general protection fault, probably for non-canonical address 0xdffffc0004000018: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200000c0-0x00000000200000c7] CPU: 1 PID: 4056 Comm: syz-executor.7 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001440 CR3: 000000003f2ca000 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: 0033:0x7f3ef23f9b19 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:00007f3eef96f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f3ef250cf60 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020001440 RDI: 0000000000000003 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef96f300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001440 CR3: 000000003f2ca000 CR4: 0000000000350ee0 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 general protection fault, probably for non-canonical address 0xdffffc00040004d8: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200026c0-0x00000000200026c7] CPU: 0 PID: 4154 Comm: syz-executor.7 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:ffff88800f617c78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff88800f617d60 RCX: ffffc90007e3e000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100a R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100a R11: 0000000000000001 R12: ffff88803f673400 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f3eef94e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3eef94dff8 CR3: 0000000035466000 CR4: 0000000000350ef0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3ef23f9b19 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:00007f3eef94e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f3ef250d020 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000006 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef94e300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef94e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3eef94dff8 CR3: 0000000035466000 CR4: 0000000000350ef0 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 general protection fault, probably for non-canonical address 0xdffffc00040004d8: 0000 [#3] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200026c0-0x00000000200026c7] CPU: 1 PID: 4178 Comm: syz-executor.7 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:ffff8880416afc78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff8880416afd60 RCX: ffffc90007e3e000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100a R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100a R11: 0000000000000001 R12: ffff888018076c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f3eef94e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 000000003fb7a000 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: 0033:0x7f3ef23f9b19 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:00007f3eef94e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f3ef250d020 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000006 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef94e300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef94e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 000000003fb7a000 CR4: 0000000000350ee0 memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4209 'syz-executor.5' loop5: detected capacity change from 0 to 264192 FAT-fs (loop5): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value loop5: detected capacity change from 0 to 264192 FAT-fs (loop5): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value general protection fault, probably for non-canonical address 0xdffffc00040004d8: 0000 [#4] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200026c0-0x00000000200026c7] CPU: 1 PID: 4214 Comm: syz-executor.7 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:ffff888041c47c78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff888041c47d60 RCX: ffffc90006a34000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100a R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100a R11: 0000000000000001 R12: ffff88801039e780 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 000000001bab2000 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: 0033:0x7f3ef23f9b19 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:00007f3eef96f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f3ef250cf60 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000006 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef96f300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 000000001bab2000 CR4: 0000000000350ee0 loop3: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 264192 FAT-fs (loop3): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value FAT-fs (loop5): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value loop2: detected capacity change from 0 to 264192 FAT-fs (loop2): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value general protection fault, probably for non-canonical address 0xdffffc00040004d8: 0000 [#5] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200026c0-0x00000000200026c7] CPU: 1 PID: 4245 Comm: syz-executor.7 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:ffff888041567c78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff888041567d60 RCX: ffffc90006a34000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000100a R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000100a R11: 0000000000000001 R12: ffff88801689ef00 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 00000000348bc000 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: 0033:0x7f3ef23f9b19 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:00007f3eef96f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f3ef250cf60 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000006 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef96f300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef96f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001140 CR3: 00000000348bc000 CR4: 0000000000350ee0 loop3: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 264192 FAT-fs (loop3): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value FAT-fs (loop5): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value loop2: detected capacity change from 0 to 264192 FAT-fs (loop2): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value general protection fault, probably for non-canonical address 0xdffffc0004000008: 0000 [#6] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000040-0x0000000020000047] CPU: 0 PID: 4284 Comm: syz-executor.7 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:ffff88804157fc70 EFLAGS: 00010212 RAX: 0000000020000040 RBX: ffff88804157fd58 RCX: ffffc90006a34000 RDX: 0000000004000008 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000003f R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000003f R11: 0000000000000001 R12: ffff88800fd7a000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c9bd00 FS: 00007f3eef96f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3ef25061d8 CR3: 0000000013fc6000 CR4: 0000000000350ef0 Call Trace: vfs_readv+0xe5/0x160 do_readv+0x27d/0x300 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3ef23f9b19 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:00007f3eef96f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 00007f3ef250cf60 RCX: 00007f3ef23f9b19 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f3ef2453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4a5c624f R14: 00007f3eef96f300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f3eef96f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3ef25061d8 CR3: 0000000013fc6000 CR4: 0000000000350ef0 loop3: detected capacity change from 0 to 264192 FAT-fs (loop3): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value loop5: detected capacity change from 0 to 264192 loop2: detected capacity change from 0 to 264192 FAT-fs (loop5): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value FAT-fs (loop2): Unrecognized mount option "00000000000000000000003ÿÿÿÿÿÿÿÿ" or missing value general protection fault, probably for non-canonical address 0xdffffc0004000028: 0000 [#7] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000140-0x0000000020000147] CPU: 0 PID: 4337 Comm: syz-executor.0 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:ffff8880423dfc78 EFLAGS: 00010216 RAX: 0000000020000140 RBX: ffff8880423dfd60 RCX: ffffc90000803000 RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000000ff6 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000ff6 R11: 0000000000000001 R12: ffff88802e822500 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f83e0432700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c021000 CR3: 000000000de44000 CR4: 0000000000350ef0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f83e2ebcb19 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:00007f83e0432188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f83e2fcff60 RCX: 00007f83e2ebcb19 RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000003 RBP: 00007f83e2f16f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4e536cdf R14: 00007f83e0432300 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:ffff8880420b7c78 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880420b7d60 RCX: ffffc90006a34000 RDX: 0000000004000018 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000001 R12: ffff88803f360280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84c6aba0 FS: 00007f83e0432700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c021000 CR3: 000000000de44000 CR4: 0000000000350ef0 Bluetooth: hci1: command 0x0405 tx timeout ext3: Unknown parameter 'rootcontext user_u' ext3: Unknown parameter 'rootcontext user_u' ---------------- 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)