Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.016200] ------------[ cut here ]------------ [ 39.017141] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.019114] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.020602] Modules linked in: [ 39.021252] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.023235] Tainted: [W]=WARN [ 39.023824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.025307] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.026224] 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 [ 39.029341] RSP: 0018:ffff88800eb07bc0 EFLAGS: 00010286 [ 39.030330] RAX: 0000000000000000 RBX: ffffed1001d60f78 RCX: ffffffff813a4050 [ 39.031599] RDX: ffff888016625340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.032887] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d60f2f [ 39.034170] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.035459] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eb07df8 [ 39.036753] FS: 00007f41dc3d8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.038221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.039268] CR2: 00007fff0743eef8 CR3: 000000000ca6a000 CR4: 0000000000350ef0 [ 39.040546] Call Trace: [ 39.041058] [ 39.041484] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.042386] ? __create_object+0x59/0x80 [ 39.043181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.044199] __vmalloc_noprof+0x59/0x60 [ 39.044972] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.045875] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046812] bpf_prog_alloc+0x39/0x200 [ 39.047499] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048416] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.049306] do_seccomp+0x349/0x25e0 [ 39.050039] ? find_held_lock+0x2b/0x80 [ 39.050804] ? do_prlimit+0x310/0x610 [ 39.051505] ? __pfx_do_seccomp+0x10/0x10 [ 39.052298] ? do_raw_spin_unlock+0x53/0x220 [ 39.053115] ? _raw_spin_unlock+0x1e/0x40 [ 39.053908] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.054887] ? static_key_count+0x60/0x80 [ 39.055645] prctl_set_seccomp+0x4e/0x70 [ 39.056426] __do_sys_prctl+0xe6c/0x1d70 [ 39.057211] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.058083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.059058] ? irqentry_exit+0xf3/0x650 [ 39.059817] do_syscall_64+0xbf/0x430 [ 39.060518] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.061473] RIP: 0033:0x7f41dc8ca5cd [ 39.062180] 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 [ 39.065338] RSP: 002b:00007fff0743c810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.066728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41dc8ca5cd [ 39.068046] RDX: 000055b6a266ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.069335] RBP: 00007fff0743c870 R08: 0000000000000000 R09: 00007fff0743bf10 [ 39.070619] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b6cfd262b0 [ 39.071904] R13: 00007fff0743cca0 R14: 000055b6cfd28d20 R15: 000055b6cfd3a8d0 [ 39.073198] [ 39.073642] irq event stamp: 1789 [ 39.074296] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.075829] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.077353] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 39.078910] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 39.080426] ---[ end trace 0000000000000000 ]--- [ 42.447645] ------------[ cut here ]------------ [ 42.448448] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.450161] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.451431] Modules linked in: [ 42.451979] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.453755] Tainted: [W]=WARN [ 42.454234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.455490] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.456260] 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 [ 42.458987] RSP: 0018:ffff8880159afbc0 EFLAGS: 00010286 [ 42.459828] RAX: 0000000000000000 RBX: ffffed1002b35f78 RCX: ffffffff813a4050 [ 42.460925] RDX: ffff888015418000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.462035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b35f2f [ 42.463131] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.464223] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880159afdf8 [ 42.465324] FS: 00007f98f7e58900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.466569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.467482] CR2: 00007ffe6d32cef8 CR3: 000000000da63000 CR4: 0000000000350ef0 [ 42.468586] Call Trace: [ 42.469023] [ 42.469373] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.470154] ? __create_object+0x59/0x80 [ 42.470822] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.471606] __vmalloc_noprof+0x59/0x60 [ 42.472249] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.472994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.473807] bpf_prog_alloc+0x39/0x200 [ 42.474401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.475198] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.475976] do_seccomp+0x349/0x25e0 [ 42.476547] ? find_held_lock+0x2b/0x80 [ 42.477199] ? do_prlimit+0x310/0x610 [ 42.477836] ? __pfx_do_seccomp+0x10/0x10 [ 42.478467] ? do_raw_spin_unlock+0x53/0x220 [ 42.479182] ? _raw_spin_unlock+0x1e/0x40 [ 42.479839] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.480622] ? static_key_count+0x60/0x80 [ 42.481306] prctl_set_seccomp+0x4e/0x70 [ 42.481965] __do_sys_prctl+0xe6c/0x1d70 [ 42.482597] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.483327] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.484157] ? irqentry_exit+0xf3/0x650 [ 42.484819] do_syscall_64+0xbf/0x430 [ 42.485407] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.486241] RIP: 0033:0x7f98f834a5cd [ 42.486847] 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 [ 42.489564] RSP: 