general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 287 Comm: syz-executor.6 Not tainted 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 0000555557194400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555563c4c98 CR3: 00000000430d6000 CR4: 0000000000350ee0 Call Trace: ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fc282ddac27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffd09f44f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffd09f44fc0 RCX: 00007fc282ddac27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffd09f44fc0 RBP: 00007ffd09f44f9c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffd09f44cd5 R11: 0000000000000202 R12: 0000000000000032 R13: 00000000002e8e54 R14: 0000000000000013 R15: 00007ffd09f45000 Modules linked in: ---[ end trace d6552878da9e21d5 ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#2] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 CPU: 0 PID: 4787 Comm: syz-executor.1 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 RSP: 0018:ffff888043097608 EFLAGS: 00010256 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888032497608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d6b1407 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888032497978 R13: ffff888045a9ce00 R14: ffff888032497968 R15: 0000000000000024 FS: 0000555556a81400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd632e5c08 CR3: 000000003248a000 CR4: 0000000000350ef0 Call Trace: RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 0000555557194400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 CR2: 00005555563c4c98 CR3: 00000000430d6000 CR4: 0000000000350ee0 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f439997ec27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffd632e7448 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffd632e74d0 RCX: 00007f439997ec27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffd632e74d0 RBP: 00007ffd632e74ac R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffd632e71e5 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000002e8ec6 R14: 0000000000000009 R15: 00007ffd632e7510 Modules linked in: hpet: Lost 4 RTC interrupts ---[ end trace d6552878da9e21d6 ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#3] SMP KASAN NOPTI RSP: 0018:ffff888043097608 EFLAGS: 00010256 KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 289 Comm: syz-executor.4 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RSP: 0018:ffff8880434df608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d77318f R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880434df978 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R13: ffff88804461ce00 R14: ffff8880434df968 R15: 0000000000000024 FS: 000055555644a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 CR2: 0000001b2cf29000 CR3: 00000000434e0000 CR4: 0000000000350ee0 Call Trace: R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 0000555556a81400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd632e5c08 CR3: 000000003248a000 CR4: 0000000000350ef0 ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f18e2c26c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffcde423058 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffcde4230e0 RCX: 00007f18e2c26c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffcde4230e0 RBP: 00007ffcde4230bc R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffcde422df5 R11: 0000000000000202 R12: 0000000000000032 R13: 00000000002e8e62 R14: 0000000000000010 R15: 00007ffcde423120 Modules linked in: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#4] SMP KASAN NOPTI ---[ end trace d6552878da9e21d7 ]--- KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 286 Comm: syz-executor.7 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff88804260f608 EFLAGS: 00010256 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d6b62c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804260f978 R13: ffff8880439dad00 R14: ffff88804260f968 R15: 0000000000000024 FS: 00005555563b3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd632e5c08 CR3: 00000000426c8000 CR4: 0000000000350ef0 Call Trace: RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 FS: 000055555644a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cf29000 CR3: 00000000434e0000 CR4: 0000000000350ee0 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f0532754c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007fffdc3614c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007fffdc361550 RCX: 00007f0532754c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007fffdc361550 RBP: 00007fffdc36152c R08: 0000000000000000 R09: 0000000000000005 R10: 00007fffdc361265 R11: 0000000000000202 R12: 0000000000000032 R13: 00000000002e8e62 R14: 0000000000000014 R15: 00007fffdc361590 Modules linked in: hpet: Lost 7 RTC interrupts ---[ end trace d6552878da9e21d8 ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 00005555563b3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd632e5c08 CR3: 00000000426c8000 CR4: 0000000000350ef0 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#5] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 284 Comm: syz-executor.3 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff88803f41f608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d776c9f R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803f41f978 R13: ffff888045634400 R14: ffff88803f41f968 R15: 0000000000000024 FS: 00005555568c0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce86da5718 CR3: 000000003f420000 CR4: 0000000000350ee0 Call Trace: ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fa7fa2e1c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffc27678ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc27678f50 RCX: 00007fa7fa2e1c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc27678f50 RBP: 