general protection fault, probably for non-canonical address 0xdffffc0004000048: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000240-0x0000000020000247] CPU: 1 PID: 5943 Comm: syz-executor.4 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:ffff88803f4b7c78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4b7d60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800dc21900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 0000000009838000 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: 0033:0x7f77a3f8cb19 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:00007f77a1502188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f77a409ff60 RCX: 00007f77a3f8cb19 RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003 RBP: 00007f77a3fe6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2039c3cf R14: 00007f77a1502300 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:ffff88803f4b7c78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4b7d60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800dc21900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 0000000009838000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0004000048: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000240-0x0000000020000247] CPU: 0 PID: 5961 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_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:ffff88803af2fc78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803af2fd60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800c587900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f28af4503a4 CR3: 000000000d9c4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f77a3f8cb19 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:00007f77a1502188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f77a409ff60 RCX: 00007f77a3f8cb19 RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003 RBP: 00007f77a3fe6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2039c3cf R14: 00007f77a1502300 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:ffff88803f4b7c78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4b7d60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800dc21900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f28af4503a4 CR3: 000000000d9c4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 general protection fault, probably for non-canonical address 0xdffffc0004000048: 0000 [#3] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000240-0x0000000020000247] CPU: 1 PID: 6007 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_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:ffff88803f4afc78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4afd60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff888015ae3180 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 000000000e60c000 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: 0033:0x7f77a3f8cb19 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:00007f77a1502188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f77a409ff60 RCX: 00007f77a3f8cb19 RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003 RBP: 00007f77a3fe6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2039c3cf R14: 00007f77a1502300 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:ffff88803f4b7c78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4b7d60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800dc21900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 000000000e60c000 CR4: 0000000000350ee0 general protection fault, probably for non-canonical address 0xdffffc0004000048: 0000 [#4] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000240-0x0000000020000247] CPU: 1 PID: 6057 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_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:ffff88800bb7fc78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88800bb7fd60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800f607400 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 000000003acc0000 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: 0033:0x7f77a3f8cb19 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:00007f77a1502188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007f77a409ff60 RCX: 00007f77a3f8cb19 RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003 RBP: 00007f77a3fe6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2039c3cf R14: 00007f77a1502300 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:ffff88803f4b7c78 EFLAGS: 00010216 RAX: 0000000020000240 RBX: ffff88803f4b7d60 RCX: ffffc900047f3000 RDX: 0000000004000048 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 000000000000009b R08: 0000000000000007 R09: 0000000000000000 R10: 000000000000009b R11: 0000000000000001 R12: ffff88800dc21900 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f77a1502700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 000000003acc0000 CR4: 0000000000350ee0 audit: type=1326 audit(1679914626.221:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6060 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4ddfcf8b19 code=0x0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium audit: type=1326 audit(1679914627.054:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6060 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4ddfcf8b19 code=0x0 loop4: detected capacity change from 0 to 132 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium audit: type=1326 audit(1679914627.181:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6103 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4ddfcf8b19 code=0x0 loop4: detected capacity change from 0 to 132 loop4: detected capacity change from 0 to 132 loop6: detected capacity change from 0 to 8 loop6: detected capacity change from 0 to 8 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop4: detected capacity change from 0 to 132 audit: type=1326 audit(1679914628.084:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6137 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4ddfcf8b19 code=0x0 loop6: detected capacity change from 0 to 8 loop6: detected capacity change from 0 to 8 loop1: detected capacity change from 0 to 8 loop4: detected capacity change from 0 to 8 loop7: detected capacity change from 0 to 8 I/O error, dev loop6, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium audit: type=1326 audit(1679914629.010:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6178 comm="syz-executor.3" exe="/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4ddfcf8b19 code=0x0 loop6: detected capacity change from 0 to 8 loop4: detected capacity change from 0 to 8 loop2: detected capacity change from 0 to 8 loop0: detected capacity change from 0 to 8 loop7: detected capacity change from 0 to 8 loop1: detected capacity change from 0 to 8 loop6: detected capacity change from 0 to 8 loop4: detected capacity change from 0 to 8 loop2: detected capacity change from 0 to 8 loop1: detected capacity change from 0 to 8 loop5: detected capacity change from 0 to 144 EXT4-fs (loop5): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir704516381/syzkaller.2HezNk/108/mnt supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop5): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop5: detected capacity change from 0 to 144 EXT4-fs (loop5): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir704516381/syzkaller.2HezNk/109/mnt supports timestamps until 2038-01-19 (0x7fffffff) loop0: detected capacity change from 0 to 8 EXT4-fs (loop5): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop7: detected capacity change from 0 to 8 loop3: detected capacity change from 0 to 144 loop5: detected capacity change from 0 to 144 EXT4-fs (loop3): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir562709455/syzkaller.SksUlb/104/mnt supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop3): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. I/O error, dev loop7, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 EXT4-fs (loop5): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir704516381/syzkaller.2HezNk/110/mnt supports timestamps until 2038-01-19 (0x7fffffff) loop4: detected capacity change from 0 to 144 EXT4-fs (loop4): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir582002276/syzkaller.WBtWlf/127/mnt supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop5): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. EXT4-fs (loop4): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop5: detected capacity change from 0 to 144 loop4: detected capacity change from 0 to 144 EXT4-fs (loop5): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir704516381/syzkaller.2HezNk/111/mnt supports timestamps until 2038-01-19 (0x7fffffff) loop3: detected capacity change from 0 to 144 EXT4-fs (loop4): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir582002276/syzkaller.WBtWlf/128/mnt supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop4): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. EXT4-fs (loop5): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. EXT4-fs (loop3): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir562709455/syzkaller.SksUlb/106/mnt supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 8 EXT4-fs (loop3): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop6: detected capacity change from 0 to 8 I/O error, dev loop6, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 loop7: detected capacity change from 0 to 144 loop4: detected capacity change from 0 to 144 EXT4-fs (loop4): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. EXT4-fs (loop7): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir582002276/syzkaller.WBtWlf/129/mnt supports timestamps until 2038-01-19 (0x7fffffff) ext4 filesystem being mounted at /syzkaller-testdir571139724/syzkaller.CKFjir/110/mnt supports timestamps until 2038-01-19 (0x7fffffff) loop0: detected capacity change from 0 to 8 loop6: detected capacity change from 0 to 8 EXT4-fs (loop7): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. EXT4-fs (loop4): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop7: detected capacity change from 0 to 144 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 EXT4-fs (loop7): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir571139724/syzkaller.CKFjir/111/mnt supports timestamps until 2038-01-19 (0x7fffffff) wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 EXT4-fs (loop7): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. loop7: detected capacity change from 0 to 144 EXT4-fs (loop7): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir571139724/syzkaller.CKFjir/112/mnt supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ---------------- 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)