Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.948165] ------------[ cut here ]------------ [ 38.949194] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.951491] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.953060] Modules linked in: [ 38.953781] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.957566] Tainted: [W]=WARN [ 38.958190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.959909] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.960898] 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 [ 38.964335] RSP: 0018:ffff88801af6fbc0 EFLAGS: 00010286 [ 38.965415] RAX: 0000000000000000 RBX: ffffed10035edf78 RCX: ffffffff813a4050 [ 38.966904] RDX: ffff88801720d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.968412] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035edf2f [ 38.969891] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.971376] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af6fdf8 [ 38.972853] FS: 00007fd1d307e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.974511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.975733] CR2: 00007ffece8d1ef7 CR3: 000000000df84000 CR4: 0000000000350ef0 [ 38.977204] Call Trace: [ 38.977784] [ 38.978252] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.979325] ? __create_object+0x59/0x80 [ 38.980171] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.981275] __vmalloc_noprof+0x59/0x60 [ 38.982127] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.983126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.984184] bpf_prog_alloc+0x39/0x200 [ 38.985014] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986074] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.987120] do_seccomp+0x349/0x25e0 [ 38.987932] ? find_held_lock+0x2b/0x80 [ 38.988789] ? do_prlimit+0x310/0x610 [ 38.989632] ? __pfx_do_seccomp+0x10/0x10 [ 38.990533] ? do_raw_spin_unlock+0x53/0x220 [ 38.991490] ? _raw_spin_unlock+0x1e/0x40 [ 38.992370] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.993466] ? static_key_count+0x60/0x80 [ 38.994372] prctl_set_seccomp+0x4e/0x70 [ 38.995221] __do_sys_prctl+0xe6c/0x1d70 [ 38.996081] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.997012] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.998102] ? irqentry_exit+0xf3/0x650 [ 38.998988] do_syscall_64+0xbf/0x430 [ 38.999827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.000877] RIP: 0033:0x7fd1d35705cd [ 39.001631] 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 [ 39.005020] RSP: 002b:00007ffece8cf340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.006462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1d35705cd [ 39.007863] RDX: 000055d931188e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.009256] RBP: 00007ffece8cf3a0 R08: 0000000000000000 R09: 00007ffece8cea40 [ 39.010659] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d96deb1ad0 [ 39.012073] R13: 00007ffece8cf7d0 R14: 000055d96deb2bc0 R15: 000055d96dec3780 [ 39.013486] [ 39.013950] irq event stamp: 2059 [ 39.014652] hardirqs last enabled at (2069): [] __up_console_sem+0x78/0x80 [ 39.016128] hardirqs last disabled at (2078): [] __up_console_sem+0x5d/0x80 [ 39.017531] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 39.018968] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 39.020364] ---[ end trace 0000000000000000 ]--- [ 42.050040] ------------[ cut here ]------------ [ 42.052035] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.053534] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.054196] Modules linked in: [ 42.054617] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.055654] Tainted: [W]=WARN [ 42.055917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.056672] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.057076] 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 [ 42.058645] RSP: 0018:ffff88800eff7bc0 EFLAGS: 00010286 [ 42.059095] RAX: 0000000000000000 RBX: ffffed1001dfef78 RCX: ffffffff813a4050 [ 42.059770] RDX: ffff888015c15340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.060453] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dfef2f [ 42.061040] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.061715] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eff7df8 [ 42.062398] FS: 00007f08c28f4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.063196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.063785] CR2: 00007f08c2de6580 CR3: 0000000020687000 CR4: 0000000000350ef0 [ 42.064460] Call Trace: [ 42.064676] [ 42.064875] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.065391] ? __create_object+0x59/0x80 [ 42.065743] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.066178] __vmalloc_noprof+0x59/0x60 [ 42.066626] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.067022] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.067548] bpf_prog_alloc+0x39/0x200 [ 42.067887] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.068400] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.068814] do_seccomp+0x349/0x25e0 [ 42.069136] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.069651] ? __pfx_do_seccomp+0x10/0x10 [ 42.070023] ? find_held_lock+0x2b/0x80 [ 42.070508] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.070959] ? static_key_count+0x60/0x80 [ 42.071451] prctl_set_seccomp+0x4e/0x70 [ 42.071811] __do_sys_prctl+0xe6c/0x1d70 [ 42.072160] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.072682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.073113] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.073666] ? irqentry_exit+0xf3/0x650 [ 42.074008] do_syscall_64+0xbf/0x430 [ 42.074471] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.075131] RIP: 0033:0x7f08c2de65cd [ 42.075565] 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 [ 42.077178] RSP: 002b:00007fff6b044070 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.077821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08c2de65cd [ 42.078421] RDX: 00005649fe08ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.079019] RBP: 00007fff6b0440d0 R08: 0000000000000000 R09: 00007fff6b043770 [ 42.079647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a2d522ad0 [ 42.080237] R13: 00007fff6b044500 R14: 0000564a2d523bc0 R15: 0000564a2d534780 [ 42.080843] [ 42.081051] irq event stamp: 3637 [ 42.081357] hardirqs last enabled at (3647): [] __up_console_sem+0x78/0x80 [ 42.082049] hardirqs last disabled at (3654): [] __up_console_sem+0x5d/0x80 [ 42.082781] softirqs last enabled at (3554): [] handle_softirqs+0x50c/0x770 [ 42.083519] softirqs last disabled at (3535): [] __irq_exit_rcu+0xc4/0x100 [ 42.084342] ---[ end trace 0000000000000000 ]--- [ 42.923925] ------------[ cut here ]------------ [ 42.924858] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.926948] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.928407] Modules linked in: [ 42.929016] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.931068] Tainted: [W]=WARN [ 42.931691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.933157] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.934074] 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 [ 42.937387] RSP: 0018:ffff888019eb7bc0 EFLAGS: 00010286 [ 42.938391] RAX: 0000000000000000 RBX: ffffed10033d6f78 RCX: ffffffff813a4050 [ 42.939697] RDX: ffff888015bc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.940997] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033d6f2f [ 42.942304] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.943627] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019eb7df8 [ 42.944918] FS: 00007f3b2d401900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.946372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.947450] CR2: 00007f3b2d8f3580 CR3: 000000000d818000 CR4: 0000000000350ef0 [ 42.948740] Call Trace: [ 42.949205] [ 42.949665] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.950593] ? __create_object+0x59/0x80 [ 42.951400] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.952396] __vmalloc_noprof+0x59/0x60 [ 42.953122] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.954004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.954972] bpf_prog_alloc+0x39/0x200 [ 42.955722] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.956665] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.957591] do_seccomp+0x349/0x25e0 [ 42.958264] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.959190] ? __pfx_do_seccomp+0x10/0x10 [ 42.959982] ? find_held_lock+0x2b/0x80 [ 42.960743] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.961710] ? static_key_count+0x60/0x80 [ 42.962540] prctl_set_seccomp+0x4e/0x70 [ 42.963342] __do_sys_prctl+0xe6c/0x1d70 [ 42.964095] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.964967] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.965951] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.966952] ? irqentry_exit+0xf3/0x650 [ 42.967732] do_syscall_64+0xbf/0x430 [ 42.968479] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.969434] RIP: 0033:0x7f3b2d8f35cd [ 42.970106] 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 [ 42.973333] RSP: 002b:00007ffde3b07160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.974710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b2d8f35cd [ 42.976010] RDX: 000055cca7241e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.977316] RBP: 00007ffde3b071c0 R08: 0000000000000000 R09: 00007ffde3b06860 [ 42.978635] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ccb9c60ad0 [ 42.979925] R13: 00007ffde3b075f0 R14: 000055ccb9c61bc0 R15: 000055ccb9c72780 [ 42.981243] [ 42.981720] irq event stamp: 1799 [ 42.982382] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.983946] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.985474] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 42.987036] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 42.988210] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13361' (ECDSA) to the list of known hosts. 2025/11/18 02:36:07 fuzzer started 2025/11/18 02:36:07 dialing manager at localhost:37895 2025/11/18 02:36:07 checking machine... 2025/11/18 02:36:07 checking revisions... [ 43.790856] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:36:07 testing simple program... [ 43.873768] cgroup: Unknown subsys name 'net' [ 43.929240] cgroup: Unknown subsys name 'cpuset' [ 43.944090] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:36:06 Registers: info registers vcpu 0 RAX=ffffffff81a081ce RBX=ffffffff86717294 RCX=ffffffff81a08487 RDX=0000000000000000 RSI=ffffffff86aa2610 RDI=ffffffff86717294 RBP=ffffffff86717298 RSP=ffff888013837918 R8 =ffffffff86aa2610 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000021bb8 R12=ffffffff86717294 R13=ffffffff86717294 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8135dad7 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f6fc3449900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055ca06d496e8 CR3=00000000206e7000 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=0000000000ff0000ff0000ff00000000 XMM02=00000000ff0000ff0000ff0000000000 XMM03=000000000000000000000000000000ff XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00007f6fc35055f000007f6fc3505060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88801645741c RBX=0000000000000003 RCX=ffffffff84bf4ec8 RDX=ffff888016d9b780 RSI=ffffffff84bf4ed5 RDI=0000000000000005 RBP=ffff88801645741c RSP=ffff888015ec7958 R8 =0000000000000001 R9 =ffffed100167ba10 R10=0000000000000003 R11=0000000000000001 R12=0000000000000001 R13=0000000000000002 R14=dffffc0000000000 R15=ffff888015ec7a90 RIP=ffffffff84bf4edd RFL=00000293 [--S-A-C] 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 00007f08c28f4900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f08c28d3020 CR3=000000000d3ff000 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