Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.982628] ------------[ cut here ]------------ [ 45.983519] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.985536] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 45.986987] Modules linked in: [ 45.987610] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.989571] Tainted: [W]=WARN [ 45.990163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.991737] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.992700] 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 [ 45.995994] RSP: 0018:ffff888019fd7bc0 EFLAGS: 00010286 [ 45.997020] RAX: 0000000000000000 RBX: ffffed10033faf78 RCX: ffffffff813a4050 [ 45.998360] RDX: ffff88801b510000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.999704] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033faf2f [ 46.001049] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.002411] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019fd7df8 [ 46.003746] FS: 00007fc3f7866900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.005247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.006372] CR2: 00007fc3f7d58580 CR3: 000000000e6ef000 CR4: 0000000000350ef0 [ 46.007717] Call Trace: [ 46.008200] [ 46.008680] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.009627] ? __create_object+0x59/0x80 [ 46.010466] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.011482] __vmalloc_noprof+0x59/0x60 [ 46.012230] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.013153] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.014153] bpf_prog_alloc+0x39/0x200 [ 46.014936] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.015917] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.016869] do_seccomp+0x349/0x25e0 [ 46.017629] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.018586] ? __pfx_do_seccomp+0x10/0x10 [ 46.019421] ? find_held_lock+0x2b/0x80 [ 46.020163] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.021181] ? static_key_count+0x60/0x80 [ 46.022013] prctl_set_seccomp+0x4e/0x70 [ 46.022857] __do_sys_prctl+0xe6c/0x1d70 [ 46.023693] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.024600] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.025623] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.026657] ? irqentry_exit+0xf3/0x650 [ 46.027468] do_syscall_64+0xbf/0x430 [ 46.028204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.029201] RIP: 0033:0x7fc3f7d585cd [ 46.029938] 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 [ 46.033461] RSP: 002b:00007fffc4fba510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.034939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3f7d585cd [ 46.036307] RDX: 0000561a1289de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.037710] RBP: 00007fffc4fba570 R08: 0000000000000000 R09: 00007fffc4fb9c10 [ 46.039102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a1f5392b0 [ 46.040470] R13: 00007fffc4fba9a0 R14: 0000561a1f53bd20 R15: 0000561a1f54d8d0 [ 46.041863] [ 46.042365] irq event stamp: 1781 [ 46.043008] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 46.044632] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 46.046266] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 46.047932] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 46.049565] ---[ end trace 0000000000000000 ]--- [ 49.180659] ------------[ cut here ]------------ [ 49.181560] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.183561] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 49.184976] Modules linked in: [ 49.185595] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.187545] Tainted: [W]=WARN [ 49.188086] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.189534] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.190507] 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 [ 49.193649] RSP: 0018:ffff888016edfbc0 EFLAGS: 00010286 [ 49.194624] RAX: 0000000000000000 RBX: ffffed1002ddbf78 RCX: ffffffff813a4050 [ 49.195895] RDX: ffff888016521bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.197151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddbf2f [ 49.198424] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.199688] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016edfdf8 [ 49.200952] FS: 00007f28be986900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.202379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.203419] CR2: 00007f28bee78580 CR3: 000000001f8ce000 CR4: 0000000000350ef0 [ 49.204690] Call Trace: [ 49.205152] [ 49.205606] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.206515] ? __create_object+0x59/0x80 [ 49.207244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.208190] __vmalloc_noprof+0x59/0x60 [ 49.208944] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.209796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.210729] bpf_prog_alloc+0x39/0x200 [ 49.211449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.212355] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.213206] do_seccomp+0x349/0x25e0 [ 49.213914] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.214821] ? __pfx_do_seccomp+0x10/0x10 [ 49.215592] ? find_held_lock+0x2b/0x80 [ 49.216299] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.217248] ? static_key_count+0x60/0x80 [ 49.218032] prctl_set_seccomp+0x4e/0x70 [ 49.218814] __do_sys_prctl+0xe6c/0x1d70 [ 49.219579] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.220419] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.221417] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.222375] ? irqentry_exit+0xf3/0x650 [ 49.223079] do_syscall_64+0xbf/0x430 [ 49.223816] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.224733] RIP: 0033:0x7f28bee785cd [ 49.225416] 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 [ 49.228521] RSP: 002b:00007ffe66ed2aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.229847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28bee785cd [ 49.231120] RDX: 000056379d197e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.232384] RBP: 00007ffe66ed2b00 R08: 0000000000000000 R09: 00007ffe66ed21a0 [ 49.233635] R10: 0000000000000000 R11: 0000000000000246 R12: 00005637c2df6240 [ 49.234922] R13: 00007ffe66ed2f30 R14: 00005637c2df5bf0 R15: 00005637c2e0a4d0 [ 49.236201] [ 49.236648] irq event stamp: 1735 [ 49.237251] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 49.238753] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.240256] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 49.241775] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 49.243268] ---[ end trace 0000000000000000 ]--- [ 50.031589] ------------[ cut here ]------------ [ 50.032478] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.034517] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 50.035946] Modules linked in: [ 50.036827] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.038879] Tainted: [W]=WARN [ 50.039471] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.040930] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.041846] 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 [ 50.045025] RSP: 0018:ffff8880171ffbc0 EFLAGS: 00010286 [ 50.045993] RAX: 0000000000000000 RBX: ffffed1002e3ff78 RCX: ffffffff813a4050 [ 50.047290] RDX: ffff888016db0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.048594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3ff2f [ 50.049872] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.051165] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171ffdf8 [ 50.052447] FS: 00007fac04657900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.053887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.054941] CR2: 00007ffd9eb7eef8 CR3: 000000001f33b000 CR4: 0000000000350ef0 [ 50.056213] Call Trace: [ 50.056718] [ 50.057131] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.058035] ? __create_object+0x59/0x80 [ 50.058834] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.059831] __vmalloc_noprof+0x59/0x60 [ 50.060596] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.061470] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.062412] bpf_prog_alloc+0x39/0x200 [ 50.063101] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.064032] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.064925] do_seccomp+0x349/0x25e0 [ 50.065654] ? find_held_lock+0x2b/0x80 [ 50.066438] ? do_prlimit+0x310/0x610 [ 50.067132] ? __pfx_do_seccomp+0x10/0x10 [ 50.067914] ? do_raw_spin_unlock+0x53/0x220 [ 50.068740] ? _raw_spin_unlock+0x1e/0x40 [ 50.069523] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.070496] ? static_key_count+0x60/0x80 [ 50.071239] prctl_set_seccomp+0x4e/0x70 [ 50.072013] __do_sys_prctl+0xe6c/0x1d70 [ 50.072794] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.073642] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.074603] ? irqentry_exit+0xf3/0x650 [ 50.075354] do_syscall_64+0xbf/0x430 [ 50.076046] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.076995] RIP: 0033:0x7fac04b495cd [ 50.077700] 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 [ 50.080855] RSP: 002b:00007ffd9eb7c390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.082224] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac04b495cd [ 50.083499] RDX: 00005582d9bf9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.084766] RBP: 00007ffd9eb7c3f0 R08: 0000000000000000 R09: 00007ffd9eb7ba90 [ 50.086026] R10: 0000000000000000 R11: 0000000000000246 R12: 000055830e78d240 [ 50.087338] R13: 00007ffd9eb7c820 R14: 000055830e78cbf0 R15: 000055830e7a14d0 [ 50.088633] [ 50.089047] irq event stamp: 1847 [ 50.089685] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 50.091211] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 50.092732] softirqs last enabled at (1836): [] handle_softirqs+0x50c/0x770 [ 50.094273] softirqs last disabled at (1831): [] __irq_exit_rcu+0xc4/0x100 [ 50.095792] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27937' (ECDSA) to the list of known hosts. 2025/11/18 02:06:19 fuzzer started 2025/11/18 02:06:20 dialing manager at localhost:37895 2025/11/18 02:06:20 checking machine... 2025/11/18 02:06:20 checking revisions... [ 51.012418] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:06:20 testing simple program... [ 51.105572] cgroup: Unknown subsys name 'net' [ 51.168250] cgroup: Unknown subsys name 'cpuset' [ 51.185023] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:06:19 Registers: info registers vcpu 0 RAX=000000008b4cbd28 RBX=00000000f718b6c1 RCX=000000005f4176a2 RDX=000000000000000b RSI=ffff8880159bfb3c RDI=0000000000000001 RBP=0000000000000001 RSP=ffff8880159bfa80 R8 =000000002168d136 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffff8880159bfae8 R15=000000000000000b RIP=ffffffff8264241a RFL=00000283 [--S---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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4019633900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffca452e4d8 CR3=000000000e972000 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=ffff000000000000ff00000000000000 XMM02=73732f6563696c732e6d65747379732f XMM03=00656369767265732e6873732f656369 XMM04=03f4ee87fc3b822b00000000000ae988 XMM05=f2f49ab69572fec400000000003213c0 XMM06=0394861f14684e59000000000031fee8 XMM07=00000000000000000000000000000000 XMM08=3d454e494c444d435f5443454a424f00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888014491bc0 RCX=0000000000000000 RDX=0000000085f06401 RSI=0000000000000000 RDI=ffffffff85f06420 RBP=ffff888014492618 RSP=ffff8880165bfa80 R8 =0000000000000000 R9 =000000000000009c R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] 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 00007f28be986900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005637c2df7954 CR3=000000000e5af000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000