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: 11818 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 1 PID: 11818 Comm: syz-executor.7 Not tainted 6.2.0-rc7-next-20230206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2b2/0x1140 Code: 5d 41 5e 41 5f e9 d2 68 33 02 e8 a9 49 36 ff be 79 02 00 00 48 c7 c7 c0 c7 9e 84 e8 b8 01 5a ff e9 51 fe ff ff e8 8e 49 36 ff <0f> 0b 45 31 f6 eb 87 e8 82 49 36 ff 31 ff 89 ee e8 e9 44 36 ff 40 RSP: 0018:ffff8880427e7608 EFLAGS: 00010212 RAX: 00000000000053bd RBX: 0000000000000000 RCX: ffffc9000501f000 RDX: 0000000000040000 RSI: ffffffff82151252 RDI: 0000000000000001 RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880427e7838 R14: 0000000000001000 R15: ffff8880427e7838 FS: 00007fdaaafb3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c624000 CR3: 0000000015eac000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: copy_page_from_iter+0x251/0x430 blk_rq_map_user_iov+0xb41/0x16c0 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+0x2cf/0xdc0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fdaada3db19 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:00007fdaaafb3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdaadb50f60 RCX: 00007fdaada3db19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fdaada97f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe99797e4f R14: 00007fdaaafb3300 R15: 0000000000022000 irq event stamp: 4197 hardirqs last enabled at (4231): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4272): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (1100): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (983): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- 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 netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'. 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 netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1400 audit(1675682031.357:37): avc: denied { relabelto } for pid=11923 comm="syz-executor.2" name="file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.381:38): avc: denied { getattr } for pid=11923 comm="syz-executor.2" path="/syzkaller-testdir026777493/syzkaller.YCRSjU/370/file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.391:39): avc: denied { read write } for pid=11923 comm="syz-executor.2" name="file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.398:40): avc: denied { open } for pid=11923 comm="syz-executor.2" path="/syzkaller-testdir026777493/syzkaller.YCRSjU/370/file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.474:41): avc: denied { ioctl } for pid=11923 comm="syz-executor.2" path="/syzkaller-testdir026777493/syzkaller.YCRSjU/370/file1" dev="sda" ino=16088 ioctlcmd=0x9403 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.500:42): avc: denied { relabelfrom } for pid=11923 comm="syz-executor.2" name="file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1675682031.582:43): avc: denied { unlink } for pid=269 comm="syz-executor.2" name="file1" dev="sda" ino=16088 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 Bluetooth: MGMT ver 1.22 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none. sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_print_req_error: 31 callbacks suppressed I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 buffer_io_error: 30 callbacks suppressed 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 EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none. 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 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 ieee802154 phy0 wpan0: encryption failed: -22 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 ieee802154 phy0 wpan0: encryption failed: -22 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 ieee802154 phy0 wpan0: encryption failed: -22 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 ieee802154 phy0 wpan0: encryption failed: -22