Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.977214] ------------[ cut here ]------------ [ 38.978132] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.980247] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 38.981759] Modules linked in: [ 38.982398] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.984411] Tainted: [W]=WARN [ 38.984969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.986433] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.987348] 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 [ 38.990504] RSP: 0018:ffff88801757fbc0 EFLAGS: 00010286 [ 38.991477] RAX: 0000000000000000 RBX: ffffed1002eaff78 RCX: ffffffff813a4050 [ 38.992776] RDX: ffff88801692b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.994059] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eaff2f [ 38.995342] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.996622] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801757fdf8 [ 38.997899] FS: 00007f036e55f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.999332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.000386] CR2: 00007fff277ccef7 CR3: 000000000c8aa000 CR4: 0000000000350ef0 [ 39.001664] Call Trace: [ 39.002136] [ 39.002589] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.003488] ? __create_object+0x59/0x80 [ 39.004242] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.005202] __vmalloc_noprof+0x59/0x60 [ 39.005946] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.006818] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.007738] bpf_prog_alloc+0x39/0x200 [ 39.008478] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.009417] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.010271] do_seccomp+0x349/0x25e0 [ 39.010998] ? find_held_lock+0x2b/0x80 [ 39.011759] ? do_prlimit+0x310/0x610 [ 39.012507] ? __pfx_do_seccomp+0x10/0x10 [ 39.013254] ? do_raw_spin_unlock+0x53/0x220 [ 39.014086] ? _raw_spin_unlock+0x1e/0x40 [ 39.014856] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.015826] ? static_key_count+0x60/0x80 [ 39.016645] prctl_set_seccomp+0x4e/0x70 [ 39.017424] __do_sys_prctl+0xe6c/0x1d70 [ 39.018168] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.019027] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.020017] ? irqentry_exit+0xf3/0x650 [ 39.020790] do_syscall_64+0xbf/0x430 [ 39.021529] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.022486] RIP: 0033:0x7f036ea515cd [ 39.023145] 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 [ 39.026328] RSP: 002b:00007fff277cb8c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.027689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f036ea515cd [ 39.029005] RDX: 00005610316a0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.030274] RBP: 00007fff277cb920 R08: 0000000000000000 R09: 00007fff277cafc0 [ 39.031592] R10: 0000000000000000 R11: 0000000000000246 R12: 000056106e3b92b0 [ 39.032893] R13: 00007fff277cbd50 R14: 000056106e3bbd20 R15: 000056106e3cd8d0 [ 39.034191] [ 39.034649] irq event stamp: 1781 [ 39.035261] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 39.036830] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 39.038353] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 39.039920] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 39.041446] ---[ end trace 0000000000000000 ]--- [ 41.688752] ------------[ cut here ]------------ [ 41.689674] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.691674] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.693121] Modules linked in: [ 41.694184] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.696202] Tainted: [W]=WARN [ 41.696792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.698258] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.699155] 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 [ 41.702325] RSP: 0018:ffff88800ce1fbc0 EFLAGS: 00010286 [ 41.703244] RAX: 0000000000000000 RBX: ffffed10019c3f78 RCX: ffffffff813a4050 [ 41.704507] RDX: ffff88800cc31bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.705791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10019c3f2f [ 41.707066] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.708332] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ce1fdf8 [ 41.709600] FS: 00007f715c93c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.711006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.712055] CR2: 00007ffe8fd4cef7 CR3: 000000000b3a5000 CR4: 0000000000350ef0 [ 41.713335] Call Trace: [ 41.713795] [ 41.714193] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.715079] ? __create_object+0x59/0x80 [ 41.715852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.716823] __vmalloc_noprof+0x59/0x60 [ 41.717573] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.718442] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.719364] bpf_prog_alloc+0x39/0x200 [ 41.720068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.720982] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.721859] do_seccomp+0x349/0x25e0 [ 41.722565] ? find_held_lock+0x2b/0x80 [ 41.723286] ? do_prlimit+0x310/0x610 [ 41.724042] ? __pfx_do_seccomp+0x10/0x10 [ 41.724831] ? do_raw_spin_unlock+0x53/0x220 [ 41.725660] ? _raw_spin_unlock+0x1e/0x40 [ 41.726432] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.727378] ? static_key_count+0x60/0x80 [ 41.728147] prctl_set_seccomp+0x4e/0x70 [ 41.728914] __do_sys_prctl+0xe6c/0x1d70 [ 41.729690] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.730533] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.731482] ? irqentry_exit+0xf3/0x650 [ 41.732205] do_syscall_64+0xbf/0x430 [ 41.732933] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.733877] RIP: 0033:0x7f715ce2e5cd [ 41.734568] 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 [ 41.737715] RSP: 002b:00007ffe8fd4a280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.739047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f715ce2e5cd [ 41.740343] RDX: 000055c219ac7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.741599] RBP: 00007ffe8fd4a2e0 R08: 0000000000000000 R09: 00007ffe8fd49980 [ 41.742859] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c22298ead0 [ 41.744141] R13: 00007ffe8fd4a710 R14: 000055c22298fbc0 R15: 000055c2229a0780 [ 41.745423] [ 41.745851] irq event stamp: 1775 [ 41.746496] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 41.747999] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 41.749509] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 41.751029] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 41.752522] ---[ end trace 0000000000000000 ]--- [ 42.331350] ------------[ cut here ]------------ [ 42.332251] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.334387] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.335846] Modules linked in: [ 42.336485] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.338521] Tainted: [W]=WARN [ 42.339082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.340943] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.342257] 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 [ 42.345700] RSP: 0018:ffff88801720fbc0 EFLAGS: 00010286 [ 42.346694] RAX: 0000000000000000 RBX: ffffed1002e41f78 RCX: ffffffff813a4050 [ 42.347999] RDX: ffff888017e65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.349285] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e41f2f [ 42.350604] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.351902] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801720fdf8 [ 42.353191] FS: 00007f4ed425f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.354643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.355708] CR2: 00007ffefb354ef7 CR3: 0000000020525000 CR4: 0000000000350ef0 [ 42.357010] Call Trace: [ 42.357504] [ 42.357919] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.358823] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 42.359768] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 42.360724] __vmalloc_noprof+0x59/0x60 [ 42.361482] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.362355] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.363249] bpf_prog_alloc+0x39/0x200 [ 42.363996] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.364928] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.365835] do_seccomp+0x349/0x25e0 [ 42.366555] ? find_held_lock+0x2b/0x80 [ 42.367277] ? do_prlimit+0x310/0x610 [ 42.368052] ? __pfx_do_seccomp+0x10/0x10 [ 42.368842] ? do_raw_spin_unlock+0x53/0x220 [ 42.369675] ? _raw_spin_unlock+0x1e/0x40 [ 42.370461] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.371428] ? static_key_count+0x60/0x80 [ 42.372209] prctl_set_seccomp+0x4e/0x70 [ 42.372986] __do_sys_prctl+0xe6c/0x1d70 [ 42.373767] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.374633] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.375608] ? irqentry_exit+0xf3/0x650 [ 42.376393] do_syscall_64+0xbf/0x430 [ 42.377098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.378055] RIP: 0033:0x7f4ed47515cd [ 42.378754] 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 [ 42.381969] RSP: 002b:00007ffefb3528e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.383342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ed47515cd [ 42.384708] RDX: 000055c447fd8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.385998] RBP: 00007ffefb352940 R08: 0000000000000000 R09: 00007ffefb351fe0 [ 42.387288] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c45abf5ad0 [ 42.388598] R13: 00007ffefb352d70 R14: 000055c45abf6bc0 R15: 000055c45ac07780 [ 42.389904] [ 42.390365] irq event stamp: 3499 [ 42.390980] hardirqs last enabled at (3507): [] __up_console_sem+0x78/0x80 [ 42.392560] hardirqs last disabled at (3530): [] __up_console_sem+0x5d/0x80 [ 42.394101] softirqs last enabled at (3528): [] handle_softirqs+0x50c/0x770 [ 42.395670] softirqs last disabled at (3515): [] __irq_exit_rcu+0xc4/0x100 [ 42.397122] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49193' (ECDSA) to the list of known hosts. 2025/11/17 23:48:26 fuzzer started 2025/11/17 23:48:27 dialing manager at localhost:37895 2025/11/17 23:48:27 checking machine... 2025/11/17 23:48:27 checking revisions... [ 43.165137] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:48:27 testing simple program... [ 43.255793] cgroup: Unknown subsys name 'net' [ 43.309748] cgroup: Unknown subsys name 'cpuset' [ 43.322098] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:48:26 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801648f998 RCX=ffffffff86a49c36 RDX=ffff888016490001 RSI=0000000000000000 RDI=ffff88801648f870 RBP=ffff888016488000 RSP=ffff88801648f7e8 R8 =ffffffff86a49c3a R9 =ffff88801648f8a0 R10=000000000003c9ed R11=0000000000012f69 R12=ffff88801648f801 R13=ffff88801648f8a8 R14=ffff88801648f998 R15=ffff88801648f860 RIP=ffffffff84c721b6 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 00007f715c93c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f715cef3618 CR3=000000002041a000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001d381 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=00000206 [-----P-] 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f715cef1650 CR3=000000000db78000 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=2036323a38343a333220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036323a38343a3332203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000