Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.543352] ------------[ cut here ]------------ [ 45.544264] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.546361] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.547831] Modules linked in: [ 45.548466] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.550714] Tainted: [W]=WARN [ 45.551390] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.552883] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.553755] 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 [ 45.556971] RSP: 0018:ffff88801988fbc0 EFLAGS: 00010286 [ 45.557968] RAX: 0000000000000000 RBX: ffffed1003311f78 RCX: ffffffff813a4050 [ 45.559273] RDX: ffff88801666b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.560560] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003311f2f [ 45.561850] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.563176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801988fdf8 [ 45.564466] FS: 00007f52fb5a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.565906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.566986] CR2: 00007f52fba94580 CR3: 000000000ddf4000 CR4: 0000000000350ef0 [ 45.568281] Call Trace: [ 45.568748] [ 45.569204] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.570127] ? __create_object+0x59/0x80 [ 45.570923] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.571851] __vmalloc_noprof+0x59/0x60 [ 45.572618] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.573497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.574447] bpf_prog_alloc+0x39/0x200 [ 45.575194] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.576130] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.577041] do_seccomp+0x349/0x25e0 [ 45.577720] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.578645] ? __pfx_do_seccomp+0x10/0x10 [ 45.579444] ? find_held_lock+0x2b/0x80 [ 45.580214] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.581187] ? static_key_count+0x60/0x80 [ 45.582016] prctl_set_seccomp+0x4e/0x70 [ 45.582808] __do_sys_prctl+0xe6c/0x1d70 [ 45.583599] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.584455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.585431] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.586433] ? irqentry_exit+0xf3/0x650 [ 45.587213] do_syscall_64+0xbf/0x430 [ 45.587953] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.588913] RIP: 0033:0x7f52fba945cd [ 45.589576] 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 [ 45.592770] RSP: 002b:00007ffceb409720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.594158] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52fba945cd [ 45.595457] RDX: 0000561f18cdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.596756] RBP: 00007ffceb409780 R08: 0000000000000000 R09: 00007ffceb408e20 [ 45.598050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f4d0babf0 [ 45.599349] R13: 00007ffceb409bb0 R14: 0000561f4d0c4380 R15: 0000561f4d0cf460 [ 45.600660] [ 45.601123] irq event stamp: 1851 [ 45.601727] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 45.603272] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 45.604809] softirqs last enabled at (1440): [] handle_softirqs+0x50c/0x770 [ 45.606403] softirqs last disabled at (1435): [] __irq_exit_rcu+0xc4/0x100 [ 45.607929] ---[ end trace 0000000000000000 ]--- [ 49.114230] ------------[ cut here ]------------ [ 49.115165] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.117464] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.119348] Modules linked in: [ 49.120166] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.123117] Tainted: [W]=WARN [ 49.123721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.125292] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.126262] 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 [ 49.129527] RSP: 0018:ffff888018567bc0 EFLAGS: 00010286 [ 49.130583] RAX: 0000000000000000 RBX: ffffed10030acf78 RCX: ffffffff813a4050 [ 49.131913] RDX: ffff888015a33780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.133229] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030acf2f [ 49.134584] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.135924] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018567df8 [ 49.137251] FS: 00007fe55ce7f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.138769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.139903] CR2: 00007ffe9129cef8 CR3: 000000001d5ee000 CR4: 0000000000350ef0 [ 49.141244] Call Trace: [ 49.141739] [ 49.142230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.143154] ? __create_object+0x59/0x80 [ 49.144001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.145135] __vmalloc_noprof+0x59/0x60 [ 49.145926] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.146808] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.147784] bpf_prog_alloc+0x39/0x200 [ 49.148574] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.149564] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.150534] do_seccomp+0x349/0x25e0 [ 49.151266] ? find_held_lock+0x2b/0x80 [ 49.152086] ? do_prlimit+0x310/0x610 [ 49.152814] ? __pfx_do_seccomp+0x10/0x10 [ 49.153635] ? do_raw_spin_unlock+0x53/0x220 [ 49.154514] ? _raw_spin_unlock+0x1e/0x40 [ 49.155310] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.156334] ? static_key_count+0x60/0x80 [ 49.157188] prctl_set_seccomp+0x4e/0x70 [ 49.158017] __do_sys_prctl+0xe6c/0x1d70 [ 49.158775] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.159693] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.160706] ? irqentry_exit+0xf3/0x650 [ 49.161496] do_syscall_64+0xbf/0x430 [ 49.162288] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.163292] RIP: 0033:0x7fe55d3715cd [ 49.164059] 