00007ffc27678f2c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffc27678c65 R11: 0000000000000202 R12: 0000000000000032 R13: 00000000002e8e8f R14: 0000000000000003 R15: 00007ffc27678f90 Modules linked in: ---[ end trace d6552878da9e21d9 ]--- general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#6] SMP KASAN NOPTI RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 285 Comm: syz-executor.5 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RSP: 0018:ffff88804060f608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d6b27b7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804060f978 R13: ffff8880485eab00 R14: ffff88804060f968 R15: 0000000000000024 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 FS: 000055555561c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 CR2: 00007febe9e7c060 CR3: 000000004068c000 CR4: 0000000000350ef0 Call Trace: RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 00005555568c0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 CR2: 00007fce86da5718 CR3: 000000003f420000 CR4: 0000000000350ee0 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fe253e9bc27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffda36f79e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffda36f7a70 RCX: 00007fe253e9bc27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffda36f7a70 RBP: 00007ffda36f7a4c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffda36f7785 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000002e8e7b R14: 0000000000000006 R15: 00007ffda36f7ab0 Modules linked in: hpet: Lost 5 RTC interrupts ---[ end trace d6552878da9e21da ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 000055555561c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febe9e7c060 CR3: 000000004068c000 CR4: 0000000000350ef0 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#7] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 283 Comm: syz-executor.2 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff88803e7f7608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d693b67 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803e7f7978 R13: ffff88800f48e200 R14: ffff88803e7f7968 R15: 0000000000000024 FS: 0000555555ebd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc343c9e98 CR3: 000000003e7ea000 CR4: 0000000000350ee0 Call Trace: ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f0317b54c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffc343cb6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc343cb760 RCX: 00007f0317b54c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc343cb760 RBP: 00007ffc343cb73c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffc343cb475 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000002e90fd R14: 000000000000000c R15: 00007ffc343cb7a0 Modules linked in: ---[ end trace d6552878da9e21db ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 0000555555ebd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc343c9e98 CR3: 000000003e7ea000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#8] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 288 Comm: syz-executor.0 Tainted: G D 5.10.155 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888042dcf608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d69318f R10: 0000000000000000 R11: 0000000000000001 R12: ffff888042dcf978 R13: ffff888048a36600 R14: ffff888042dcf968 R15: 0000000000000024 FS: 0000555556028400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc343c9e98 CR3: 0000000042e4e000 CR4: 0000000000350ee0 Call Trace: ext4_xattr_ibody_set+0x78/0x2b0 fs/ext4/xattr.c:2227 ext4_xattr_set_handle+0x94b/0x1320 fs/ext4/xattr.c:2384 ext4_initxattrs+0xb5/0x120 fs/ext4/xattr_security.c:43 security_inode_init_security+0x1a7/0x360 security/security.c:1069 __ext4_new_inode+0x383f/0x5400 fs/ext4/ialloc.c:1319 ext4_mkdir+0x32c/0xb10 fs/ext4/namei.c:2859 vfs_mkdir+0x41f/0x660 fs/namei.c:3645 do_mkdirat+0x145/0x2a0 fs/namei.c:3668 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fce89870c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007ffc2435f2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc2435f360 RCX: 00007fce89870c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc2435f360 RBP: 00007ffc2435f33c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffc2435f075 R11: 0000000000000206 R12: 0000000000000032 R13: 00000000002e902a R14: 000000000000000e R15: 00007ffc2435f3a0 Modules linked in: ---[ end trace d6552878da9e21dc ]--- RIP: 0010:ext4_xattr_set_entry+0x2d1/0x38d0 fs/ext4/xattr.c:1586 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 e5 32 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2e 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c5 RSP: 0018:ffff888043097608 EFLAGS: 00010256 RAX: dffffc0000000000 RBX: 0000000000000021 RCX: ffffffff81ad73d1 RDX: 0000000000000000 RSI: ffffffff81ad7102 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88801d774f17 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888043097978 R13: ffff888044348600 R14: ffff888043097968 R15: 0000000000000024 FS: 0000555556028400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc343c9e98 CR3: 0000000042e4e000 CR4: 0000000000350ee0 kmemleak: 44 new suspected memory leaks (see /sys/kernel/debug/kmemleak) ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 fc add %bh,%ah 6: ff (bad) 7: df 48 c1 fisttps -0x3f(%rax) a: ea (bad) b: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 11: 85 e5 test %esp,%ebp 13: 32 00 xor (%rax),%al 15: 00 48 b8 add %cl,-0x48(%rax) 18: 00 00 add %al,(%rax) 1a: 00 00 add %al,(%rax) 1c: 00 fc add %bh,%ah 1e: ff (bad) 1f: df 49 8b fisttps -0x75(%rcx) 22: 2e 48 89 ea cs mov %rbp,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction 2e: 48 89 e8 mov %rbp,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 03 add $0x3,%eax 37: 38 d0 cmp %dl,%al 39: 7c 08 jl 0x43 3b: 84 d2 test %dl,%dl 3d: 0f .byte 0xf 3e: 85 c5 test %eax,%ebp