0b 45 31 e4 eb b1 e8 38 50 dd ff 0f 0b 45 31 e4 eb a5 e8 2c 50 RSP: 0018:ffff8880163f7508 EFLAGS: 00010212 RAX: 000000000000ad02 RBX: 0000000000040000 RCX: ffffc900027fb000 RDX: 0000000000040000 RSI: ffffffff816e127c RDI: 0000000000000005 RBP: ffff8880163f7568 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000040000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000040000 R15: 0000000000040000 FS: 00007fbfde51c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bf21000 CR3: 000000001b53a000 CR4: 0000000000350ef0 Call Trace: pin_user_pages_fast+0x83/0x100 iov_iter_extract_pages+0x2b9/0x1e90 bio_iov_iter_get_pages+0x341/0x13c0 iomap_dio_bio_iter+0x78e/0x1350 __iomap_dio_rw+0xe22/0x1ce0 iomap_dio_rw+0x40/0xa0 ext4_file_write_iter+0xb5d/0x1930 vfs_write+0x9b4/0xdc0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbfe0fa6b19 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:00007fbfde51c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbfe10b9f60 RCX: 00007fbfe0fa6b19 RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000006 RBP: 00007fbfe1000f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7605332f R14: 00007fbfde51c300 R15: 0000000000022000 irq event stamp: 2921 hardirqs last enabled at (2933): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2944): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2290): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (2189): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 63 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 63 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 63 (only 16 groups) EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 63 (only 16 groups) ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 63 (only 16 groups) loop6: detected capacity change from 0 to 40 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 loop6: detected capacity change from 0 to 40 loop6: detected capacity change from 0 to 40 process 'syz-executor.4' launched './file1' with NULL argv: empty string added syz-executor.3 (4758) used greatest stack depth: 23640 bytes left audit: type=1326 audit(1675771355.706:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4871 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2fa7efcb19 code=0x0 audit: type=1400 audit(1675771356.288:13): avc: denied { write } for pid=4895 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 audit: type=1326 audit(1675771356.542:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4871 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2fa7efcb19 code=0x0 audit: type=1326 audit(1675771356.670:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4918 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2fa7efcb19 code=0x0 audit: type=1326 audit(1675771356.807:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4930 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbfe0fa6b19 code=0x0 audit: type=1326 audit(1675771357.850:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4962 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbfe0fa6b19 code=0x0 audit: type=1326 audit(1675771357.856:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4955 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2fa7efcb19 code=0x0 loop5: detected capacity change from 0 to 40 audit: type=1326 audit(1675771358.987:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4989 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fbfe0fa6b19 code=0x0 audit: type=1326 audit(1675771358.995:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4996 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2fa7efcb19 code=0x0 loop5: detected capacity change from 0 to 40 syz-executor.5: attempt to access beyond end of device loop5: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop5, logical block 10, lost async page write