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 [ 49.167329] RSP: 002b:00007ffe9129a970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.168765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe55d3715cd [ 49.170081] RDX: 000055a3cebdfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.171392] RBP: 00007ffe9129a9d0 R08: 0000000000000000 R09: 00007ffe9129a070 [ 49.172735] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a3eda6aad0 [ 49.174079] R13: 00007ffe9129ae00 R14: 000055a3eda6bbc0 R15: 000055a3eda7c780 [ 49.175406] [ 49.175909] irq event stamp: 1811 [ 49.176548] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 49.178121] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 49.179508] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 49.180831] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 49.182152] ---[ end trace 0000000000000000 ]--- [ 49.949008] ------------[ cut here ]------------ [ 49.949754] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.951568] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.952807] Modules linked in: [ 49.953553] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.955310] Tainted: [W]=WARN [ 49.955779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.957016] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.957743] 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 [ 49.960425] RSP: 0018:ffff888019cefbc0 EFLAGS: 00010286 [ 49.961246] RAX: 0000000000000000 RBX: ffffed100339df78 RCX: ffffffff813a4050 [ 49.962337] RDX: ffff888016f18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.963414] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100339df2f [ 49.964499] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.965579] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019cefdf8 [ 49.966683] FS: 00007f19aa42d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.967900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.968777] CR2: 00007ffc47aabef8 CR3: 000000000cf99000 CR4: 0000000000350ef0 [ 49.969884] Call Trace: [ 49.970284] [ 49.970638] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.971392] ? __create_object+0x59/0x80 [ 49.972045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.972827] __vmalloc_noprof+0x59/0x60 [ 49.973467] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.974211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.975002] bpf_prog_alloc+0x39/0x200 [ 49.975588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.976385] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.977174] do_seccomp+0x349/0x25e0 [ 49.977749] ? find_held_lock+0x2b/0x80 [ 49.978414] ? do_prlimit+0x310/0x610 [ 49.979039] ? __pfx_do_seccomp+0x10/0x10 [ 49.979665] ? do_raw_spin_unlock+0x53/0x220 [ 49.980374] ? _raw_spin_unlock+0x1e/0x40 [ 49.981032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.981808] ? static_key_count+0x60/0x80 [ 49.982502] prctl_set_seccomp+0x4e/0x70 [ 49.983167] __do_sys_prctl+0xe6c/0x1d70 [ 49.983791] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.984528] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.985351] ? irqentry_exit+0xf3/0x650 [ 49.986020] do_syscall_64+0xbf/0x430 [ 49.986609] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.987420] RIP: 0033:0x7f19aa91f5cd [ 49.988018] 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 [ 49.990707] RSP: 002b:00007ffc47aaa340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.991886] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19aa91f5cd [ 49.992976] RDX: 000055f3e5cd3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.994084] RBP: 00007ffc47aaa3a0 R08: 0000000000000000 R09: 00007ffc47aa9a40 [ 49.995181] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3ff8a2ad0 [ 49.996292] R13: 00007ffc47aaa7d0 R14: 000055f3ff8a3bc0 R15: 000055f3ff8b4780 [ 49.997413] [ 49.997769] irq event stamp: 1773 [ 49.998330] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 49.999615] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 50.000907] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.002216] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 50.003501] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41475' (ECDSA) to the list of known hosts. 2025/11/17 17:02:16 fuzzer started 2025/11/17 17:02:16 dialing manager at localhost:37895 2025/11/17 17:02:16 checking machine... 2025/11/17 17:02:16 checking revisions... [ 50.978033] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:02:16 testing simple program... [ 51.073017] cgroup: Unknown subsys name 'net' [ 51.156510] cgroup: Unknown subsys name 'cpuset' [ 51.170911] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:02:15 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85c07e18 RCX=ffff88806ce089c4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffffffff85c2cdfc RBP=ffffffff85c00000 RSP=ffff88806ce08a00 R8 =ffffffff86e888b2 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000c8179 R12=ffff88806ce08a01 R13=ffff88806ce08ab8 R14=ffffffff85c07e18 R15=ffff88806ce08a70 RIP=ffffffff8135e7ac RFL=00000293 [--S-A-C] 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f50ae5d4000 CR3=000000000b974000 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=32303a373120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383034 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff88801745a640 RDI=ffff888017459bc0 RBP=ffff888017459bc0 RSP=ffff88806cf087d8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff88801745a640 R15=0000000000000003 RIP=ffffffff8152659a RFL=00000007 [-----PC] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fe55ce7f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe55d21b3ec CR3=000000000e98a000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000