Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.547897] ------------[ cut here ]------------ [ 45.548846] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.550843] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.552298] Modules linked in: [ 45.552941] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.554957] Tainted: [W]=WARN [ 45.555559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.557035] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.557967] 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 [ 45.561141] RSP: 0018:ffff888015e27bc0 EFLAGS: 00010286 [ 45.562122] RAX: 0000000000000000 RBX: ffffed1002bc4f78 RCX: ffffffff813a4050 [ 45.563424] RDX: ffff888017281bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.564693] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc4f2f [ 45.565988] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.567278] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e27df8 [ 45.568558] FS: 00007fd59a011900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.569994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.571056] CR2: 00007fd59a503580 CR3: 000000000d5de000 CR4: 0000000000350ef0 [ 45.572339] Call Trace: [ 45.572855] [ 45.573259] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.574165] ? __create_object+0x59/0x80 [ 45.574963] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.575941] __vmalloc_noprof+0x59/0x60 [ 45.576699] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.577587] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.578473] bpf_prog_alloc+0x39/0x200 [ 45.579239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.580171] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.581084] do_seccomp+0x349/0x25e0 [ 45.581811] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.582722] ? __pfx_do_seccomp+0x10/0x10 [ 45.583471] ? find_held_lock+0x2b/0x80 [ 45.584233] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.585210] ? static_key_count+0x60/0x80 [ 45.586019] prctl_set_seccomp+0x4e/0x70 [ 45.586821] __do_sys_prctl+0xe6c/0x1d70 [ 45.587607] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.588428] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.589382] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.590342] ? irqentry_exit+0xf3/0x650 [ 45.591127] do_syscall_64+0xbf/0x430 [ 45.591880] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.592834] RIP: 0033:0x7fd59a5035cd [ 45.593497] 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 [ 45.596734] RSP: 002b:00007fff6bde3290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.598097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd59a5035cd [ 45.599406] RDX: 000055c47549ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.600697] RBP: 00007fff6bde32f0 R08: 0000000000000000 R09: 00007fff6bde2990 [ 45.602008] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c487fc5ad0 [ 45.603317] R13: 00007fff6bde3720 R14: 000055c487fc6bc0 R15: 000055c487fd7780 [ 45.604641] [ 45.605078] irq event stamp: 1767 [ 45.605729] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 45.607306] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 45.608831] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 45.610368] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 45.611880] ---[ end trace 0000000000000000 ]--- [ 49.075438] ------------[ cut here ]------------ [ 49.076333] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.078281] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.079709] Modules linked in: [ 49.080281] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.082210] Tainted: [W]=WARN [ 49.082794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.084239] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.085136] 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 [ 49.088224] RSP: 0018:ffff888016e87bc0 EFLAGS: 00010286 [ 49.089164] RAX: 0000000000000000 RBX: ffffed1002dd0f78 RCX: ffffffff813a4050 [ 49.090415] RDX: ffff888015c35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.091706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd0f2f [ 49.092956] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.094208] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e87df8 [ 49.095467] FS: 00007f39c1dce900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.096862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.097894] CR2: 00007ffc49c27ef8 CR3: 000000000de73000 CR4: 0000000000350ef0 [ 49.099144] Call Trace: [ 49.099625] [ 49.100025] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.100891] ? __create_object+0x59/0x80 [ 49.101642] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.102584] __vmalloc_noprof+0x59/0x60 [ 49.103287] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.104131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.105030] bpf_prog_alloc+0x39/0x200 [ 49.105739] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.106646] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.107493] do_seccomp+0x349/0x25e0 [ 49.108198] ? find_held_lock+0x2b/0x80 [ 49.108937] ? do_prlimit+0x310/0x610 [ 49.109658] ? __pfx_do_seccomp+0x10/0x10 [ 49.110387] ? do_raw_spin_unlock+0x53/0x220 [ 49.111208] ? _raw_spin_unlock+0x1e/0x40 [ 49.111953] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.112899] ? static_key_count+0x60/0x80 [ 49.113679] prctl_set_seccomp+0x4e/0x70 [ 49.114391] __do_sys_prctl+0xe6c/0x1d70 [ 49.115165] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.115994] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.116930] ? irqentry_exit+0xf3/0x650 [ 49.117668] do_syscall_64+0xbf/0x430 [ 49.118353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.119289] RIP: 0033:0x7f39c22c05cd [ 49.119966] 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 [ 49.123062] RSP: 002b:00007ffc49c25950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.124385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f39c22c05cd [ 49.125618] RDX: 000055c60faa3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.126891] RBP: 