Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.033696] ------------[ cut here ]------------ [ 39.034711] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.036920] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.038400] Modules linked in: [ 39.038992] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.040983] Tainted: [W]=WARN [ 39.041572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.043069] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.043933] 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 [ 39.047102] RSP: 0018:ffff88801d4a7bc0 EFLAGS: 00010286 [ 39.048029] RAX: 0000000000000000 RBX: ffffed1003a94f78 RCX: ffffffff813a4050 [ 39.049344] RDX: ffff888017461bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.050610] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003a94f2f [ 39.051878] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.053148] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801d4a7df8 [ 39.054412] FS: 00007fdb9aea0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.055867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.056932] CR2: 00007ffc7981aef7 CR3: 000000001d644000 CR4: 0000000000350ef0 [ 39.058230] Call Trace: [ 39.058690] [ 39.059151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.060003] ? __create_object+0x59/0x80 [ 39.060810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.061802] __vmalloc_noprof+0x59/0x60 [ 39.062562] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.063456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.064399] bpf_prog_alloc+0x39/0x200 [ 39.065182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.066226] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.067143] do_seccomp+0x349/0x25e0 [ 39.067814] ? find_held_lock+0x2b/0x80 [ 39.068585] ? do_prlimit+0x310/0x610 [ 39.069331] ? __pfx_do_seccomp+0x10/0x10 [ 39.070136] ? do_raw_spin_unlock+0x53/0x220 [ 39.070934] ? _raw_spin_unlock+0x1e/0x40 [ 39.071721] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.072700] ? static_key_count+0x60/0x80 [ 39.073503] prctl_set_seccomp+0x4e/0x70 [ 39.074279] __do_sys_prctl+0xe6c/0x1d70 [ 39.075013] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.075868] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.076845] ? irqentry_exit+0xf3/0x650 [ 39.077600] do_syscall_64+0xbf/0x430 [ 39.078336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.079291] RIP: 0033:0x7fdb9b3925cd [ 39.079975] 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 [ 39.083150] RSP: 002b:00007ffc79819ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.084538] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb9b3925cd [ 39.085815] RDX: 0000556278109e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.087104] RBP: 00007ffc79819f00 R08: 0000000000000000 R09: 00007ffc798195a0 [ 39.088398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556295eb3ad0 [ 39.089657] R13: 00007ffc7981a330 R14: 0000556295eb4bc0 R15: 0000556295ec5780 [ 39.090937] [ 39.091401] irq event stamp: 1737 [ 39.092014] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.093561] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.095083] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 39.096647] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.098065] ---[ end trace 0000000000000000 ]--- [ 42.048082] ------------[ cut here ]------------ [ 42.048982] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.051015] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.052587] Modules linked in: [ 42.053238] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.055229] Tainted: [W]=WARN [ 42.055792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.057286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.058196] 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 [ 42.061381] RSP: 0018:ffff888016dafbc0 EFLAGS: 00010286 [ 42.062374] RAX: 0000000000000000 RBX: ffffed1002db5f78 RCX: ffffffff813a4050 [ 42.063656] RDX: ffff888017b9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.064960] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db5f2f [ 42.066234] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.067518] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dafdf8 [ 42.068809] FS: 00007fb605cbb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.070260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.071320] CR2: 00007ffcc15a3ef7 CR3: 0000000016ab3000 CR4: 0000000000350ef0 [ 42.072620] Call Trace: [ 42.073162] [ 42.073576] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.074486] ? __create_object+0x59/0x80 [ 42.075264] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.076240] __vmalloc_noprof+0x59/0x60 [ 42.076958] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.077828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.078754] bpf_prog_alloc+0x39/0x200 [ 42.079500] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.080445] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.081378] do_seccomp+0x349/0x25e0 [ 42.082102] ? find_held_lock+0x2b/0x80 [ 42.082810] ? do_prlimit+0x310/0x610 [ 42.083552] ? __pfx_do_seccomp+0x10/0x10 [ 42.084361] ? do_raw_spin_unlock+0x53/0x220 [ 42.085211] ? _raw_spin_unlock+0x1e/0x40 [ 42.085955] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.086923] ? static_key_count+0x60/0x80 [ 42.087721] prctl_set_seccomp+0x4e/0x70 [ 42.088494] __do_sys_prctl+0xe6c/0x1d70 [ 42.089265] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.090127] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.091108] ? irqentry_exit+0xf3/0x650 [ 42.091834] do_syscall_64+0xbf/0x430 [ 42.092585] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.093537] RIP: 0033:0x7fb6061ad5cd [ 42.094262] 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 [ 42.097449] RSP: 002b:00007ffcc15a23d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.098810] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6061ad5cd [ 42.100092] RDX: 0000557c3340be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.101435] RBP: 00007ffcc15a2430 R08: 0000000000000000 R09: 00007ffcc15a1ad0 [ 42.102329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c47f912b0 [ 42.103146] R13: 00007ffcc15a2860 R14: 0000557c47f93d20 R15: 0000557c47fa58d0 [ 42.103937] [ 42.104244] irq event stamp: 1783 [ 42.104655] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.105523] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.106234] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 42.106931] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 42.107649] ---[ end trace 0000000000000000 ]--- [ 42.906009] ------------[ cut here ]------------ [ 42.906833] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.908537] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.910123] Modules linked in: [ 42.910754] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.912669] Tainted: [W]=WARN [ 42.913332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.914863] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.915690] 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 [ 42.918748] RSP: 0018:ffff8880178c7bc0 EFLAGS: 00010286 [ 42.919621] RAX: 0000000000000000 RBX: ffffed1002f18f78 RCX: ffffffff813a4050 [ 42.921020] RDX: ffff888017ecd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.922379] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f18f2f [ 42.923493] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.924891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178c7df8 [ 42.926284] FS: 00007f2145a62900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.927543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.928701] CR2: 00007f2145f54580 CR3: 000000000e84c000 CR4: 0000000000350ef0 [ 42.930075] Call Trace: [ 42.930593] [ 42.931247] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.932233] ? __create_object+0x59/0x80 [ 42.933101] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.934158] __vmalloc_noprof+0x59/0x60 [ 42.934938] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.935856] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.936878] bpf_prog_alloc+0x39/0x200 [ 42.937700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.938714] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.939541] do_seccomp+0x349/0x25e0 [ 42.940337] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.941134] ? __pfx_do_seccomp+0x10/0x10 [ 42.941748] ? find_held_lock+0x2b/0x80 [ 42.942372] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.943160] ? static_key_count+0x60/0x80 [ 42.943780] prctl_set_seccomp+0x4e/0x70 [ 42.944419] __do_sys_prctl+0xe6c/0x1d70 [ 42.945032] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.945733] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.946529] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.947336] ? irqentry_exit+0xf3/0x650 [ 42.947932] do_syscall_64+0xbf/0x430 [ 42.948548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.949330] RIP: 0033:0x7f2145f545cd [ 42.949869] 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 [ 42.952490] RSP: 002b:00007ffcc1aa1950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.953609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2145f545cd [ 42.954658] RDX: 0000557797c4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.955718] RBP: 00007ffcc1aa19b0 R08: 0000000000000000 R09: 00007ffcc1aa1050 [ 42.956785] R10: 0000000000000000 R11: 0000000000000246 R12: 00005577b1cd3bf0 [ 42.957830] R13: 00007ffcc1aa1de0 R14: 00005577b1cdd380 R15: 00005577b1ce8460 [ 42.958896] [ 42.959268] irq event stamp: 1757 [ 42.959769] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 42.961034] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 42.962319] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 42.963578] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 42.964842] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36043' (ECDSA) to the list of known hosts. 2025/11/18 14:47:34 fuzzer started 2025/11/18 14:47:34 dialing manager at localhost:34383 2025/11/18 14:47:34 checking machine... 2025/11/18 14:47:34 checking revisions... [ 43.822554] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:47:34 testing simple program... [ 43.903383] cgroup: Unknown subsys name 'net' [ 43.966489] cgroup: Unknown subsys name 'cpuset' [ 43.978712] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:47:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff817d9966 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81b2e764 RBP=ffff88806ce08e58 RSP=ffff88806ce08e48 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000039 R13=ffff88806ce08ee0 R14=ffff88800e278cb8 R15=ffff888008c4b780 RIP=ffffffff81ab64f2 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe316f6848 CR3=0000000005c8a000 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=00007febfd5a45100000560e44316790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=3ffef654b1da2dba RDX=3ffef654b1da2dba RSI=00000000347c764e RDI=ffff888016b64200 RBP=ffff888018a673e8 RSP=ffff88801d4a7d48 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff8152926b RFL=00000206 [-----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 00007fb605cbb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc159c000 CR3=000000001b617000 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=00ff0000000000000000000000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000