Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.090139] ------------[ cut here ]------------ [ 39.091075] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.093680] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.095258] Modules linked in: [ 39.095909] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.097932] Tainted: [W]=WARN [ 39.098498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.099975] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.100887] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.104107] RSP: 0018:ffff88801606fbc0 EFLAGS: 00010286 [ 39.105117] RAX: 0000000000000000 RBX: ffffed1002c0df78 RCX: ffffffff813a4050 [ 39.106419] RDX: ffff88800f325340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.107727] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c0df2f [ 39.109039] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.110331] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801606fdf8 [ 39.111625] FS: 00007f2f6f4ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.113105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.114164] CR2: 00007f2f6fa654a6 CR3: 000000001cc99000 CR4: 0000000000350ef0 [ 39.115480] Call Trace: [ 39.115975] [ 39.116385] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.117298] ? __create_object+0x59/0x80 [ 39.118081] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.119054] __vmalloc_noprof+0x59/0x60 [ 39.119841] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.120658] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.121600] bpf_prog_alloc+0x39/0x200 [ 39.122343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.123298] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.124215] do_seccomp+0x349/0x25e0 [ 39.124944] ? find_held_lock+0x2b/0x80 [ 39.125662] ? do_prlimit+0x310/0x610 [ 39.126408] ? __pfx_do_seccomp+0x10/0x10 [ 39.127220] ? do_raw_spin_unlock+0x53/0x220 [ 39.128065] ? _raw_spin_unlock+0x1e/0x40 [ 39.128870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.129860] ? static_key_count+0x60/0x80 [ 39.130632] prctl_set_seccomp+0x4e/0x70 [ 39.131426] __do_sys_prctl+0xe6c/0x1d70 [ 39.132211] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.133089] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.134090] ? irqentry_exit+0xf3/0x650 [ 39.134860] do_syscall_64+0xbf/0x430 [ 39.135566] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.136527] RIP: 0033:0x7f2f6f9f15cd [ 39.137228] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.140460] RSP: 002b:00007ffc05428200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.141823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f6f9f15cd [ 39.143118] RDX: 0000563a1069de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.144427] RBP: 00007ffc05428260 R08: 0000000000000000 R09: 00007ffc05427900 [ 39.145722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a4a4ef2b0 [ 39.147058] R13: 00007ffc05428690 R14: 0000563a4a4f1d20 R15: 0000563a4a5038d0 [ 39.148372] [ 39.148837] irq event stamp: 1799 [ 39.149442] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 39.150986] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.152536] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.154071] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 39.155578] ---[ end trace 0000000000000000 ]--- [ 42.334511] ------------[ cut here ]------------ [ 42.335505] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.337544] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.339030] Modules linked in: [ 42.339647] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.341634] Tainted: [W]=WARN [ 42.342239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.343722] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.344640] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.347828] RSP: 0018:ffff888016757bc0 EFLAGS: 00010286 [ 42.348809] RAX: 0000000000000000 RBX: ffffed1002ceaf78 RCX: ffffffff813a4050 [ 42.350085] RDX: ffff88801605d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.351400] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ceaf2f [ 42.352680] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.353996] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016757df8 [ 42.355323] FS: 00007f70aa0ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.356779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.357842] CR2: 00007ffed8640ef8 CR3: 000000001cd36000 CR4: 0000000000350ef0 [ 42.359159] Call Trace: [ 42.359648] [ 42.360099] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.361026] ? __create_object+0x59/0x80 [ 42.361838] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.362864] __vmalloc_noprof+0x59/0x60 [ 42.363617] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.364483] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.365423] bpf_prog_alloc+0x39/0x200 [ 42.366151] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.367097] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.368023] do_seccomp+0x349/0x25e0 [ 42.368711] ? find_held_lock+0x2b/0x80 [ 42.369469] ? do_prlimit+0x310/0x610 [ 42.370240] ? __pfx_do_seccomp+0x10/0x10 [ 42.371023] ? do_raw_spin_unlock+0x53/0x220 [ 42.371877] ? _raw_spin_unlock+0x1e/0x40 [ 42.372622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.373578] ? static_key_count+0x60/0x80 [ 42.374399] prctl_set_seccomp+0x4e/0x70 [ 42.375194] __do_sys_prctl+0xe6c/0x1d70 [ 42.375997] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.376871] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.377860] ? irqentry_exit+0xf3/0x650 [ 42.378596] do_syscall_64+0xbf/0x430 [ 42.379347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.380323] RIP: 0033:0x7f70aa5de5cd [ 42.381030] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.384259] RSP: 