00007ffc49c259b0 R08: 0000000000000000 R09: 00007ffc49c25050 [ 49.128154] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c63d850ad0 [ 49.129400] R13: 00007ffc49c25de0 R14: 000055c63d851bc0 R15: 000055c63d862780 [ 49.130658] [ 49.131083] irq event stamp: 1707 [ 49.131709] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 49.133179] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 49.134656] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 49.136159] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 49.137626] ---[ end trace 0000000000000000 ]--- [ 49.930905] ------------[ cut here ]------------ [ 49.931842] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.933785] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.935280] Modules linked in: [ 49.935915] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.937890] Tainted: [W]=WARN [ 49.938452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.939903] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.940803] 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 [ 49.943966] RSP: 0018:ffff888017557bc0 EFLAGS: 00010286 [ 49.944940] RAX: 0000000000000000 RBX: ffffed1002eaaf78 RCX: ffffffff813a4050 [ 49.946214] RDX: ffff888015c4d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.947489] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eaaf2f [ 49.948761] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.950045] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017557df8 [ 49.951333] FS: 00007fe9f2878900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.952776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.953829] CR2: 00007ffd92245ef8 CR3: 000000000a1a2000 CR4: 0000000000350ef0 [ 49.955102] Call Trace: [ 49.955600] [ 49.956003] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.956888] ? __create_object+0x59/0x80 [ 49.957670] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.958626] __vmalloc_noprof+0x59/0x60 [ 49.959332] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.960186] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.961118] bpf_prog_alloc+0x39/0x200 [ 49.961852] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.962783] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.963671] do_seccomp+0x349/0x25e0 [ 49.964337] ? find_held_lock+0x2b/0x80 [ 49.965088] ? do_prlimit+0x310/0x610 [ 49.965815] ? __pfx_do_seccomp+0x10/0x10 [ 49.966598] ? do_raw_spin_unlock+0x53/0x220 [ 49.967385] ? _raw_spin_unlock+0x1e/0x40 [ 49.968148] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.969092] ? static_key_count+0x60/0x80 [ 49.969872] prctl_set_seccomp+0x4e/0x70 [ 49.970639] __do_sys_prctl+0xe6c/0x1d70 [ 49.971402] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.972233] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.973200] ? irqentry_exit+0xf3/0x650 [ 49.973965] do_syscall_64+0xbf/0x430 [ 49.974705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.975665] RIP: 0033:0x7fe9f2d6a5cd [ 49.976341] 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 [ 49.979463] RSP: 002b:00007ffd92243860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.980811] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9f2d6a5cd [ 49.982084] RDX: 000055e4565d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.983363] RBP: 00007ffd922438c0 R08: 0000000000000000 R09: 00007ffd92242f60 [ 49.984646] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4730e92b0 [ 49.985929] R13: 00007ffd92243cf0 R14: 000055e4730ebd20 R15: 000055e4730fd8d0 [ 49.987237] [ 49.987698] irq event stamp: 1759 [ 49.988303] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 49.989799] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 49.991340] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 49.992872] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 49.994359] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57729' (ECDSA) to the list of known hosts. 2025/11/18 20:14:57 fuzzer started 2025/11/18 20:14:57 dialing manager at localhost:34383 2025/11/18 20:14:58 checking machine... 2025/11/18 20:14:58 checking revisions... [ 50.872267] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:14:58 testing simple program... [ 50.964674] cgroup: Unknown subsys name 'net' [ 51.031556] cgroup: Unknown subsys name 'cpuset' [ 51.057419] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:14:57 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81619130 RCX=ffff888016ae7944 RDX=1ffff11002d5cf3e RSI=ffffffff81b2a563 RDI=ffff888016ae79f0 RBP=ffff888016ae7a88 RSP=ffff888016ae79c8 R8 =ffffffff86ab8e24 R9 =ffff888016ae7a30 R10=000000000003c9ed R11=0000000000025764 R12=ffff888016ae7ab8 R13=0000000000000000 R14=ffff888015c33780 R15=ffff888016ae79f0 RIP=ffffffff8135e410 RFL=00000212 [----A--] 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 00007f39c1dce900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f39c2385618 CR3=000000000ab9f000 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=563412feff00545000000000000080fe 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=0000000000000000 RBX=0000000000000001 RCX=ffffffff86e8827c RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88806cf08a88 RSP=ffff88806cf089c0 R8 =ffffffff86e88280 R9 =ffff88806cf08a70 R10=000000000003c9ed R11=00000000000c8028 R12=ffff88806cf08a90 R13=ffff88806cf08a78 R14=ffff8880096efe60 R15=ffff88806cf08a30 RIP=ffffffff8135f0bf RFL=00000246 [---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 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc53c37d000 CR3=000000000d9b9000 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=4c56b123c57b07ae634dde389b3fec1b XMM02=ec2efd57dc4c00df0000000000305ad0 XMM03=c7b283342b5e04960000000000305ba0 XMM04=0be607e54fb0d03e00000000000ae988 XMM05=1530a2db869060840000000000322e08 XMM06=5b75c91c804453420000000000321ea8 XMM07=e042d86d42eb936e0000000000313180 XMM08=c7b283342b5e04960000000000305ba0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000