Extracting prog: 7m32.350062777s Minimizing prog: 2h41m36.030586635s Simplifying prog options: 14m44.226008418s Extracting C: 5m15.505141663s Simplifying C: 0s extracting reproducer from 25 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-read$auto_rng_chrdev_ops_core-ioperm$auto-mknod$auto-unlink$auto-ioctl$auto_LOOP_CTL_ADD detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) read$auto_rng_chrdev_ops_core(0xffffffffffffffff, 0x0, 0x0) ioperm$auto(0x7, 0x6, 0x2) mknod$auto(&(0x7f00000003c0)=':,\x00\xbd\x80\xd6\x002\xb37\xff\x1a\x9e99\xda\xd1v\'\xc6\xd2Fw;\x00v\xdce\xad\xf4\xdb\xc7\x946\xe4\f\x9el]L+\x06\x130V\x1b,d\x8f\xa0\xabDUdk\xac\x82\\tyQ\xd8j\a\x1a[\xdb\x96\x1f{2\x04\xc5Y\xc1@\x0e\xeeWZ\x94N\xd4\xc8q=\x9b\xd1\x7fR3\xb6`\x00\xb3\xe5|1\xba\r\x85\x89\xfe\xed\xe1\xad`\x92\xc7\x9c\xd7\xd8\x15\t&\xb7\xfc\x82\xc4\xd3J\xae\x810\x19\x14\t\xc2\xa5V\xaa\x8d\x04\xf5\xf3\xd6\xd1\xe9k\xaf\x1a\xc6u\x96\xf7\xaa\x84\x92\x995m\xf9O\xc0\x1e\xa05\xdb\xa5\xae\r\x06\xe6\xc3\xd0\xf8:\xf7\xc5u\x91\xf8\x91\xee\xd8y\xb8\xc1)\xad\x05\xeb\xe9\xab\r\x9a@\aa(\x1a\xa4\xc1\xcf\\\xf0\xc3~\xbbd\x94\x9c\x02\xd4\xfc\xd2`\xd9\x83{-\x81zY\\\xac!#\xea\xba\x86)\xe9\xbc\x82\xf6\xd2\x7f\xdb\xa1\xd5\x89|\xa0O\xfcqZ\x85@A\x90\"\x11L\xdd\xa5\x9f\xf5', 0x80e9, 0x8103) unlink$auto(&(0x7f0000000640)=':,\x00\xbd\x80\xd6\x002\xb37\xff\x1a\x9e99\xda\xd1v\'\xc6\xd2Fw;\x00v\xdce\xad\xf4\xdb\xc7\x946\xe4\f\x9el]L+\x06\x130V\x1b,d\x8f\xa0\xabDUdk\xac\x82\\tyQ\xd8j\a\x1a[\xdb\x96\x1f{2\x04\xc5Y\xc1@\x0e\xeeWZ\x94N\xd4\xc8q=\x9b\xd1\x7fR3\xb6`\x00\xb3\xe5|1\xba\r\x85\x89\xfe\xed\xe1\xad`\x92\xc7\x9c\xd7\xd8\x15\t&\xb7\xfc\x82\xc4\xd3J\xae\x810\x19\x14\t\xc2\xa5V\xaa\x8d\x04\xf5\xf3\xd6\xd1\xe9k\xaf\x1a\xc6u\x96\xf7\xaa\x84\x92\x995m\xf9O\xc0\x1e\xa05\xdb\xa5\xae\r\x06\xe6\xc3\xd0\xf8:\xf7\xc5u\x91\xf8\x91\xee\xd8y\xb8\xc1)\xad\x05\xeb\xe9\xab\r\x9a@\aa(\x1a\xa4\xc1\xcf\\\xf0\xc3~\xbbd\x94\x9c\x02\xd4\xfc\xd2`\xd9\x83{-\x81zY\\\xac!#\xea\xba\x86)\xe9\xbc\x82\xf6\xd2\x7f\xdb\xa1\xd5\x89|\xa0O\xfcqZ\x85@A\x90\"\x11L\xdd\xa5\x9f\xf5\x00') ioctl$auto_LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xfffffffffffffffd) program crashed: INFO: task hung in remove_one single: successfully extracted reproducer found reproducer with 25 syscalls minimizing guilty program testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-read$auto_rng_chrdev_ops_core-ioperm$auto-mknod$auto-unlink$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) read$auto_rng_chrdev_ops_core(0xffffffffffffffff, 0x0, 0x0) ioperm$auto(0x7, 0x6, 0x2) mknod$auto(&(0x7f00000003c0)=':,\x00\xbd\x80\xd6\x002\xb37\xff\x1a\x9e99\xda\xd1v\'\xc6\xd2Fw;\x00v\xdce\xad\xf4\xdb\xc7\x946\xe4\f\x9el]L+\x06\x130V\x1b,d\x8f\xa0\xabDUdk\xac\x82\\tyQ\xd8j\a\x1a[\xdb\x96\x1f{2\x04\xc5Y\xc1@\x0e\xeeWZ\x94N\xd4\xc8q=\x9b\xd1\x7fR3\xb6`\x00\xb3\xe5|1\xba\r\x85\x89\xfe\xed\xe1\xad`\x92\xc7\x9c\xd7\xd8\x15\t&\xb7\xfc\x82\xc4\xd3J\xae\x810\x19\x14\t\xc2\xa5V\xaa\x8d\x04\xf5\xf3\xd6\xd1\xe9k\xaf\x1a\xc6u\x96\xf7\xaa\x84\x92\x995m\xf9O\xc0\x1e\xa05\xdb\xa5\xae\r\x06\xe6\xc3\xd0\xf8:\xf7\xc5u\x91\xf8\x91\xee\xd8y\xb8\xc1)\xad\x05\xeb\xe9\xab\r\x9a@\aa(\x1a\xa4\xc1\xcf\\\xf0\xc3~\xbbd\x94\x9c\x02\xd4\xfc\xd2`\xd9\x83{-\x81zY\\\xac!#\xea\xba\x86)\xe9\xbc\x82\xf6\xd2\x7f\xdb\xa1\xd5\x89|\xa0O\xfcqZ\x85@A\x90\"\x11L\xdd\xa5\x9f\xf5', 0x80e9, 0x8103) unlink$auto(&(0x7f0000000640)=':,\x00\xbd\x80\xd6\x002\xb37\xff\x1a\x9e99\xda\xd1v\'\xc6\xd2Fw;\x00v\xdce\xad\xf4\xdb\xc7\x946\xe4\f\x9el]L+\x06\x130V\x1b,d\x8f\xa0\xabDUdk\xac\x82\\tyQ\xd8j\a\x1a[\xdb\x96\x1f{2\x04\xc5Y\xc1@\x0e\xeeWZ\x94N\xd4\xc8q=\x9b\xd1\x7fR3\xb6`\x00\xb3\xe5|1\xba\r\x85\x89\xfe\xed\xe1\xad`\x92\xc7\x9c\xd7\xd8\x15\t&\xb7\xfc\x82\xc4\xd3J\xae\x810\x19\x14\t\xc2\xa5V\xaa\x8d\x04\xf5\xf3\xd6\xd1\xe9k\xaf\x1a\xc6u\x96\xf7\xaa\x84\x92\x995m\xf9O\xc0\x1e\xa05\xdb\xa5\xae\r\x06\xe6\xc3\xd0\xf8:\xf7\xc5u\x91\xf8\x91\xee\xd8y\xb8\xc1)\xad\x05\xeb\xe9\xab\r\x9a@\aa(\x1a\xa4\xc1\xcf\\\xf0\xc3~\xbbd\x94\x9c\x02\xd4\xfc\xd2`\xd9\x83{-\x81zY\\\xac!