002b:00007ffed863fbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.385643] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70aa5de5cd [ 42.386910] RDX: 0000560039c8ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.388223] RBP: 00007ffed863fc10 R08: 0000000000000000 R09: 00007ffed863f2b0 [ 42.389509] R10: 0000000000000000 R11: 0000000000000246 R12: 000056006cad2ad0 [ 42.390794] R13: 00007ffed8640040 R14: 000056006cad3bc0 R15: 000056006cae4780 [ 42.392128] [ 42.392567] irq event stamp: 1785 [ 42.393226] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 42.394767] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 42.396315] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 42.397888] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 42.399445] ---[ end trace 0000000000000000 ]--- [ 43.166154] ------------[ cut here ]------------ [ 43.167101] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.169119] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.170570] Modules linked in: [ 43.171272] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.173246] Tainted: [W]=WARN [ 43.173850] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.175342] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.176265] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.179413] RSP: 0018:ffff888017137bc0 EFLAGS: 00010286 [ 43.180388] RAX: 0000000000000000 RBX: ffffed1002e26f78 RCX: ffffffff813a4050 [ 43.181653] RDX: ffff88800b37b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.182934] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e26f2f [ 43.184234] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.185501] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017137df8 [ 43.186795] FS: 00007f6a76f8d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.188250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.189307] CR2: 00007fffbfd74ef8 CR3: 00000000206c0000 CR4: 0000000000350ef0 [ 43.190600] Call Trace: [ 43.191104] [ 43.191528] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.192434] ? __create_object+0x59/0x80 [ 43.193224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.194189] __vmalloc_noprof+0x59/0x60 [ 43.194932] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.195810] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.196688] bpf_prog_alloc+0x39/0x200 [ 43.197426] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.198358] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.199279] do_seccomp+0x349/0x25e0 [ 43.200005] ? find_held_lock+0x2b/0x80 [ 43.200770] ? do_prlimit+0x310/0x610 [ 43.201459] ? __pfx_do_seccomp+0x10/0x10 [ 43.202254] ? do_raw_spin_unlock+0x53/0x220 [ 43.203090] ? _raw_spin_unlock+0x1e/0x40 [ 43.203883] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.204856] ? static_key_count+0x60/0x80 [ 43.205603] prctl_set_seccomp+0x4e/0x70 [ 43.206381] __do_sys_prctl+0xe6c/0x1d70 [ 43.207168] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.208027] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.208996] ? irqentry_exit+0xf3/0x650 [ 43.209702] do_syscall_64+0xbf/0x430 [ 43.210470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.211437] RIP: 0033:0x7f6a7747f5cd [ 43.212138] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.215324] RSP: 002b:00007fffbfd73280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.216691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a7747f5cd [ 43.217973] RDX: 0000561c04584e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.219264] RBP: 00007fffbfd732e0 R08: 0000000000000000 R09: 00007fffbfd72980 [ 43.220529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c37ec6ad0 [ 43.221811] R13: 00007fffbfd73710 R14: 0000561c37ec7bc0 R15: 0000561c37ed8780 [ 43.223102] [ 43.223538] irq event stamp: 1775 [ 43.224182] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 43.225702] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 43.227242] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 43.228431] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 43.229495] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51406' (ECDSA) to the list of known hosts. 2025/11/17 09:20:14 fuzzer started 2025/11/17 09:20:14 dialing manager at localhost:37895 2025/11/17 09:20:14 checking machine... 2025/11/17 09:20:14 checking revisions... [ 44.151867] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:20:15 testing simple program... [ 44.246409] cgroup: Unknown subsys name 'net' [ 44.292918] cgroup: Unknown subsys name 'cpuset' [ 44.306689] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:20:13 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009627820 RCX=0000000000000001 RDX=1ffff110012c4f04 RSI=ffff888009627e88 RDI=ffff888009627820 RBP=ffff888009627e88 RSP=ffff888009627778 R8 =0000000000000001 R9 =ffff888009627860 R10=000000000003c9ed R11=000000000000aed8 R12=0000000000000008 R13=ffff888009627868 R14=ffff888009627e88 R15=ffff888009627820 RIP=ffffffff8135e24a RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffed8639000 CR3=000000001c1d7000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888015d1f690 RCX=1ffff11001bd828e RDX=1ffff11002ba3ed8 RSI=ffff88800f8a05b0 RDI=ffff88800dec1470 RBP=ffff888015d1f850 RSP=ffff888015d1f5b8 R8 =ffff88800b6ef1f8 R9 =ffff88800dec1470 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff8880158ec980 R14=ffff888015d1f6a8 R15=0000000000000000 RIP=ffffffff81751c70 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f967b2a2368 CR3=00000000205fe000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=756e696c2d34365f3638782f62696c2f XMM01=322e6f732e6c6462696c2f756e672d78 XMM02=00322e6f732e6c6462696c2f756e672d XMM03=78756e696c2d34365f3638782f62696c XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000