Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.066524] ------------[ cut here ]------------ [ 39.067406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069419] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.071082] Modules linked in: [ 39.071653] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.073669] Tainted: [W]=WARN [ 39.074255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.075705] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.076596] 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 [ 39.079663] RSP: 0018:ffff888015a3fbc0 EFLAGS: 00010286 [ 39.080623] RAX: 0000000000000000 RBX: ffffed1002b47f78 RCX: ffffffff813a4050 [ 39.081865] RDX: ffff888017109bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083149] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b47f2f [ 39.084402] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.085649] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a3fdf8 [ 39.086926] FS: 00007f3cfd1a7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.088328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089355] CR2: 00007ffcdee49ef8 CR3: 000000000e29f000 CR4: 0000000000350ef0 [ 39.090604] Call Trace: [ 39.091099] [ 39.091507] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.092385] ? __create_object+0x59/0x80 [ 39.093151] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.094103] __vmalloc_noprof+0x59/0x60 [ 39.094806] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.095653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.096559] bpf_prog_alloc+0x39/0x200 [ 39.097282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098177] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.099072] do_seccomp+0x349/0x25e0 [ 39.099730] ? find_held_lock+0x2b/0x80 [ 39.100493] ? do_prlimit+0x310/0x610 [ 39.101213] ? __pfx_do_seccomp+0x10/0x10 [ 39.101969] ? do_raw_spin_unlock+0x53/0x220 [ 39.102749] ? _raw_spin_unlock+0x1e/0x40 [ 39.103508] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.104463] ? static_key_count+0x60/0x80 [ 39.105259] prctl_set_seccomp+0x4e/0x70 [ 39.106018] __do_sys_prctl+0xe6c/0x1d70 [ 39.106756] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.107599] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.108544] ? irqentry_exit+0xf3/0x650 [ 39.109291] do_syscall_64+0xbf/0x430 [ 39.109993] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.110937] RIP: 0033:0x7f3cfd6995cd [ 39.111581] 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 [ 39.114664] RSP: 002b:00007ffcdee48c20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.115926] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3cfd6995cd [ 39.116994] RDX: 0000558386739e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.118048] RBP: 00007ffcdee48c80 R08: 0000000000000000 R09: 00007ffcdee48320 [ 39.119123] R10: 0000000000000000 R11: 0000000000000246 R12: 00005583b6bc1240 [ 39.120171] R13: 00007ffcdee490b0 R14: 00005583b6bc0bf0 R15: 00005583b6bd54d0 [ 39.121247] [ 39.121593] irq event stamp: 1795 [ 39.122118] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.123364] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.124602] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 39.125860] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 39.127108] ---[ end trace 0000000000000000 ]--- [ 42.070928] ------------[ cut here ]------------ [ 42.071922] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.074103] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.075707] Modules linked in: [ 42.076396] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.078539] Tainted: [W]=WARN [ 42.079178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.080754] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.081733] 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 [ 42.085163] RSP: 0018:ffff888019cc7bc0 EFLAGS: 00010286 [ 42.086218] RAX: 0000000000000000 RBX: ffffed1003398f78 RCX: ffffffff813a4050 [ 42.087613] RDX: ffff8880158f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.088988] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003398f2f [ 42.090375] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.091746] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019cc7df8 [ 42.093128] FS: 00007f10a7e29900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.094684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.095866] CR2: 00007ffe74ad0ef8 CR3: 000000000e2fc000 CR4: 0000000000350ef0 [ 42.097230] Call Trace: [ 42.097721] [ 42.098213] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.099187] ? __create_object+0x59/0x80 [ 42.100032] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.101084] __vmalloc_noprof+0x59/0x60 [ 42.101903] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.102805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.103804] bpf_prog_alloc+0x39/0x200 [ 42.104599] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.105597] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.106586] do_seccomp+0x349/0x25e0 [ 42.107360] ? find_held_lock+0x2b/0x80 [ 42.108187] ? do_prlimit+0x310/0x610 [ 42.108996] ? __pfx_do_seccomp+0x10/0x10 [ 42.109787] ? do_raw_spin_unlock+0x53/0x220 [ 42.110693] ? _raw_spin_unlock+0x1e/0x40 [ 42.111545] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.112574] ? static_key_count+0x60/0x80 [ 42.113444] prctl_set_seccomp+0x4e/0x70 [ 42.114276] __do_sys_prctl+0xe6c/0x1d70 [ 42.115135] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.116078] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.117117] ? irqentry_exit+0xf3/0x650 [ 42.117944] do_syscall_64+0xbf/0x430 [ 42.118705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.119726] RIP: 0033:0x7f10a831b5cd [ 42.120485] 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 [ 42.123880] RSP: 002b:00007ffe74ace500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.125334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10a831b5cd [ 42.126719] RDX: 0000563d54fc9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.128100] RBP: 00007ffe74ace560 R08: 0000000000000000 R09: 00007ffe74acdc00 [ 42.129468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d5c1a72b0 [ 42.130866] R13: 00007ffe74ace990 R14: 0000563d5c1a9d20 R15: 0000563d5c1bb8d0 [ 42.132256] [ 42.132706] irq event stamp: 1877 [ 42.133407] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 42.135049] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 42.136680] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 42.138333] softirqs last disabled at (1915): [] __irq_exit_rcu+0xc4/0x100 [ 42.139852] ---[ end trace 0000000000000000 ]--- [ 43.004995] ------------[ cut here ]------------ [ 43.005721] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.007404] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.008621] Modules linked in: [ 43.009152] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.011053] Tainted: [W]=WARN [ 43.011519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.012790] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.013537] 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 [ 43.016189] RSP: 0018:ffff88801984fbc0 EFLAGS: 00010286 [ 43.017009] RAX: 0000000000000000 RBX: ffffed1003309f78 RCX: ffffffff813a4050 [ 43.018086] RDX: ffff88801609d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.019168] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003309f2f [ 43.020243] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.021320] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801984fdf8 [ 43.022403] FS: 00007f4f0f7bb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.023607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.024499] CR2: 00007ffdc3d36ef8 CR3: 000000000ded8000 CR4: 0000000000350ef0 [ 43.025577] Call Trace: [ 43.026000] [ 43.026342] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.027103] ? __create_object+0x59/0x80 [ 43.027718] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.028527] __vmalloc_noprof+0x59/0x60 [ 43.029157] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.029893] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.030640] bpf_prog_alloc+0x39/0x200 [ 43.031275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.032056] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.032778] do_seccomp+0x349/0x25e0 [ 43.033388] ? find_held_lock+0x2b/0x80 [ 43.034016] ? do_prlimit+0x310/0x610 [ 43.034616] ? __pfx_do_seccomp+0x10/0x10 [ 43.035285] ? do_raw_spin_unlock+0x53/0x220 [ 43.035984] ? _raw_spin_unlock+0x1e/0x40 [ 43.036601] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.037405] ? static_key_count+0x60/0x80 [ 43.038086] prctl_set_seccomp+0x4e/0x70 [ 43.038715] __do_sys_prctl+0xe6c/0x1d70 [ 43.039375] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.040091] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.040910] ? irqentry_exit+0xf3/0x650 [ 43.041508] do_syscall_64+0xbf/0x430 [ 43.042128] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.042930] RIP: 0033:0x7f4f0fcad5cd [ 43.043489] 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 [ 43.046137] RSP: 002b:00007ffdc3d35820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.047279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f0fcad5cd [ 43.048347] RDX: 0000561024b91e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.049413] RBP: 00007ffdc3d35880 R08: 0000000000000000 R09: 00007ffdc3d34f20 [ 43.050495] R10: 0000000000000000 R11: 0000000000000246 R12: 000056103223bad0 [ 43.051571] R13: 00007ffdc3d35cb0 R14: 000056103223cbc0 R15: 000056103224d780 [ 43.052662] [ 43.053043] irq event stamp: 1835 [ 43.053547] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 43.054857] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 43.056127] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 43.057407] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 43.058691] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38984' (ECDSA) to the list of known hosts. 2025/11/18 08:00:02 fuzzer started 2025/11/18 08:00:02 dialing manager at localhost:37895 2025/11/18 08:00:02 checking machine... 2025/11/18 08:00:02 checking revisions... [ 43.938196] kmemleak: Automatic memory scanning thread ended 2025/11/18 08:00:02 testing simple program... [ 44.023966] cgroup: Unknown subsys name 'net' [ 44.100034] cgroup: Unknown subsys name 'cpuset' [ 44.114514] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:00:01 Registers: info registers vcpu 0 RAX=ffff88801ba58000 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff84c8133c RDI=fffffbfff0ba232c RBP=ffffffff85d11960 RSP=ffff88801655f780 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=0000000000000001 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81529321 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 00007f060a12c700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efe7bd9a020 CR3=000000000e3b8000 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=30303a383020383120766f4e3e38333c XMM01=656e6e6f637369642064657669656365 XMM02=63736964203a31313a38343836342074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383438 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=ffff88800d5d5378 RBX=0000000000000200 RCX=ffffffff8152d723 RDX=ffff888013a2a0d0 RSI=0000000000000000 RDI=ffff888013a2a000 RBP=ffff888013a2a000 RSP=ffff888019ed76d8 R8 =0000000000000001 R9 =ffffed10033daeca R10=0000000000000003 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff888013a2a000 R15=ffff88800944c280 RIP=ffffffff81b6199c RFL=00000092 [--S-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f34cd54b790 CR3=0000000019ffd000 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=0000000000000002fffffffe7ffbfeff XMM01=00000000000000008000000000000006 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=2520737365726464616e657473696c00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000