Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.329517] ------------[ cut here ]------------ [ 39.330354] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.332095] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.333483] Modules linked in: [ 39.334016] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.335763] Tainted: [W]=WARN [ 39.336290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.337533] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.339652] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.342440] RSP: 0018:ffff8880176d7bc0 EFLAGS: 00010286 [ 39.343287] RAX: 0000000000000000 RBX: ffffed1002edaf78 RCX: ffffffff813a4050 [ 39.344439] RDX: ffff888016c18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.345534] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edaf2f [ 39.346681] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.347814] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176d7df8 [ 39.348907] FS: 00007f59d39d9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.350219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.351127] CR2: 00007ffe5076fef7 CR3: 0000000009c10000 CR4: 0000000000350ef0 [ 39.352340] Call Trace: [ 39.352757] [ 39.353153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.353900] ? __create_object+0x59/0x80 [ 39.354595] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.355483] __vmalloc_noprof+0x59/0x60 [ 39.356133] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.356822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.357703] bpf_prog_alloc+0x39/0x200 [ 39.358348] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.359143] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.359910] do_seccomp+0x349/0x25e0 [ 39.360600] ? find_held_lock+0x2b/0x80 [ 39.361232] ? do_prlimit+0x310/0x610 [ 39.361805] ? __pfx_do_seccomp+0x10/0x10 [ 39.362484] ? do_raw_spin_unlock+0x53/0x220 [ 39.363275] ? _raw_spin_unlock+0x1e/0x40 [ 39.363940] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.364776] ? static_key_count+0x60/0x80 [ 39.365516] prctl_set_seccomp+0x4e/0x70 [ 39.366208] __do_sys_prctl+0xe6c/0x1d70 [ 39.366832] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.367582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.368478] ? irqentry_exit+0xf3/0x650 [ 39.369127] do_syscall_64+0xbf/0x430 [ 39.369701] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.370575] RIP: 0033:0x7f59d3ecb5cd [ 39.371203] 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 [ 39.374493] RSP: 002b:00007ffe5076d7f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.375956] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f59d3ecb5cd [ 39.377123] RDX: 0000560b1b498e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.378271] RBP: 00007ffe5076d850 R08: 0000000000000000 R09: 00007ffe5076cef0 [ 39.379382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b43822bf0 [ 39.380521] R13: 00007ffe5076dc80 R14: 0000560b4382c380 R15: 0000560b43837460 [ 39.381711] [ 39.382133] irq event stamp: 2101 [ 39.382664] hardirqs last enabled at (2109): [] __up_console_sem+0x78/0x80 [ 39.384090] hardirqs last disabled at (2118): [] __up_console_sem+0x5d/0x80 [ 39.385393] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 39.386799] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 39.388142] ---[ end trace 0000000000000000 ]--- [ 42.307072] ------------[ cut here ]------------ [ 42.307964] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.310020] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.311438] Modules linked in: [ 42.312069] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.314095] Tainted: [W]=WARN [ 42.314642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.316112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.316970] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.320140] RSP: 0018:ffff888017507bc0 EFLAGS: 00010286 [ 42.321102] RAX: 0000000000000000 RBX: ffffed1002ea0f78 RCX: ffffffff813a4050 [ 42.322368] RDX: ffff88801a0c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.323631] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea0f2f [ 42.324910] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.326173] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017507df8 [ 42.327450] FS: 00007f4e6d22e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.328904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.329947] CR2: 00007f4e6d7944a6 CR3: 000000002024a000 CR4: 0000000000350ef0 [ 42.331225] Call Trace: [ 42.331691] [ 42.332155] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.333024] ? __create_object+0x59/0x80 [ 42.333740] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.334676] __vmalloc_noprof+0x59/0x60 [ 42.335401] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.336265] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.337177] bpf_prog_alloc+0x39/0x200 [ 42.337876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.338792] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.339693] do_seccomp+0x349/0x25e0 [ 42.340404] ? find_held_lock+0x2b/0x80 [ 42.341160] ? do_prlimit+0x310/0x610 [ 42.341852] ? __pfx_do_seccomp+0x10/0x10 [ 42.342619] ? do_raw_spin_unlock+0x53/0x220 [ 42.343447] ? _raw_spin_unlock+0x1e/0x40 [ 42.344235] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.345183] ? static_key_count+0x60/0x80 [ 42.345918] prctl_set_seccomp+0x4e/0x70 [ 42.346684] __do_sys_prctl+0xe6c/0x1d70 [ 42.347450] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.348307] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.349258] ? irqentry_exit+0xf3/0x650 [ 42.349966] do_syscall_64+0xbf/0x430 [ 42.350697] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.351625] RIP: 0033:0x7f4e6d7205cd [ 42.352353] 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 [ 42.355466] RSP: 