Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.151446] ------------[ cut here ]------------ [ 39.152368] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.154670] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.156110] Modules linked in: [ 39.156688] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.158683] Tainted: [W]=WARN [ 39.159284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.160746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.161657] 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 [ 39.164794] RSP: 0018:ffff88801431fbc0 EFLAGS: 00010286 [ 39.165760] RAX: 0000000000000000 RBX: ffffed1002863f78 RCX: ffffffff813a4050 [ 39.167043] RDX: ffff88801775b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.168299] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002863f2f [ 39.169569] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.170824] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801431fdf8 [ 39.172103] FS: 00007f767ec63900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.173516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.174557] CR2: 00007f767f155580 CR3: 000000000a5be000 CR4: 0000000000350ef0 [ 39.175813] Call Trace: [ 39.176320] [ 39.176724] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.177622] ? __create_object+0x59/0x80 [ 39.178399] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.179354] __vmalloc_noprof+0x59/0x60 [ 39.180053] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.180914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.181840] bpf_prog_alloc+0x39/0x200 [ 39.182563] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.183486] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.184381] do_seccomp+0x349/0x25e0 [ 39.185043] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.185932] ? __pfx_do_seccomp+0x10/0x10 [ 39.186713] ? find_held_lock+0x2b/0x80 [ 39.187469] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.188418] ? static_key_count+0x60/0x80 [ 39.189201] prctl_set_seccomp+0x4e/0x70 [ 39.189936] __do_sys_prctl+0xe6c/0x1d70 [ 39.190718] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.191564] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.192514] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.193484] ? irqentry_exit+0xf3/0x650 [ 39.194255] do_syscall_64+0xbf/0x430 [ 39.194949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.195884] RIP: 0033:0x7f767f1555cd [ 39.196563] 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 [ 39.199703] RSP: 002b:00007fffde473ca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.201051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f767f1555cd [ 39.202342] RDX: 000055b2a3f4ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.203598] RBP: 00007fffde473d00 R08: 0000000000000000 R09: 00007fffde4733a0 [ 39.204854] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b2be366b10 [ 39.206120] R13: 00007fffde474130 R14: 000055b2be3672b0 R15: 000055b2be37b6f0 [ 39.207402] [ 39.207826] irq event stamp: 1755 [ 39.208460] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 39.209989] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 39.211493] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 39.213028] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.214526] ---[ end trace 0000000000000000 ]--- [ 42.628476] ------------[ cut here ]------------ [ 42.629266] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.631034] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.632300] Modules linked in: [ 42.632818] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.634549] Tainted: [W]=WARN [ 42.635016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.636288] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.637057] 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 [ 42.639836] RSP: 0018:ffff888019b6fbc0 EFLAGS: 00010286 [ 42.640703] RAX: 0000000000000000 RBX: ffffed100336df78 RCX: ffffffff813a4050 [ 42.641806] RDX: ffff888017bbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.642892] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336df2f [ 42.643971] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.645044] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b6fdf8 [ 42.646130] FS: 00007f0d67860900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.647412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.648542] CR2: 00007fff8d18cef8 CR3: 000000001b49f000 CR4: 0000000000350ef0 [ 42.649947] Call Trace: [ 42.650512] [ 42.650956] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.651927] ? __create_object+0x59/0x80 [ 42.652800] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.653870] __vmalloc_noprof+0x59/0x60 [ 42.654716] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.655669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.656680] bpf_prog_alloc+0x39/0x200 [ 42.657521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.658553] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.659550] do_seccomp+0x349/0x25e0 [ 42.660348] ? find_held_lock+0x2b/0x80 [ 42.661194] ? do_prlimit+0x310/0x610 [ 42.661968] ? __pfx_do_seccomp+0x10/0x10 [ 42.662834] ? do_raw_spin_unlock+0x53/0x220 [ 42.663744] ? _raw_spin_unlock+0x1e/0x40 [ 42.664618] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.665684] ? static_key_count+0x60/0x80 [ 42.666574] prctl_set_seccomp+0x4e/0x70 [ 42.667433] __do_sys_prctl+0xe6c/0x1d70 [ 42.668221] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.668994] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.669857] ? irqentry_exit+0xf3/0x650 [ 42.670532] do_syscall_64+0xbf/0x430 [ 42.671181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.671968] RIP: 0033:0x7f0d67d525cd [ 42.672605] 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 [ 42.675313] RSP: 