Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.371428] ------------[ cut here ]------------ [ 39.372263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.374030] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.375363] Modules linked in: [ 39.375940] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.377711] Tainted: [W]=WARN [ 39.378240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.379548] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.380387] 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 [ 39.383234] RSP: 0018:ffff88801589fbc0 EFLAGS: 00010286 [ 39.384118] RAX: 0000000000000000 RBX: ffffed1002b13f78 RCX: ffffffff813a4050 [ 39.385259] RDX: ffff888015d93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.386404] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b13f2f [ 39.387553] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.388720] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801589fdf8 [ 39.389876] FS: 00007f0853115900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.391155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.392116] CR2: 00007f0853607580 CR3: 000000000d24e000 CR4: 0000000000350ef0 [ 39.393268] Call Trace: [ 39.393682] [ 39.394083] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.394875] ? __create_object+0x59/0x80 [ 39.395531] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.396402] __vmalloc_noprof+0x59/0x60 [ 39.397068] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.397801] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.398622] bpf_prog_alloc+0x39/0x200 [ 39.399278] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.400122] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.400918] do_seccomp+0x349/0x25e0 [ 39.401526] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.402319] ? __pfx_do_seccomp+0x10/0x10 [ 39.403035] ? find_held_lock+0x2b/0x80 [ 39.403671] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.404525] ? static_key_count+0x60/0x80 [ 39.405239] prctl_set_seccomp+0x4e/0x70 [ 39.405920] __do_sys_prctl+0xe6c/0x1d70 [ 39.406588] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.407359] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.408245] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.409119] ? irqentry_exit+0xf3/0x650 [ 39.409765] do_syscall_64+0xbf/0x430 [ 39.410420] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.411291] RIP: 0033:0x7f08536075cd [ 39.411930] 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 [ 39.414783] RSP: 002b:00007ffe46c3dbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.416023] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08536075cd [ 39.417187] RDX: 000055e650cd5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.418343] RBP: 00007ffe46c3dc10 R08: 0000000000000000 R09: 00007ffe46c3d2b0 [ 39.419499] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e68a811b10 [ 39.420663] R13: 00007ffe46c3e040 R14: 000055e68a8122b0 R15: 000055e68a8266f0 [ 39.421834] [ 39.422244] irq event stamp: 1701 [ 39.422786] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 39.424156] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 39.425528] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 39.426921] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.428295] ---[ end trace 0000000000000000 ]--- [ 42.511265] ------------[ cut here ]------------ [ 42.512193] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.514182] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.515656] Modules linked in: [ 42.516310] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.518273] Tainted: [W]=WARN [ 42.518830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.520560] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.521534] 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 [ 42.524730] RSP: 0018:ffff88800f5b7bc0 EFLAGS: 00010286 [ 42.525706] RAX: 0000000000000000 RBX: ffffed1001eb6f78 RCX: ffffffff813a4050 [ 42.526983] RDX: ffff888015cf1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.528265] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eb6f2f [ 42.529541] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.530823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f5b7df8 [ 42.532138] FS: 00007f68a6562900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.533569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.534624] CR2: 00007f68a6a54580 CR3: 000000002013e000 CR4: 0000000000350ef0 [ 42.535912] Call Trace: [ 42.536382] [ 42.536791] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.537686] ? __create_object+0x59/0x80 [ 42.538466] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.539447] __vmalloc_noprof+0x59/0x60 [ 42.540213] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.541081] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.542004] bpf_prog_alloc+0x39/0x200 [ 42.542701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.543626] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.544534] do_seccomp+0x349/0x25e0 [ 42.545253] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.546151] ? __pfx_do_seccomp+0x10/0x10 [ 42.546938] ? find_held_lock+0x2b/0x80 [ 42.547655] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.548612] ? static_key_count+0x60/0x80 [ 42.549402] prctl_set_seccomp+0x4e/0x70 [ 42.550179] __do_sys_prctl+0xe6c/0x1d70 [ 42.550957] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.551762] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.552728] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.553694] ? irqentry_exit+0xf3/0x650 [ 42.554462] do_syscall_64+0xbf/0x430 [ 42.555209] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.556177] RIP: 0033:0x7f68a6a545cd [ 42.556897] 