general protection fault, probably for non-canonical address 0xdffffc0004000208: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020001040-0x0000000020001047] CPU: 1 PID: 4102 Comm: syz-executor.1 Not tainted 6.3.0-rc3-next-20230327 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff8880417e7c78 EFLAGS: 00010212 RAX: 0000000020001040 RBX: ffff8880417e7d60 RCX: ffffc900007ff000 RDX: 0000000004000208 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff8880069d8000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a66820 FS: 00007fc69acd1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc69d86aaf8 CR3: 000000001d394000 CR4: 0000000000350ee0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc69d75bb19 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:00007fc69acd1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007fc69d86ef60 RCX: 00007fc69d75bb19 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007fc69d7b5f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb967143f R14: 00007fc69acd1300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff8880417e7c78 EFLAGS: 00010212 RAX: 0000000020001040 RBX: ffff8880417e7d60 RCX: ffffc900007ff000 RDX: 0000000004000208 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff8880069d8000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a66820 FS: 00007fc69acd1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc69d86aaf8 CR3: 000000001d394000 CR4: 0000000000350ee0 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=45 sclass=netlink_tcpdiag_socket pid=4114 comm=syz-executor.0 audit: type=1326 audit(1679921394.149:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4121 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fd4827dab19 code=0x0 Bluetooth: hci0: Opcode 0x c03 failed: -4 Bluetooth: hci0: Opcode 0x c03 failed: -4 Bluetooth: hci0: Opcode 0x c03 failed: -4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=45 sclass=netlink_tcpdiag_socket pid=4177 comm=syz-executor.0 Bluetooth: hci0: Opcode 0x c03 failed: -4 audit: type=1326 audit(1679921395.689:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4194 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fd4827dab19 code=0x0 Bluetooth: hci0: Opcode 0x c03 failed: -4 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1400 audit(1679921396.686:12): avc: denied { write } for pid=4239 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'. block device autoloading is deprecated and will be removed. audit: type=1400 audit(1679921399.900:13): avc: denied { read } for pid=4595 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 general protection fault, probably for non-canonical address 0xdffffc0004000028: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000140-0x0000000020000147] CPU: 1 PID: 4745 Comm: syz-executor.5 Tainted: G D 6.3.0-rc3-next-20230327 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff8880430efc78 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff8880430efd60 RCX: ffffc90004c21000 RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000000ff6 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000ff6 R11: 0000000000000001 R12: ffff88800e09c780 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f95b7e19700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 00000000442d8000 CR4: 0000000000350ee0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f95ba8a3b19 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:00007f95b7e19188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f95ba9b6f60 RCX: 00007f95ba8a3b19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000003 RBP: 00007f95ba8fdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3d8e44ef R14: 00007f95b7e19300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff8880417e7c78 EFLAGS: 00010212 RAX: 0000000020001040 RBX: ffff8880417e7d60 RCX: ffffc900007ff000 RDX: 0000000004000208 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff8880069d8000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a66820 FS: 00007f95b7e19700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 00000000442d8000 CR4: 0000000000350ee0 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. general protection fault, probably for non-canonical address 0xdffffc0004000020: 0000 [#3] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000100-0x0000000020000107] CPU: 1 PID: 4791 Comm: syz-executor.5 Tainted: G D 6.3.0-rc3-next-20230327 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888044277c70 EFLAGS: 00010212 RAX: 0000000020000100 RBX: ffff888044277d60 RCX: ffffc90004c21000 RDX: 0000000004000020 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888013e36780 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84a66820 FS: 00007f95b7e19700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f95ba9b2af8 CR3: 000000000b3d4000 CR4: 0000000000350ee0 Call Trace: vfs_writev+0x1ae/0x660 __x64_sys_pwritev+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f95ba8a3b19 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:00007f95b7e19188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f95ba9b6f60 RCX: 00007f95ba8a3b19 RDX: 0000000000000001 RSI: 0000000020000540 RDI: 0000000000000003 RBP: 00007f95ba8fdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000e22b R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3d8e44ef R14: 00007f95b7e19300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff8880417e7c78 EFLAGS: 00010212 RAX: 0000000020001040 RBX: ffff8880417e7d60 RCX: ffffc900007ff000 RDX: 0000000004000208 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff8880069d8000 ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 52 02 test %edx,0x2(%rdx) 5: 00 00 add %al,(%rax) 7: 4d 8b 7c 24 28 mov 0x28(%r12),%r15 c: e8 48 2c c6 ff callq 0xffc62c59 11: 48 8b 44 24 18 mov 0x18(%rsp),%rax 16: 80 38 00 cmpb $0x0,(%rax) 19: 0f 85 1c 02 00 00 jne 0x23b 1f: 48 8b 43 18 mov 0x18(%rbx),%rax 23: 48 89 c2 mov %rax,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) <-- trapping instruction 2f: 0f 85 ef 01 00 00 jne 0x224 35: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 3a: 48 8b 30 mov (%rax),%rsi 3d: 80 39 00 cmpb $0x0,(%rcx)