002b:00007ffcafc9af50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.356816] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e6d7205cd [ 42.358094] RDX: 00005625a76abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.359359] RBP: 00007ffcafc9afb0 R08: 0000000000000000 R09: 00007ffcafc9a650 [ 42.360647] R10: 0000000000000000 R11: 0000000000000246 R12: 00005625e0be7ad0 [ 42.361911] R13: 00007ffcafc9b3e0 R14: 00005625e0be8bc0 R15: 00005625e0bf9780 [ 42.363180] [ 42.363601] irq event stamp: 1757 [ 42.364268] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 42.365764] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 42.367259] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 42.368772] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.370263] ---[ end trace 0000000000000000 ]--- [ 43.167384] ------------[ cut here ]------------ [ 43.168412] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.170623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.172246] Modules linked in: [ 43.172888] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.175079] Tainted: [W]=WARN [ 43.175694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.177281] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.178277] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.181726] RSP: 0018:ffff888019b7fbc0 EFLAGS: 00010286 [ 43.182824] RAX: 0000000000000000 RBX: ffffed100336ff78 RCX: ffffffff813a4050 [ 43.184277] RDX: ffff88801a0c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.185665] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336ff2f [ 43.187050] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.188474] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b7fdf8 [ 43.189872] FS: 00007fedb627f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.191443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.192651] CR2: 00007ffc29a49ef7 CR3: 00000000200d4000 CR4: 0000000000350ef0 [ 43.194025] Call Trace: [ 43.194518] [ 43.194950] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.195917] ? __create_object+0x59/0x80 [ 43.196759] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.197785] __vmalloc_noprof+0x59/0x60 [ 43.198598] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.199538] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.200553] bpf_prog_alloc+0x39/0x200 [ 43.201341] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.202348] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.203300] do_seccomp+0x349/0x25e0 [ 43.204082] ? find_held_lock+0x2b/0x80 [ 43.204852] ? do_prlimit+0x310/0x610 [ 43.205651] ? __pfx_do_seccomp+0x10/0x10 [ 43.206501] ? do_raw_spin_unlock+0x53/0x220 [ 43.207397] ? _raw_spin_unlock+0x1e/0x40 [ 43.208263] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.209295] ? static_key_count+0x60/0x80 [ 43.210156] prctl_set_seccomp+0x4e/0x70 [ 43.210937] __do_sys_prctl+0xe6c/0x1d70 [ 43.211777] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.212719] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.213758] ? irqentry_exit+0xf3/0x650 [ 43.214579] do_syscall_64+0xbf/0x430 [ 43.215377] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.216403] RIP: 0033:0x7fedb67715cd [ 43.217169] 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 [ 43.220564] RSP: 002b:00007ffc29a48100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.222023] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedb67715cd [ 43.223373] RDX: 00005563362c5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.224758] RBP: 00007ffc29a48160 R08: 0000000000000000 R09: 00007ffc29a47800 [ 43.226098] R10: 0000000000000000 R11: 0000000000000246 R12: 000055633d7b1240 [ 43.227442] R13: 00007ffc29a48590 R14: 000055633d7ba380 R15: 000055633d7c5540 [ 43.228703] [ 43.229123] irq event stamp: 1757 [ 43.229647] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.230966] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.232358] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 43.233706] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 43.235026] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46455' (ECDSA) to the list of known hosts. 2025/11/19 01:46:08 fuzzer started 2025/11/19 01:46:08 dialing manager at localhost:34383 2025/11/19 01:46:08 checking machine... 2025/11/19 01:46:08 checking revisions... [ 44.228819] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:46:08 testing simple program... [ 44.313361] cgroup: Unknown subsys name 'net' [ 44.378935] cgroup: Unknown subsys name 'cpuset' [ 44.400486] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:46:07 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000000000f0 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffff888016f6a5a8 RBP=00000000000000f4 RSP=ffff88801762fbd8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00000000fffff000 R13=ffff888009924ee8 R14=ffff88801a62d640 R15=ffffffff8899cb80 RIP=ffffffff81471dc7 RFL=00000282 [--S----] 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 00007f4e6d22e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcafc95000 CR3=000000002019c000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000000f1 RBX=fffffffffff1ec5f RCX=ffff888009643780 RDX=0000000000000000 RSI=0000000000000041 RDI=0000000000000005 RBP=ffff88806cf37cb0 RSP=ffff88806cf08c88 R8 =ffff888009643780 R9 =ffff88806cf37d00 R10=1ffff1100d9e6f9e R11=0000000000000001 R12=ffff88806cf37340 R13=ffff88806cf37d04 R14=ffff88806cf37cf0 R15=ffff88806cf37d05 RIP=ffffffff814e39bb RFL=00000046 [---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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe2409a81b0 CR3=000000000e376000 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=36343a313020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363233 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000