Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.532265] ------------[ cut here ]------------ [ 45.533117] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.535160] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.536679] Modules linked in: [ 45.537305] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.539263] Tainted: [W]=WARN [ 45.539837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.541312] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.542200] 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 [ 45.545354] RSP: 0018:ffff8880192ffbc0 EFLAGS: 00010286 [ 45.546335] RAX: 0000000000000000 RBX: ffffed100325ff78 RCX: ffffffff813a4050 [ 45.547617] RDX: ffff88801a90b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.548885] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100325ff2f [ 45.550149] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.551450] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880192ffdf8 [ 45.552726] FS: 00007fc2ba7ee900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.554186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.555234] CR2: 00007ffffcb06ef8 CR3: 000000000e388000 CR4: 0000000000350ef0 [ 45.556523] Call Trace: [ 45.556984] [ 45.557419] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.558314] ? __create_object+0x59/0x80 [ 45.559049] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.560023] __vmalloc_noprof+0x59/0x60 [ 45.560767] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.561629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.562550] bpf_prog_alloc+0x39/0x200 [ 45.563267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.564204] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.565057] do_seccomp+0x349/0x25e0 [ 45.565772] ? find_held_lock+0x2b/0x80 [ 45.566527] ? do_prlimit+0x310/0x610 [ 45.567265] ? __pfx_do_seccomp+0x10/0x10 [ 45.568010] ? do_raw_spin_unlock+0x53/0x220 [ 45.568834] ? _raw_spin_unlock+0x1e/0x40 [ 45.569623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.570576] ? static_key_count+0x60/0x80 [ 45.571391] prctl_set_seccomp+0x4e/0x70 [ 45.572130] __do_sys_prctl+0xe6c/0x1d70 [ 45.572925] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.573799] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.574791] ? irqentry_exit+0xf3/0x650 [ 45.575587] do_syscall_64+0xbf/0x430 [ 45.576344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.577316] RIP: 0033:0x7fc2bace05cd [ 45.577989] 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 [ 45.581221] RSP: 002b:00007ffffcb05130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.582617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2bace05cd [ 45.583945] RDX: 0000559c1c11ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.585255] RBP: 00007ffffcb05190 R08: 0000000000000000 R09: 00007ffffcb04830 [ 45.586561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c442cbad0 [ 45.587880] R13: 00007ffffcb055c0 R14: 0000559c442ccbc0 R15: 0000559c442dd780 [ 45.589221] [ 45.589656] irq event stamp: 1801 [ 45.590312] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 45.591883] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 45.593440] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 45.595012] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 45.596574] ---[ end trace 0000000000000000 ]--- [ 48.812501] ------------[ cut here ]------------ [ 48.813463] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.815784] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 48.816979] Modules linked in: [ 48.817493] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.819126] Tainted: [W]=WARN [ 48.819615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.820822] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.821556] 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 [ 48.824180] RSP: 0018:ffff88801c88fbc0 EFLAGS: 00010286 [ 48.825029] RAX: 0000000000000000 RBX: ffffed1003911f78 RCX: ffffffff813a4050 [ 48.826498] RDX: ffff88800f323780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.827737] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003911f2f [ 48.828786] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.829824] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c88fdf8 [ 48.830879] FS: 00007f4e93818900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.832059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.832930] CR2: 00007ffe76ac6ef8 CR3: 000000002090d000 CR4: 0000000000350ef0 [ 48.833992] Call Trace: [ 48.834411] [ 48.834748] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.835486] ? __create_object+0x59/0x80 [ 48.836092] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.836996] __vmalloc_noprof+0x59/0x60 [ 48.837621] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.838336] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.839083] bpf_prog_alloc+0x39/0x200 [ 48.839723] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.840503] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.841237] do_seccomp+0x349/0x25e0 [ 48.841793] ? find_held_lock+0x2b/0x80 [ 48.842418] ? do_prlimit+0x310/0x610 [ 48.842996] ? __pfx_do_seccomp+0x10/0x10 [ 48.843641] ? do_raw_spin_unlock+0x53/0x220 [ 48.844317] ? _raw_spin_unlock+0x1e/0x40 [ 48.844921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.845698] ? static_key_count+0x60/0x80 [ 48.846354] prctl_set_seccomp+0x4e/0x70 [ 48.846951] __do_sys_prctl+0xe6c/0x1d70 [ 48.847589] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.848284] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.849039] ? irqentry_exit+0xf3/0x650 [ 48.849690] do_syscall_64+0xbf/0x430 [ 48.850364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.851117] RIP: 0033:0x7f4e93d0a5cd [ 48.851709] 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 [ 48.854321] RSP: 002b:00007ffe76ac51f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.855460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e93d0a5cd [ 48.856509] RDX: 000055f76ade4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.857564] RBP: 00007ffe76ac5250 R08: 0000000000000000 R09: 00007ffe76ac48f0 [ 48.858609] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f782463240 [ 48.859673] R13: 00007ffe76ac5680 R14: 000055f78246c380 R15: 000055f782477540 [ 48.860971] [ 48.861348] irq event stamp: 1899 [ 48.861852] hardirqs last enabled at (1907): [] __up_console_sem+0x78/0x80 [ 48.863099] hardirqs last disabled at (1916): [] __up_console_sem+0x5d/0x80 [ 48.864360] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 48.865622] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 48.866859] ---[ end trace 0000000000000000 ]--- [ 49.590422] ------------[ cut here ]------------ [ 49.591328] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.593409] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.594831] Modules linked in: [ 49.595466] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.597450] Tainted: [W]=WARN [ 49.597999] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.599704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.600678] 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 [ 49.603854] RSP: 0018:ffff888017617bc0 EFLAGS: 00010286 [ 49.604823] RAX: 0000000000000000 RBX: ffffed1002ec2f78 RCX: ffffffff813a4050 [ 49.606112] RDX: ffff88801b7d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.607386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec2f2f [ 49.608644] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.609948] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017617df8 [ 49.611235] FS: 00007f46d7960900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.612687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.613747] CR2: 00007ffe5fef0ef8 CR3: 0000000020333000 CR4: 0000000000350ef0 [ 49.615036] Call Trace: [ 49.615537] [ 49.615951] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.616844] ? __create_object+0x59/0x80 [ 49.617630] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.618591] __vmalloc_noprof+0x59/0x60 [ 49.619369] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.620239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.621120] bpf_prog_alloc+0x39/0x200 [ 49.621857] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.622795] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.623714] do_seccomp+0x349/0x25e0 [ 49.624440] ? find_held_lock+0x2b/0x80 [ 49.625207] ? do_prlimit+0x310/0x610 [ 49.625904] ? __pfx_do_seccomp+0x10/0x10 [ 49.626691] ? do_raw_spin_unlock+0x53/0x220 [ 49.627518] ? _raw_spin_unlock+0x1e/0x40 [ 49.628295] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.629240] ? static_key_count+0x60/0x80 [ 49.629982] prctl_set_seccomp+0x4e/0x70 [ 49.630746] __do_sys_prctl+0xe6c/0x1d70 [ 49.631546] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.632407] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.633378] ? irqentry_exit+0xf3/0x650 [ 49.634105] do_syscall_64+0xbf/0x430 [ 49.634841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.635819] RIP: 0033:0x7f46d7e525cd [ 49.636520] 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 [ 49.639663] RSP: 002b:00007ffe5feee730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.641017] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f46d7e525cd [ 49.642274] RDX: 000055cb09bf1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.643558] RBP: 00007ffe5feee790 R08: 0000000000000000 R09: 00007ffe5feede30 [ 49.644849] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb4654dad0 [ 49.646119] R13: 00007ffe5feeebc0 R14: 000055cb4654ebc0 R15: 000055cb4655f780 [ 49.647430] [ 49.647860] irq event stamp: 1763 [ 49.648508] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 49.650019] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 49.651539] softirqs last enabled at (1310): [] handle_softirqs+0x50c/0x770 [ 49.653055] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 49.654568] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56886' (ECDSA) to the list of known hosts. 2025/11/17 14:30:19 fuzzer started 2025/11/17 14:30:19 dialing manager at localhost:37895 2025/11/17 14:30:19 checking machine... 2025/11/17 14:30:19 checking revisions... [ 50.516660] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:30:19 testing simple program... [ 50.601468] cgroup: Unknown subsys name 'net' [ 50.657774] cgroup: Unknown subsys name 'cpuset' [ 50.672521] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:30:18 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888009883780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880098841d8 RDI=ffff888009883780 RBP=ffff8880098841d8 RSP=ffff88801a937c50 R8 =0000000000000000 R9 =0000000000000353 R10=0000000000000001 R11=0000000000000001 R12=ffff8880098841d8 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527485 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4e93818900 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=00007ffe76abe0bc CR3=000000000dfda000 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=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=65e385a64e9ea07adaacd45e1fd3f99c XMM03=2f93d195862e6dd2f5e4c0666b81abba XMM04=4940e31dccf6fee860eee355d5b9c018 XMM05=00000000000000000000000000000000 XMM06=2f40d11d862e6dd260e4c0556b81ab18 XMM07=672065736f6c635f6e6f69737365733a XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002b03d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f08c1234000 CR3=000000000db4a000 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=00000000000000000000000000000000 XMM01=3773a3759fc6ef8d3a4a4d0373806d29 XMM02=ec2efd57dc4c00df0000000000302da8 XMM03=7cbd8cec65bb0c0d0000000000302e78 XMM04=20df53b2a8cd161f00000000000ae988 XMM05=14648eaa1277bab1000000000031f288 XMM06=817b8945e9d50373000000000031f110 XMM07=e042d86d42eb936e0000000000310a40 XMM08=7cbd8cec65bb0c0d0000000000302e78 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000