#\xea\xba\x86)\xe9\xbc\x82\xf6\xd2\x7f\xdb\xa1\xd5\x89|\xa0O\xfcqZ\x85@A\x90\"\x11L\xdd\xa5\x9f\xf5\x00') program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-read$auto_rng_chrdev_ops_core-ioperm$auto-mknod$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) read$auto_rng_chrdev_ops_core(0xffffffffffffffff, 0x0, 0x0) ioperm$auto(0x7, 0x6, 0x2) mknod$auto(&(0x7f00000003c0)=':,\x00\xbd\x80\xd6\x002\xb37\xff\x1a\x9e99\xda\xd1v\'\xc6\xd2Fw;\x00v\xdce\xad\xf4\xdb\xc7\x946\xe4\f\x9el]L+\x06\x130V\x1b,d\x8f\xa0\xabDUdk\xac\x82\\tyQ\xd8j\a\x1a[\xdb\x96\x1f{2\x04\xc5Y\xc1@\x0e\xeeWZ\x94N\xd4\xc8q=\x9b\xd1\x7fR3\xb6`\x00\xb3\xe5|1\xba\r\x85\x89\xfe\xed\xe1\xad`\x92\xc7\x9c\xd7\xd8\x15\t&\xb7\xfc\x82\xc4\xd3J\xae\x810\x19\x14\t\xc2\xa5V\xaa\x8d\x04\xf5\xf3\xd6\xd1\xe9k\xaf\x1a\xc6u\x96\xf7\xaa\x84\x92\x995m\xf9O\xc0\x1e\xa05\xdb\xa5\xae\r\x06\xe6\xc3\xd0\xf8:\xf7\xc5u\x91\xf8\x91\xee\xd8y\xb8\xc1)\xad\x05\xeb\xe9\xab\r\x9a@\aa(\x1a\xa4\xc1\xcf\\\xf0\xc3~\xbbd\x94\x9c\x02\xd4\xfc\xd2`\xd9\x83{-\x81zY\\\xac!#\xea\xba\x86)\xe9\xbc\x82\xf6\xd2\x7f\xdb\xa1\xd5\x89|\xa0O\xfcqZ\x85@A\x90\"\x11L\xdd\xa5\x9f\xf5', 0x80e9, 0x8103) program crashed: INFO: task hung in devlink_health_report testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-read$auto_rng_chrdev_ops_core-ioperm$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) read$auto_rng_chrdev_ops_core(0xffffffffffffffff, 0x0, 0x0) ioperm$auto(0x7, 0x6, 0x2) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-read$auto_rng_chrdev_ops_core detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) read$auto_rng_chrdev_ops_core(0xffffffffffffffff, 0x0, 0x0) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-openat$auto_nsim_dev_health_break_fops_health detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) program did not crash testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) mmap$auto(0x0, 0x5, 0xfff, 0x44eb2, 0x10006, 0x300000000000) write$auto(0xffffffffffffffff, 0x0, 0x1ff) program did not crash testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_kvm_chardev_ops_kvm_main-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, 0x0, 0xc44c1, 0x0) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_proc_fail_nth_operations_base-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r2, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-faccessat$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) faccessat$auto(r1, 0x0, 0x2) r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r2, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$dir-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) openat$dir(0xffffffffffffff9c, 0x0, 0x2d2802, 0x48) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r0, 0x0, 0x20) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x12bc00, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_mon_fops_binary_mon_bin-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) openat$auto_mon_fops_binary_mon_bin(0xffffffffffffff9c, 0x0, 0x4821c0, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-madvise$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) madvise$auto(0x0, 0xd0, 0x2) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-close_range$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: lost connection to test machine testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-readv$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) readv$auto(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x7}, 0x8) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-execve$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) execve$auto(&(0x7f0000000000)=':,\x00', 0x0, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lseek$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: lseek$auto(0x3, 0x7ffffffffffffffd, 0x2) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program did not crash testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program did not crash extracting C reproducer testing compiled C program (duration=7m51.240499114s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=7m51.240499114s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one extracting C reproducer testing compiled C program (duration=7m51.240499114s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=7m51.240499114s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine reproducing took 3h9m7.136622197s repro crashed as (corrupted=false): INFO: task kworker/u8:0:12 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:0 state:D stack:25336 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x2ff/0x4e0 kernel/sched/completion.c:116 __debugfs_file_removed fs/debugfs/inode.c:775 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:782 