002b:00007fff8d18af40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.676568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d67d525cd [ 42.677846] RDX: 0000562c978b9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.679159] RBP: 00007fff8d18afa0 R08: 0000000000000000 R09: 00007fff8d18a640 [ 42.680458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562cd5df2ad0 [ 42.681750] R13: 00007fff8d18b3d0 R14: 0000562cd5df3bc0 R15: 0000562cd5e04780 [ 42.682839] [ 42.683223] irq event stamp: 1735 [ 42.683733] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.685010] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.686290] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 42.687584] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 42.688857] ---[ end trace 0000000000000000 ]--- [ 43.511466] ------------[ cut here ]------------ [ 43.512853] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.514936] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.516604] Modules linked in: [ 43.517887] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.520201] Tainted: [W]=WARN [ 43.520769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.522442] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.523461] 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 [ 43.527122] RSP: 0018:ffff88801742fbc0 EFLAGS: 00010286 [ 43.528235] RAX: 0000000000000000 RBX: ffffed1002e85f78 RCX: ffffffff813a4050 [ 43.529788] RDX: ffff888018d25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.531255] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e85f2f [ 43.532743] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.534161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801742fdf8 [ 43.535496] FS: 00007ff44dbbc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.537014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.538207] CR2: 00007ffc087cbef8 CR3: 000000000e57a000 CR4: 0000000000350ef0 [ 43.539550] Call Trace: [ 43.540034] [ 43.540523] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.541471] ? __create_object+0x59/0x80 [ 43.542325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.543355] __vmalloc_noprof+0x59/0x60 [ 43.544149] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.545004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.546015] bpf_prog_alloc+0x39/0x200 [ 43.546807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.547805] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.548764] do_seccomp+0x349/0x25e0 [ 43.549530] ? find_held_lock+0x2b/0x80 [ 43.550355] ? do_prlimit+0x310/0x610 [ 43.551146] ? __pfx_do_seccomp+0x10/0x10 [ 43.551915] ? do_raw_spin_unlock+0x53/0x220 [ 43.552745] ? _raw_spin_unlock+0x1e/0x40 [ 43.553547] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.554575] ? static_key_count+0x60/0x80 [ 43.555440] prctl_set_seccomp+0x4e/0x70 [ 43.556265] __do_sys_prctl+0xe6c/0x1d70 [ 43.557027] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.557963] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.558988] ? irqentry_exit+0xf3/0x650 [ 43.559796] do_syscall_64+0xbf/0x430 [ 43.560613] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.561584] RIP: 0033:0x7ff44e0ae5cd [ 43.562315] 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 [ 43.564959] RSP: 002b:00007ffc087ca9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.566144] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff44e0ae5cd [ 43.567228] RDX: 0000555b63827e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.568331] RBP: 00007ffc087caa20 R08: 0000000000000000 R09: 00007ffc087ca0c0 [ 43.569436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555b80f3fad0 [ 43.570519] R13: 00007ffc087cae50 R14: 0000555b80f40bc0 R15: 0000555b80f51780 [ 43.571668] [ 43.572036] irq event stamp: 1963 [ 43.572598] hardirqs last enabled at (1973): [] __up_console_sem+0x78/0x80 [ 43.573886] hardirqs last disabled at (1982): [] __up_console_sem+0x5d/0x80 [ 43.575177] softirqs last enabled at (1886): [] handle_softirqs+0x50c/0x770 [ 43.576499] softirqs last disabled at (1881): [] __irq_exit_rcu+0xc4/0x100 [ 43.577813] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57451' (ECDSA) to the list of known hosts. 2025/11/18 02:03:11 fuzzer started 2025/11/18 02:03:11 dialing manager at localhost:37895 2025/11/18 02:03:11 checking machine... 2025/11/18 02:03:11 checking revisions... [ 44.530049] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:03:11 testing simple program... [ 44.635339] cgroup: Unknown subsys name 'net' [ 44.695300] cgroup: Unknown subsys name 'cpuset' [ 44.711352] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:03:10 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff8880096276a8 R8 =0000000000000000 R9 =0000000000000000 R10=ffff8880096277f0 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff8880096277f0 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff8d185000 CR3=000000000e622000 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=2030313a33303a323020383120766f4e XMM01=6964206465766965636552203a5d3933 XMM02=6f63736964203a31313a383537383420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030313a33303a3230203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a56b RDX=ffff888016010000 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88801600f3b8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e786a8 R15=0000000000000cc0 RIP=ffffffff81751606 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 00007f52df28a900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff09989868 CR3=000000000da80000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=8c7c1c11513d2de100000000000ae988 XMM05=eb39828d1d3e5bfe0000000000320920 XMM06=2c55dd3d9766b9c8000000000031eb80 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000