general protection fault, probably for non-canonical address 0xdffffc0004000090: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000480-0x0000000020000487] CPU: 0 PID: 3963 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_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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007fbce196f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002500 CR3: 000000000fde4000 CR4: 0000000000350ef0 Call Trace: vfs_writev+0x1ae/0x660 do_writev+0x133/0x300 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbce43f9b19 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:00007fbce196f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fbce450cf60 RCX: 00007fbce43f9b19 RDX: 0000000000000001 RSI: 0000000020002500 RDI: 0000000000000003 RBP: 00007fbce4453f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff013cc40f R14: 00007fbce196f300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007fbce196f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002500 CR3: 000000000fde4000 CR4: 0000000000350ef0 hrtimer: interrupt took 16792 ns audit: type=1400 audit(1679921234.763:10): avc: denied { write } for pid=3995 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 syz-executor.4 (3989) used greatest stack depth: 23384 bytes left memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4016 'syz-executor.7' loop7: detected capacity change from 0 to 9 loop7: detected capacity change from 0 to 9 loop7: detected capacity change from 0 to 9 loop7: detected capacity change from 0 to 9 loop1: detected capacity change from 0 to 9 loop3: detected capacity change from 0 to 9 I/O error, dev loop7, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 loop7: detected capacity change from 0 to 9 loop3: detected capacity change from 0 to 9 audit: type=1400 audit(1679921236.870:11): avc: denied { read } for pid=4088 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 loop1: detected capacity change from 0 to 9 loop1: detected capacity change from 0 to 9 general protection fault, probably for non-canonical address 0xdffffc0004000018: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200000c0-0x00000000200000c7] CPU: 1 PID: 4122 Comm: syz-executor.4 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:ffff8880445cfc70 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880445cfd60 RCX: ffffc90004429000 RDX: 0000000004000018 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800e2f8f00 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491cda0 FS: 00007f391b53b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000040344000 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: 0033:0x7f391dfc5b19 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:00007f391b53b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f391e0d8f60 RCX: 00007f391dfc5b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f391e01ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec5bf8b2f R14: 00007f391b53b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007f391b53b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000040344000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0004000018: 0000 [#3] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200000c0-0x00000000200000c7] CPU: 0 PID: 4143 Comm: syz-executor.4 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:ffff88800ecb7c70 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff88800ecb7d60 RCX: ffffc90005632000 RDX: 0000000004000018 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800fba3b80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491cda0 FS: 00007f391b4f9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555562fa098 CR3: 0000000040344000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: vfs_writev+0x1ae/0x660 __x64_sys_pwritev+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f391dfc5b19 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:00007f391b4f9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f391e0d90e0 RCX: 00007f391dfc5b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f391e01ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec5bf8b2f R14: 00007f391b4f9300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007f391b4f9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555562fa098 CR3: 0000000040344000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 general protection fault, probably for non-canonical address 0xdffffc0004000018: 0000 [#4] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200000c0-0x00000000200000c7] CPU: 1 PID: 4162 Comm: syz-executor.4 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:ffff888043dbfc70 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff888043dbfd60 RCX: ffffc90004429000 RDX: 0000000004000018 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888041b64500 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491cda0 FS: 00007f391b53b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa38d226904 CR3: 000000000e3ac000 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: 0033:0x7f391dfc5b19 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:00007f391b53b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f391e0d8f60 RCX: 00007f391dfc5b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f391e01ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec5bf8b2f R14: 00007f391b53b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007f391b53b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa38d226904 CR3: 000000000e3ac000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0004000018: 0000 [#5] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200000c0-0x00000000200000c7] CPU: 0 PID: 4197 Comm: syz-executor.4 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:ffff8880440efc70 EFLAGS: 00010216 RAX: 00000000200000c0 RBX: ffff8880440efd60 RCX: ffffc90004429000 RDX: 0000000004000018 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800f08a280 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491cda0 FS: 00007f391b53b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000041e06000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: vfs_writev+0x1ae/0x660 __x64_sys_pwritev+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f391dfc5b19 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:00007f391b53b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f391e0d8f60 RCX: 00007f391dfc5b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f391e01ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec5bf8b2f R14: 00007f391b53b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880435d7c68 EFLAGS: 00010216 RAX: 0000000020000480 RBX: ffff8880435d7d58 RCX: ffffc90000e0e000 RDX: 0000000004000090 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000008 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000001 R12: ffff888018d48c80 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84911240 FS: 00007f391b53b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000041e06000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 loop6: detected capacity change from 0 to 1348 journal_path: not usable as path EXT4-fs: error: could not find journal device path journal_path: not usable as path EXT4-fs: error: could not find journal device path loop6: detected capacity change from 0 to 1348 loop6: detected capacity change from 0 to 1348 loop6: detected capacity change from 0 to 1348 program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 fd test %edi,%ebp 4: 01 00 add %eax,(%rax) 6: 00 4d 8b add %cl,-0x75(%rbp) 9: 7c 24 jl 0x2f b: 28 e8 sub %ch,%al d: d2 05 c6 ff 48 8b rolb %cl,-0x74b7003a(%rip) # 0x8b48ffd9 13: 44 24 18 rex.R and $0x18,%al 16: 80 38 00 cmpb $0x0,(%rax) 19: 0f 85 68 01 00 00 jne 0x187 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 3b 01 00 00 jne 0x170 35: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 3a: 48 8b 30 mov (%rax),%rsi 3d: 80 39 00 cmpb $0x0,(%rcx)