simple_recursive_removal+0x21b/0x690 fs/libfs.c:636 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:805 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1664 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:968 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:162 [inline] ops_undo_list+0x184/0xab0 net/core/net_namespace.c:235 cleanup_net+0x408/0x890 net/core/net_namespace.c:686 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:9014 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24472 pid:9014 tgid:9014 ppid:1 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747 device_lock include/linux/device.h:884 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3843 device_unregister+0x1d/0xc0 drivers/base/core.c:3922 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:226 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x354/0x510 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x6c4/0x1150 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3b1818d41f RSP: 002b:00007ffc55f5b070 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3b1818d41f RDX: 0000000000000001 RSI: 00007ffc55f5b0c0 RDI: 0000000000000005 RBP: 00007f3b18211d05 R08: 0000000000000000 R09: 00007ffc55f5aec7 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc55f5b0c0 R14: 00007f3b18ee4620 R15: 0000000000000003 INFO: task syz.1.2972:9031 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.2972 state:D stack:27512 pid:9031 tgid:9031 ppid:5973 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x13c/0x200 fs/debugfs/file.c:398 vfs_write+0x29d/0x1150 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f48cf78e969 RSP: 002b:00007ffd72de9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f48cf9b5fa0 RCX: 00007f48cf78e969 RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f48cf810ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f48cf9b5fa0 R14: 00007f48cf9b5fa0 R15: 0000000000000003 INFO: task syz.0.2997:9057 blocked for more than 144 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.2997 state:D stack:28216 pid:9057 tgid:9057 ppid:5972 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1526 inode_lock_shared include/linux/fs.h:882 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f64fdf8e969 RSP: 002b:00007fff4c44b2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f64fe1b5fa0 RCX: 00007f64fdf8e969 RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f64fe010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f64fe1b5fa0 R14: 00007f64fe1b5fa0 R15: 0000000000000004 INFO: task syz.3.2998:9059 blocked for more than 144 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.2998 state:D stack:28216 pid:9059 tgid:9059 ppid:8425 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1526 inode_lock_shared include/linux/fs.h:882 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58ae98e969 RSP: 002b:00007ffc8d6b8fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f58aebb5fa0 RCX: 00007f58ae98e969 RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f58aea10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f58aebb5fa0 R14: 00007f58aebb5fa0 R15: 0000000000000004 Showing all locks held in the system: 6 locks held by kworker/u8:0/12: #0: ffff88801c2fe148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213 #1: ffffc90000117d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214 #2: ffffffff90132b50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x890 net/core/net_namespace.c:662 #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline] #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline] #5: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: simple_recursive_removal+0x2c5/0x690 fs/libfs.c:628 1 lock held by khungtaskd/31: #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6770 2 locks held by getty/5598: #0: ffff88814c3ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/9014: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff8880622a4088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 #4: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline] #4: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3843 2 locks held by syz.1.2972/9031: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.0.2997/9057: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:882 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 2 locks held by