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 [ 42.560154] RSP: 002b:00007ffe3f5b7080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.561551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68a6a545cd [ 42.562871] RDX: 00005582b4e68e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.564181] RBP: 00007ffe3f5b70e0 R08: 0000000000000000 R09: 00007ffe3f5b6780 [ 42.565472] R10: 0000000000000000 R11: 0000000000000246 R12: 00005582f4e07ad0 [ 42.566772] R13: 00007ffe3f5b7510 R14: 00005582f4e08bc0 R15: 00005582f4e19780 [ 42.568134] [ 42.568567] irq event stamp: 1823 [ 42.569176] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 42.570547] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.571933] softirqs last enabled at (1812): [] handle_softirqs+0x50c/0x770 [ 42.573325] softirqs last disabled at (1807): [] __irq_exit_rcu+0xc4/0x100 [ 42.574694] ---[ end trace 0000000000000000 ]--- [ 43.274547] ------------[ cut here ]------------ [ 43.275328] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.277270] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.279005] Modules linked in: [ 43.279742] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.281793] Tainted: [W]=WARN [ 43.282536] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.284355] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.285392] 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 [ 43.288673] RSP: 0018:ffff88801923fbc0 EFLAGS: 00010286 [ 43.289664] RAX: 0000000000000000 RBX: ffffed1003247f78 RCX: ffffffff813a4050 [ 43.291249] RDX: ffff888017d35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.292540] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003247f2f [ 43.294083] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.295235] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801923fdf8 [ 43.296769] FS: 00007f4af1457900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.298297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.299248] CR2: 00007fff53116ef7 CR3: 00000000202f1000 CR4: 0000000000350ef0 [ 43.300654] Call Trace: [ 43.301214] [ 43.301655] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.302643] ? __create_object+0x59/0x80 [ 43.303505] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.304508] __vmalloc_noprof+0x59/0x60 [ 43.305375] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.306343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.307283] bpf_prog_alloc+0x39/0x200 [ 43.308078] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.308595] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.309119] do_seccomp+0x349/0x25e0 [ 43.309508] ? find_held_lock+0x2b/0x80 [ 43.309943] ? do_prlimit+0x310/0x610 [ 43.310350] ? __pfx_do_seccomp+0x10/0x10 [ 43.310776] ? do_raw_spin_unlock+0x53/0x220 [ 43.311257] ? _raw_spin_unlock+0x1e/0x40 [ 43.311678] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.312245] ? static_key_count+0x60/0x80 [ 43.312683] prctl_set_seccomp+0x4e/0x70 [ 43.313126] __do_sys_prctl+0xe6c/0x1d70 [ 43.313554] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.314043] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.314577] ? irqentry_exit+0xf3/0x650 [ 43.315019] do_syscall_64+0xbf/0x430 [ 43.315422] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.315979] RIP: 0033:0x7f4af19495cd [ 43.316363] 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 [ 43.318201] RSP: 002b:00007fff53115630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.318989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4af19495cd [ 43.319711] RDX: 000055c5ee791e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.320464] RBP: 00007fff53115690 R08: 0000000000000000 R09: 00007fff53114d30 [ 43.321200] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c61cfdaad0 [ 43.321955] R13: 00007fff53115ac0 R14: 000055c61cfdbbc0 R15: 000055c61cfec780 [ 43.322692] [ 43.322959] irq event stamp: 1657 [ 43.323319] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 43.324217] hardirqs last disabled at (1674): [] __up_console_sem+0x5d/0x80 [ 43.325105] softirqs last enabled at (1152): [] handle_softirqs+0x50c/0x770 [ 43.326007] softirqs last disabled at (1131): [] __irq_exit_rcu+0xc4/0x100 [ 43.326882] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9747' (ECDSA) to the list of known hosts. 2025/11/18 21:12:14 fuzzer started 2025/11/18 21:12:14 dialing manager at localhost:34383 2025/11/18 21:12:14 checking machine... 2025/11/18 21:12:14 checking revisions... [ 44.235069] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:12:14 testing simple program... [ 44.330619] cgroup: Unknown subsys name 'net' [ 44.398616] cgroup: Unknown subsys name 'cpuset' [ 44.417251] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:12:13 Registers: info registers vcpu 0 RAX=ffff8880190d0001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff8880190cfd01 RSI=ffff8880190cfd78 RDI=ffff8880190cf708 RBP=ffff8880190cfd78 RSP=ffff8880190cf660 R8 =0000000000000001 R9 =ffff8880190cf738 R10=000000000003c9ed R11=0000000000023084 R12=0000000000000008 R13=ffff8880190c8000 R14=ffff8880190cfd78 R15=ffff8880190cf6f8 RIP=ffffffff8135e2ee 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 00007f68a6562900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f68a6522008 CR3=00000000200f7000 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=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 info registers vcpu 1 RAX=0000000000023145 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f604c16f558 CR3=0000000017ac8000 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=32313a313220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363834 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000