002b:00007ffe6d32b300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.490738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98f834a5cd [ 42.491834] RDX: 000055ac3337ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.492927] RBP: 00007ffe6d32b360 R08: 0000000000000000 R09: 00007ffe6d32aa00 [ 42.494029] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac625d4ad0 [ 42.495126] R13: 00007ffe6d32b790 R14: 000055ac625d5bc0 R15: 000055ac625e6780 [ 42.496238] [ 42.496598] irq event stamp: 1771 [ 42.497165] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.498471] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.499777] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 42.501093] softirqs last disabled at (1281): [] __irq_exit_rcu+0xc4/0x100 [ 42.502403] ---[ end trace 0000000000000000 ]--- [ 43.306508] ------------[ cut here ]------------ [ 43.307312] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.309004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.310272] Modules linked in: [ 43.310815] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.312477] Tainted: [W]=WARN [ 43.312991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.314266] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.315102] 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 [ 43.317771] RSP: 0018:ffff88800a50fbc0 EFLAGS: 00010286 [ 43.318576] RAX: 0000000000000000 RBX: ffffed10014a1f78 RCX: ffffffff813a4050 [ 43.319671] RDX: ffff888009a83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.320734] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014a1f2f [ 43.321855] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.322969] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a50fdf8 [ 43.324059] FS: 00007ff7a4dcf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.325298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.326216] CR2: 00007ffde97a0ef8 CR3: 000000001a9bf000 CR4: 0000000000350ef0 [ 43.327309] Call Trace: [ 43.327733] [ 43.328078] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.328840] ? __create_object+0x59/0x80 [ 43.329455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.330318] __vmalloc_noprof+0x59/0x60 [ 43.330944] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.331632] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.332420] bpf_prog_alloc+0x39/0x200 [ 43.333029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.333827] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.334548] do_seccomp+0x349/0x25e0 [ 43.335154] ? find_held_lock+0x2b/0x80 [ 43.335795] ? do_prlimit+0x310/0x610 [ 43.336383] ? __pfx_do_seccomp+0x10/0x10 [ 43.337047] ? do_raw_spin_unlock+0x53/0x220 [ 43.337750] ? _raw_spin_unlock+0x1e/0x40 [ 43.338363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.339176] ? static_key_count+0x60/0x80 [ 43.339859] prctl_set_seccomp+0x4e/0x70 [ 43.340469] __do_sys_prctl+0xe6c/0x1d70 [ 43.341132] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.341864] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.342645] ? irqentry_exit+0xf3/0x650 [ 43.343281] do_syscall_64+0xbf/0x430 [ 43.343898] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.344653] RIP: 0033:0x7ff7a52c15cd [ 43.345243] 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 [ 43.347923] RSP: 002b:00007ffde979f150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.349102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7a52c15cd [ 43.350408] RDX: 0000563f40827e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.351738] RBP: 00007ffde979f1b0 R08: 0000000000000000 R09: 00007ffde979e850 [ 43.353040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f517872b0 [ 43.354362] R13: 00007ffde979f5e0 R14: 0000563f51789d20 R15: 0000563f5179b8d0 [ 43.355699] [ 43.356173] irq event stamp: 1753 [ 43.356829] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 43.358547] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 43.360069] softirqs last enabled at (1242): [] handle_softirqs+0x50c/0x770 [ 43.361620] softirqs last disabled at (1221): [] __irq_exit_rcu+0xc4/0x100 [ 43.363174] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55216' (ECDSA) to the list of known hosts. 2025/11/18 09:44:34 fuzzer started 2025/11/18 09:44:34 dialing manager at localhost:34383 2025/11/18 09:44:34 checking machine... 2025/11/18 09:44:34 checking revisions... [ 44.260387] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:44:34 testing simple program... [ 44.360008] cgroup: Unknown subsys name 'net' [ 44.424962] cgroup: Unknown subsys name 'cpuset' [ 44.442890] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:44:33 Registers: info registers vcpu 0 RAX=ffffffff81b2ea6f RBX=ffffffff81619130 RCX=ffff88806ce089a4 RDX=1ffff1100d9c1155 RSI=ffffffff81b2ea6f RDI=ffff88806ce08b18 RBP=ffff88806ce08ae8 RSP=ffff88806ce08a48 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000025816 R12=ffff88806ce08b18 R13=0000000000000000 R14=ffff888016be5340 R15=ffff88800945d3c0 RIP=ffffffff84c99a20 RFL=00000286 [--S--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 00007f98f7e58900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe6d325000 CR3=000000001fafa000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2a563 RBX=ffffffff81619130 RCX=ffff8880155af8e4 RDX=1ffff11002ab5f3d RSI=ffffffff81b2a563 RDI=ffff8880155afa58 RBP=ffff8880155afa28 RSP=ffff8880155af988 R8 =ffffffff86ab8e24 R9 =ffff8880155af9d0 R10=000000000003c9ed R11=0000000000025764 R12=ffff8880155afa58 R13=0000000000000000 R14=ffff8880141f5340 R15=ffff888009462140 RIP=ffffffff81619134 RFL=00000286 [--S--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 00007f96e0518900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f96dfc2e000 CR3=000000000dfda000 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=34343a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303436 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000