syz.3.2998/9059: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:882 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 4 locks held by syz-executor/9072: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888034193488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9082: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88802e414c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9083: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888022ef3488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9107: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888074c9ac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9118: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888075b68088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9130: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888076da9088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9132: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807d6ab088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9154: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807c100488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9165: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029f0a088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9177: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029177088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9179: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888023b09888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 2 locks held by dhcpcd/9202: #0: ffff888060b1c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff888060b1c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3252 #1: ffffffff8e3d01b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x284/0x3c0 kernel/rcu/tree_exp.h:304 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline] watchdog+0xf70/0x12c0 kernel/hung_task.c:470 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9203 Comm: dhcpcd Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__tlb_batch_free_encoded_pages+0x160/0x290 mm/mmu_gather.c:142 Code: 74 08 3c 03 0f 8e 00 01 00 00 48 8b 04 24 31 ff 44 8b 60 08 44 89 e6 e8 5e 5f b0 ff 45 85 e4 0f 85 27 ff ff ff 48 83 c4 20 5b <5d> 41 5c 41 5d 41 5e 41 5f e9 02 64 b0 ff e8 fd 63 b0 ff 44 89 e6 RSP: 0018:ffffc9000d2a7910 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffffc9000d2a79f8 RCX: ffffffff820b19a2 RDX: ffff88802e0e5a00 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff88805e0050b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88805e005010 R14: dffffc0000000000 R15: 000000000000000c FS: 00007f6c8c1fa740(0000) GS:ffff888124973000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556688326758 CR3: 0000000025c50000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu mm/mmu_gather.c:404 [inline] tlb_finish_mmu+0x168/0x7c0 mm/mmu_gather.c:496 vms_clear_ptes+0x55e/0x770 mm/vma.c:1231 vms_complete_munmap_vmas+0x1ca/0x970 mm/vma.c:1273 do_vmi_align_munmap+0x43b/0x7d0 mm/vma.c:1532 do_vmi_munmap+0x204/0x3e0 mm/vma.c:1580 __vm_munmap+0x19a/0x390 mm/vma.c:3101 __do_sys_munmap mm/mmap.c:1084 [inline] __se_sys_munmap mm/mmap.c:1081 [inline] __x64_sys_munmap+0x59/0x80 mm/mmap.c:1081 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c8c4092e7 Code: 00 00 00 b8 0a 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d a9 3f 01 00 f7 d8 89 01 48 83 RSP: 002b:00007ffc63b3cf78 EFLAGS: 00000202 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 0000556688327a10 RCX: 00007f6c8c4092e7 RDX: 0000000000000001 RSI: 0000000000029910 RDI: 00007f6c8c1cb000 RBP: 00007ffc63b3d080 R08: 00000000000004f0 R09: 0000000000000002 R10: 00007ffc63b3ceb0 R11: 0000000000000202 R12: 00007ffc63b3cfb8 R13: 00007f6c8c41c000 R14: 0000556688327a10 R15: 0000000000000000 final repro crashed as (corrupted=false): INFO: task kworker/u8:0:12 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:0 state:D stack:25336 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x2ff/0x4e0 kernel/sched/completion.c:116 __debugfs_file_removed fs/debugfs/inode.c:775 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:782 simple_recursive_removal+0x21b/0x690 fs/libfs.c:636 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:805 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1664 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:968 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:162 [inline] ops_undo_list+0x184/0xab0 net/core/net_namespace.c:235 cleanup_net+0x408/0x890 net/core/net_namespace.c:686 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:9014 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24472 pid:9014 tgid:9014 ppid:1 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747 device_lock include/linux/device.h:884 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3843 device_unregister+0x1d/0xc0 drivers/base/core.c:3922 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:226 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x354/0x510 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x6c4/0x1150 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3b1818d41f RSP: 002b:00007ffc55f5b070 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3b1818d41f RDX: 0000000000000001 RSI: 00007ffc55f5b0c0 RDI: 0000000000000005 RBP: 00007f3b18211d05 R08: 0000000000000000 R09: 00007ffc55f5aec7 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc55f5b0c0 R14: 00007f3b18ee4620 R15: 0000000000000003 INFO: task syz.1.2972:9031 blocked for more than 143 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.2972 state:D stack:27512 pid:9031 tgid:9031 ppid:5973 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x13c/0x200 fs/debugfs/file.c:398 vfs_write+0x29d/0x1150 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f48cf78e969 RSP: 002b:00007ffd72de9508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f48cf9b5fa0 RCX: 00007f48cf78e969 RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f48cf810ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f48cf9b5fa0 R14: 00007f48cf9b5fa0 R15: 0000000000000003 INFO: task syz.0.2997:9057 blocked for more than 144 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.2997 state:D stack:28216 pid:9057 tgid:9057 ppid:5972 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1526 inode_lock_shared include/linux/fs.h:882 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f64fdf8e969 RSP: 002b:00007fff4c44b2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f64fe1b5fa0 RCX: 00007f64fdf8e969 RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f64fe010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f64fe1b5fa0 R14: 00007f64fe1b5fa0 R15: 0000000000000004 INFO: task syz.3.2998:9059 blocked for more than 144 seconds. Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.2998 state:D stack:28216 pid:9059 tgid:9059 ppid:8425 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 __schedule_loop kernel/sched/core.c:6859 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6874 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6931 rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1526 inode_lock_shared include/linux/fs.h:882 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1463 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58ae98e969 RSP: 002b:00007ffc8d6b8fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f58aebb5fa0 RCX: 00007f58ae98e969 RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007f58aea10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f58aebb5fa0 R14: 00007f58aebb5fa0 R15: 0000000000000004 Showing all locks held in the system: 6 locks held by kworker/u8:0/12: #0: ffff88801c2fe148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213 #1: ffffc90000117d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214 #2: ffffffff90132b50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x890 net/core/net_namespace.c:662 #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline] #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline] #5: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: simple_recursive_removal+0x2c5/0x690 fs/libfs.c:628 1 lock held by khungtaskd/31: #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e3c4c00 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6770 2 locks held by getty/5598: #0: ffff88814c3ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/9014: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff8880622a4088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 #4: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline] #4: ffff8880343240e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3843 2 locks held by syz.1.2972/9031: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029e60250 (&devlink->lock_key#4){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.0.2997/9057: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:882 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 2 locks held by syz.3.2998/9059: #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801feb2428 (sb_writers#9){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:882 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88804d2724f0 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 4 locks held by syz-executor/9072: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888034193488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9082: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88802e414c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9083: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888022ef3488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9107: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888074c9ac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9118: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888075b68088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9130: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888076da9088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9132: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807d6ab088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9154: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807c100488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9165: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029f0a088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9177: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888029177088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9179: #0: ffff888024f5c428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888023b09888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325 #2: ffff888028d04c38 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326 #3: ffffffff8f6e8048 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216 2 locks held by dhcpcd/9202: #0: ffff888060b1c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff888060b1c258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3252 #1: ffffffff8e3d01b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x284/0x3c0 kernel/rcu/tree_exp.h:304 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline] watchdog+0xf70/0x12c0 kernel/hung_task.c:470 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9203 Comm: dhcpcd Not tainted 6.15.0-syzkaller-11061-g7f9039c524a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__tlb_batch_free_encoded_pages+0x160/0x290 mm/mmu_gather.c:142 Code: 74 08 3c 03 0f 8e 00 01 00 00 48 8b 04 24 31 ff 44 8b 60 08 44 89 e6 e8 5e 5f b0 ff 45 85 e4 0f 85 27 ff ff ff 48 83 c4 20 5b <5d> 41 5c 41 5d 41 5e 41 5f e9 02 64 b0 ff e8 fd 63 b0 ff 44 89 e6 RSP: 0018:ffffc9000d2a7910 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffffc9000d2a79f8 RCX: ffffffff820b19a2 RDX: ffff88802e0e5a00 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff88805e0050b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88805e005010 R14: dffffc0000000000 R15: 000000000000000c FS: 00007f6c8c1fa740(0000) GS:ffff888124973000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556688326758 CR3: 0000000025c50000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu mm/mmu_gather.c:404 [inline] tlb_finish_mmu+0x168/0x7c0 mm/mmu_gather.c:496 vms_clear_ptes+0x55e/0x770 mm/vma.c:1231 vms_complete_munmap_vmas+0x1ca/0x970 mm/vma.c:1273 do_vmi_align_munmap+0x43b/0x7d0 mm/vma.c:1532 do_vmi_munmap+0x204/0x3e0 mm/vma.c:1580 __vm_munmap+0x19a/0x390 mm/vma.c:3101 __do_sys_munmap mm/mmap.c:1084 [inline] __se_sys_munmap mm/mmap.c:1081 [inline] __x64_sys_munmap+0x59/0x80 mm/mmap.c:1081 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c8c4092e7 Code: 00 00 00 b8 0a 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d a9 3f 01 00 f7 d8 89 01 48 83 RSP: 002b:00007ffc63b3cf78 EFLAGS: 00000202 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 0000556688327a10 RCX: 00007f6c8c4092e7 RDX: 0000000000000001 RSI: 0000000000029910 RDI: 00007f6c8c1cb000 RBP: 00007ffc63b3d080 R08: 00000000000004f0 R09: 0000000000000002 R10: 00007ffc63b3ceb0 R11: 0000000000000202 R12: 00007ffc63b3cfb8 R13: 00007f6c8c41c000 R14: 0000556688327a10 R15: 0000000000000000